https://wiki.onqpr.com/pa/index.php?action=history&feed=atom&title=In-memory_Models_ManagementIn-memory Models Management - Revision history2026-04-15T01:12:49ZRevision history for this page on the wikiMediaWiki 1.39.1https://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=27925&oldid=prevOllvihe: /* Objects stored in memory */2026-03-19T09:07:27Z<p><span dir="auto"><span class="autocomment">Objects stored in memory</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:07, 19 March 2026</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters (filter&nbsp;eventlogs)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters (filter&nbsp;eventlogs)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters contain all filtered data in model, which includes similar structures than the models.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters contain all filtered data in model, which includes similar structures than the models.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>||Primarily defined by the ''Drop Unused Filters After'' setting in the Model settings dialog. If this not set for a model, the server level [[<del style="font-weight: bold; text-decoration: none;">Installing_QPR_ProcessAnalyzer_Server_on_Windows</del>#Server_settings_file_(appsettings.json)|DropUnusedFiltersAfter]] setting is used. If the server setting is not defined, a default value of '''1 hour''' is used.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>||Primarily defined by the ''Drop Unused Filters After'' setting in the Model settings dialog. If this not set for a model, the server level [[<ins style="font-weight: bold; text-decoration: none;">Server_settings_in_appsettings.json</ins>#Server_settings_file_(appsettings.json)|DropUnusedFiltersAfter]] setting is used. If the server setting is not defined, a default value of '''1 hour''' is used.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When the is a memory shortage in the server, they may be dropped from the memory earlier to free memory.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When the is a memory shortage in the server, they may be dropped from the memory earlier to free memory.</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=27924&oldid=prevOllvihe: /* Objects stored in memory */2026-03-19T09:06:54Z<p><span dir="auto"><span class="autocomment">Objects stored in memory</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:06, 19 March 2026</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters (filter&nbsp;eventlogs)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters (filter&nbsp;eventlogs)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters contain all filtered data in model, which includes similar structures than the models.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||Filters contain all filtered data in model, which includes similar structures than the models.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>||Primarily defined by the ''Drop Unused Filters After'' setting in the Model settings dialog. If this not set for a model, the server level [[<del style="font-weight: bold; text-decoration: none;">Installing_QPR_ProcessAnalyzer_Server</del>#Server_settings_file_(appsettings.json)|DropUnusedFiltersAfter]] setting is used. If the server setting is not defined, a default value of '''1 hour''' is used.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>||Primarily defined by the ''Drop Unused Filters After'' setting in the Model settings dialog. If this not set for a model, the server level [[<ins style="font-weight: bold; text-decoration: none;">Installing_QPR_ProcessAnalyzer_Server_on_Windows</ins>#Server_settings_file_(appsettings.json)|DropUnusedFiltersAfter]] setting is used. If the server setting is not defined, a default value of '''1 hour''' is used.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When the is a memory shortage in the server, they may be dropped from the memory earlier to free memory.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>When the is a memory shortage in the server, they may be dropped from the memory earlier to free memory.</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25185&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:26:25Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:26, 26 September 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l32">Line 32:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the ''Models'' ''[[Navigation_Menu#System_Reports|System Reports]]'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the ''Models'' ''[[Navigation_Menu#System_Reports|System Reports]]'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Adjust the ''Drop Unused Filters After'' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog) which determines the duration after which unused filter eventlogs are dropped from the memory. Lower values can be used when there isn't much memory available in the server. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Adjust the ''Drop Unused Filters After'' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog) which determines the duration after which unused filter eventlogs are dropped from the memory. Lower values can be used when there isn't much memory available in the server. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25184&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:25:54Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:25, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for the QPR ProcessAnalyzer server memory <del style="font-weight: bold; text-decoration: none;">configuration</del>:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for <ins style="font-weight: bold; text-decoration: none;">managing and optimizing </ins>the QPR ProcessAnalyzer server memory <ins style="font-weight: bold; text-decoration: none;">usage</ins>:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the ''Models'' ''[[Navigation_Menu#System_Reports|System Reports]]'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the ''Models'' ''[[Navigation_Menu#System_Reports|System Reports]]'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25183&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:22:31Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:22, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Adjust the <del style="font-weight: bold; text-decoration: none;">'</del>''Drop Unused Filters After<del style="font-weight: bold; text-decoration: none;">'</del>'' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog) which determines the duration after which unused <del style="font-weight: bold; text-decoration: none;">filters </del>are dropped from the memory. Lower values can be used when there isn't much memory available in the server. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Adjust the ''Drop Unused Filters After'' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog) which determines the duration after which unused <ins style="font-weight: bold; text-decoration: none;">filter eventlogs </ins>are dropped from the memory. Lower values can be used when there isn't much memory available in the server. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25182&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:13:33Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:13, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for the QPR ProcessAnalyzer server memory configuration:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for the QPR ProcessAnalyzer server memory configuration:</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the ''[[Navigation_Menu#System_Reports|System Reports]]<del style="font-weight: bold; text-decoration: none;">'' | ''Models</del>'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total ''Estimated memory usage'' as displayed in the <ins style="font-weight: bold; text-decoration: none;">''Models'' </ins>''[[Navigation_Menu#System_Reports|System Reports]]'' is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25181&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:12:58Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:12, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Model content can be optimized from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Adjust the '''Drop Unused Filters After''' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog)<del style="font-weight: bold; text-decoration: none;">. The setting </del>determines the duration after which unused filters are dropped from the memory. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Adjust the '''Drop Unused Filters After''' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog) <ins style="font-weight: bold; text-decoration: none;">which </ins>determines the duration after which unused filters are dropped from the memory<ins style="font-weight: bold; text-decoration: none;">. Lower values can be used when there isn't much memory available in the server</ins>. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25180&oldid=prevOllvihe: /* Best practices for memory management */2024-09-26T08:10:15Z<p><span dir="auto"><span class="autocomment">Best practices for memory management</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:10, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Best practices for memory management ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for the QPR ProcessAnalyzer server memory configuration:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Follow these best practices for the QPR ProcessAnalyzer server memory configuration:</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total Estimated memory usage as displayed in the [[Navigation_Menu#System_Reports|System Reports]] | Models is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Make sure that the total <ins style="font-weight: bold; text-decoration: none;">''</ins>Estimated memory usage<ins style="font-weight: bold; text-decoration: none;">'' </ins>as displayed in the <ins style="font-weight: bold; text-decoration: none;">''</ins>[[Navigation_Menu#System_Reports|System Reports]]<ins style="font-weight: bold; text-decoration: none;">'' </ins>| <ins style="font-weight: bold; text-decoration: none;">''</ins>Models<ins style="font-weight: bold; text-decoration: none;">'' </ins>is less than the amount of memory available for the QPR ProcessAnalyzer server. The Estimated memory usage takes into account the estimated memory consumption needed for simultaneous user sessions, cached filters, calculation results, working memory and other on-time required computing resources. The actual memory consumption for each model immediately after it has been loaded into the memory is lower than the Estimated memory usage. Please make sure there is enough memory available after the models have been loaded so that the simultaneous usage does not result in running out of memory.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">Optimize the model </del>content from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* <ins style="font-weight: bold; text-decoration: none;">Model </ins>content <ins style="font-weight: bold; text-decoration: none;">can be optimized </ins>from the memory usage viewpoint. Usually, string type of data consumes most of the memory, and numbers, dates and booleans don't need that much memory. For strings, especially long texts and great number of unique texts consume lot of memory<ins style="font-weight: bold; text-decoration: none;">. Consider whether the information can be expressed using numbers, dates and booleans, and prefer them over strings</ins>.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Disable extending memory into disk (the page file), because it will slow down the system remarkably. Instead, make sure that there is enough memory in the system for workloads for QPR ProcessAnalyzer. (more information: https://docs.microsoft.com/en-us/windows/client-management/introduction-page-file)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">Configure </del>the '''Drop Unused Filters After''' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog). The setting determines the duration after which unused filters are dropped from the memory. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated<del style="font-weight: bold; text-decoration: none;">. Note that the allowed value for this setting is greater than zero seconds</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* <ins style="font-weight: bold; text-decoration: none;">Adjust </ins>the '''Drop Unused Filters After''' setting available for models (in the [[QPR_ProcessAnalyzer_Project_Workspace#Editing_Model_Settings|Model properties]] dialog). The setting determines the duration after which unused filters are dropped from the memory. The Drop Unused Filters After setting is defined in format ''HH:mm:ss'' or ''d.HH:mm:ss'', for example 01:00:00 (one hour), 00:30:00 (30 minutes) or 1.00:00:00 (24 hours). If this setting is not defined, the server level [[Installing_QPR_ProcessAnalyzer_Server#Server_settings_file_(appsettings.json)|default setting]] is used. When any calculation is performed using a filter, the filter's last used time is updated.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Objects stored in memory==</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25179&oldid=prevOllvihe: /* Memory usage monitoring */2024-09-26T07:54:57Z<p><span dir="auto"><span class="autocomment">Memory usage monitoring</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:54, 26 September 2024</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage monitoring ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage monitoring ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>QPR ProcessAnalyzer memory usage can be monitored in following sources:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>QPR ProcessAnalyzer memory usage can be monitored in following sources:</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">Server </del>Windows Task Manager shows how much memory is reserved to QPR ProcessAnalyzer (i.e., <del style="font-weight: bold; text-decoration: none;">the </del>IIS worker process, w3wp.exe).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Windows Task Manager shows how much memory is reserved to QPR ProcessAnalyzer <ins style="font-weight: bold; text-decoration: none;">server </ins>(i.e., IIS worker process, w3wp.exe).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Navigation_Menu#User_Settings|User Settings]] dialog in the QPR ProcessAnalyzer UI shows how much memory is used by QPR ProcessAnalyzer (click '''details''' and see '''QPR ProcessAnalyzer memory usage''').</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Navigation_Menu#User_Settings|User Settings]] dialog in the QPR ProcessAnalyzer UI shows how much memory is used by QPR ProcessAnalyzer (click '''details''' and see '''QPR ProcessAnalyzer memory usage''').</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Based on the memory usage, it may be difficult to identify how much there is unused memory in the server because some of the memory may <del style="font-weight: bold; text-decoration: none;">just </del>be reserved to the w3wp.exe process but it's not <del style="font-weight: bold; text-decoration: none;">currently </del>in use <del style="font-weight: bold; text-decoration: none;">by eventlogs</del>. To see how much memory is actually in use, the administrator can run <del style="font-weight: bold; text-decoration: none;">a manual </del>''garbage collection'' <del style="font-weight: bold; text-decoration: none;">in the server</del>. It can be done in the [[Navigation_Menu#Expression_Designer|Expression Designer]] by running the following commands:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Based on the memory usage, it may be difficult to identify how much there is unused memory in the server because some of the memory may be reserved to the w3wp.exe process but it's not in use. To see how much memory is actually in use, the administrator can run <ins style="font-weight: bold; text-decoration: none;">the </ins>''garbage collection'' <ins style="font-weight: bold; text-decoration: none;">manually</ins>. It can be done in the [[Navigation_Menu#Expression_Designer|Expression Designer]] by running the following commands:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GarbageCollection();</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GarbageCollection();</div></td></tr>
</table>Ollvihehttps://wiki.onqpr.com/pa/index.php?title=In-memory_Models_Management&diff=25178&oldid=prevOllvihe at 07:53, 26 September 20242024-09-26T07:53:09Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:53, 26 September 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">In</del>-memory models <del style="font-weight: bold; text-decoration: none;">management is about determining, </del>how many models can be loaded in-memory and how long filter eventlogs and calculation result caches are kept in the memory<del style="font-weight: bold; text-decoration: none;">, which balance between performance and memory consumption</del>. Note that this article only concerns the in-memory models in QPR ProcessAnalyzer.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Managing in</ins>-memory models <ins style="font-weight: bold; text-decoration: none;">means </ins>how many models can be loaded in-memory <ins style="font-weight: bold; text-decoration: none;">at the same time </ins>and how long filter eventlogs and calculation result caches are kept in the memory. Note that this article only concerns the in-memory models in QPR ProcessAnalyzer.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage behavior==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage behavior==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>QPR ProcessAnalyzer uses the automatically running garbage collection mechanism which releases unused objects from the memory when the system needs more resources to store new objects. When models are loaded into memory, QPR ProcessAnalyzer (IIS worker process) memory consumption increases. When models are dropped, memory resources are released. The memory consumption doesn't decrease instantly, and this is because the garbage collection might not run immediately if there is no need for more memory resources. When there is lack of memory, the reserved memory is freed by the garbage collection if it's not used by QPR ProcessAnalyzer. When models are loaded into memory after dropping models, the memory consumption might not increase because the reserved memory (previously used by the dropped models) can be used by the newly loaded models.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>QPR ProcessAnalyzer uses the automatically running garbage collection mechanism which releases unused objects from the memory when the system needs more resources to store new objects. When models are loaded into memory, QPR ProcessAnalyzer (IIS worker process) memory consumption increases. When models are dropped, memory resources are released. The memory consumption doesn't decrease instantly, and this is because the garbage collection might not run immediately if there is no need for more memory resources. When there is lack of memory, the reserved memory is freed by the garbage collection if it's not <ins style="font-weight: bold; text-decoration: none;">currently </ins>used by QPR ProcessAnalyzer. When models are loaded into memory after dropping models, the memory consumption might not increase because the reserved memory (previously used by the dropped models) can be used by the newly loaded models.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>When using <del style="font-weight: bold; text-decoration: none;">a model </del>(e.g., opening dashboards), the memory consumption further increases because filter eventlogs are cached to the memory. If there is lack of memory, older filter eventlogs are dropped from the memory to get more space. This on the other hand decreases performance because if the filter eventlog is needed again, it needs to be recalculated.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>When using <ins style="font-weight: bold; text-decoration: none;">models </ins>(e.g., opening dashboards), the memory consumption further increases because filter eventlogs are cached to the memory. If there is lack of memory, older filter eventlogs are dropped from the memory to get more space. This on the other hand decreases performance because if the filter eventlog is needed again, it needs to be recalculated.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Loaded models are never dropped from the automatically but only when explicitly requested by a user. This is because loading a model from the database usually <del style="font-weight: bold; text-decoration: none;">quite slow </del>operation. When trying to load more models than there is available memory in the server, an out of memory error situation may occur. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Loaded models are never dropped from the automatically but only when explicitly requested by a user. This is because loading a model from the database usually <ins style="font-weight: bold; text-decoration: none;">time consuming </ins>operation. When trying to load more models than there is available memory in the server, an out of memory error situation may occur <ins style="font-weight: bold; text-decoration: none;">and the QPR ProcessAnalyzer server may restart itself</ins>. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">The rest of the memory </del>is available for other cached objects, and they may be dropped if memory is becoming full. The more there is memory available, the better the performance because <del style="font-weight: bold; text-decoration: none;">models </del>and calculation results are more often available in the memory cache (i.e., higher hit rate). QPR ProcessAnalyzer is thus flexible in terms of the memory usage, as it will use more memory if there is memory available, but it can also work with less memory (although with decreased performance). <del style="font-weight: bold; text-decoration: none;">If the QPR ProcessAnalyzer server doesn't have enough memory to store more objects, already stored filters </del>and calculation results are dropped <del style="font-weight: bold; text-decoration: none;">from the memory </del>starting from the one having the longest time since the last usage. Thus, when there is a memory shortage, objects may be dropped earlier than their settings define.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Memory not used by model eventlogs, </ins>is available for other cached objects, and they may be dropped <ins style="font-weight: bold; text-decoration: none;">automatically </ins>if memory is becoming full. The more there is memory available, the better the performance because <ins style="font-weight: bold; text-decoration: none;">requested filters </ins>and calculation results are more often available in the memory cache (i.e., higher hit rate). QPR ProcessAnalyzer is thus flexible in terms of the memory usage, as it will use more memory if there is memory available, but it can also work with less memory (although with decreased performance). <ins style="font-weight: bold; text-decoration: none;">Filters </ins>and calculation results are dropped starting from the one having the longest time since the last usage. Thus, when there is a memory shortage, objects may be dropped earlier than their <ins style="font-weight: bold; text-decoration: none;">default preservation </ins>settings define.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage monitoring ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Memory usage monitoring ==</div></td></tr>
</table>Ollvihe