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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-82764] Make &quot;planningTimeMicros&quot; incorporate time from the multi-planner trial period</title>
                <link>https://jira.mongodb.org/browse/SERVER-82764</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;tt&gt;planningTimeMicros&lt;/tt&gt; metric indicates the time spent by the system in the query optimization phase, and appears in the logs and system.profile output. I believe it was first added in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70646&quot; title=&quot;Compute and add query planning time to PlanSummaryStats&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70646&quot;&gt;&lt;del&gt;SERVER-70646&lt;/del&gt;&lt;/a&gt; for version 6.2.&lt;/p&gt;

&lt;p&gt;The current implementation incorporates the time spent enumerating and constructing plan alternatives, but it excludes the time spent in the multi-planner. This multi-planning phase can be quite expensive, since it is where we partially execute various candidate plans in order to gather runtime statistics. Furthermore, we&apos;ve seen some reports of performance problems recently related to the SBE multi-planning implementation.&lt;/p&gt;

&lt;p&gt;In order to make &quot;planningTimeMicros&quot; more useful for detecting performance problems related to multi-planning, we should change the implementation so that this metric incorporates time spent multi-planning. Preferably we would make sure it works this way for both the classic engine and SBE. An additional benefit of this change is that it will make the metric more meaningful to compare apples-to-apples against Bonsai optimization time, since in both cases we will be measuring the total time that the system takes to determine the optimal physical query plan.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2490132">SERVER-82764</key>
            <summary>Make &quot;planningTimeMicros&quot; incorporate time from the multi-planner trial period</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="misha.tyulenev@mongodb.com">Misha Tyulenev</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Fri, 3 Nov 2023 13:32:23 +0000</created>
                <updated>Tue, 30 Jan 2024 18:52:52 +0000</updated>
                            <resolved>Tue, 30 Jan 2024 18:52:52 +0000</resolved>
                                                    <fixVersion>7.3.0-rc2</fixVersion>
                                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="6053413" author="xgen-internal-githook" created="Tue, 30 Jan 2024 18:51:59 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Misha Tyulenev&apos;, &apos;email&apos;: &apos;misha@mongodb.com&apos;, &apos;username&apos;: &apos;mikety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-82764&quot; title=&quot;Make &amp;quot;planningTimeMicros&amp;quot; incorporate time from the multi-planner trial period&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-82764&quot;&gt;&lt;del&gt;SERVER-82764&lt;/del&gt;&lt;/a&gt; incorporate into planningTime time from multiplanner tri&#8230; (#18005)&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: 6878b717a3bb6923a21773c051875e46922d9aa5&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f4b359531880b0cead2d72dd08a091eece1aa2db&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f4b359531880b0cead2d72dd08a091eece1aa2db&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2485079">SERVER-82549</issuekey>
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