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    <title>MongoDB Jira</title>
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    <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-68960] Investigate performance of point index scans</title>
                <link>https://jira.mongodb.org/browse/SERVER-68960</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66437&quot; title=&quot;Improve performance of IDhack plans in SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66437&quot;&gt;SERVER-66437&lt;/a&gt; showed that IDHACK in SBE is slower than in classic largely due to the time that it takes to prepare a plan executor. This task looks into whether a similar regression exists for point index scans on non-id indexes (that is, over indexes that can&apos;t use IDHACK)&lt;/p&gt;</description>
                <environment></environment>
        <key id="2117347">SERVER-68960</key>
            <summary>Investigate performance of point index scans</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13203">Gone away</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="mihai.andrei@mongodb.com">Mihai Andrei</reporter>
                        <labels>
                            <label>pm2697-m4</label>
                    </labels>
                <created>Thu, 18 Aug 2022 18:53:30 +0000</created>
                <updated>Fri, 27 Oct 2023 20:45:15 +0000</updated>
                            <resolved>Tue, 28 Mar 2023 17:36:16 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="5306775" author="mihai.andrei" created="Tue, 28 Mar 2023 17:36:16 +0000"  >&lt;p&gt;NonIntIdFindOne has no more regressions &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/biggrin.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="4933120" author="kyle.suarez" created="Thu, 27 Oct 2022 17:53:20 +0000"  >&lt;p&gt;Ah, nice. My vote is &quot;gone away&quot;.&lt;/p&gt;</comment>
                            <comment id="4932719" author="JIRAUSER1263795" created="Thu, 27 Oct 2022 16:30:38 +0000"  >&lt;p&gt;Non-id lookups suffer from the same preparation overhead as id lookups. I don&apos;t think there is much we can do to improve the perf here, other than solve the preparation problem (e.g. by pooling: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69774&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/SERVER-69774&lt;/a&gt; ).&lt;/p&gt;

&lt;p&gt;Should we just mark this ticket as dependent on &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69774&quot; title=&quot;Investigate caching prepared plans in SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69774&quot;&gt;SERVER-69774&lt;/a&gt; ?&lt;/p&gt;</comment>
                            <comment id="4846438" author="kyle.suarez" created="Wed, 21 Sep 2022 20:04:05 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=anna.wawrzyniak%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;anna.wawrzyniak@mongodb.com&quot;&gt;anna.wawrzyniak@mongodb.com&lt;/a&gt;, we&apos;re assigning this to you since it&apos;s related to your work caching prepared plans in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69774&quot; title=&quot;Investigate caching prepared plans in SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69774&quot;&gt;SERVER-69774&lt;/a&gt;. CC &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=david.storch%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;david.storch@mongodb.com&quot;&gt;david.storch@mongodb.com&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=mihai.andrei%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;mihai.andrei@mongodb.com&quot;&gt;mihai.andrei@mongodb.com&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=andrew.paroski%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;andrew.paroski@mongodb.com&quot;&gt;andrew.paroski@mongodb.com&lt;/a&gt;&lt;/p&gt;</comment>
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