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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-61843] Figure out what is going on with our insert_vector performance</title>
                <link>https://jira.mongodb.org/browse/SERVER-61843</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In investigating &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61792&quot; title=&quot;Extending lock in batcher hurts performance&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61792&quot;&gt;&lt;del&gt;SERVER-61792&lt;/del&gt;&lt;/a&gt; I happened to notice that performance on our insert_vector benchmarks has gone down significantly since v4.4.  I took a quick look and traced some of that to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt;, but it might be worth seeing if we can recover most or all of it.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1940792">SERVER-61843</key>
            <summary>Figure out what is going on with our insert_vector performance</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="matthew.russotto@mongodb.com">Matthew Russotto</reporter>
                        <labels>
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                <created>Wed, 1 Dec 2021 20:02:46 +0000</created>
                <updated>Fri, 27 Oct 2023 20:45:49 +0000</updated>
                            <resolved>Tue, 4 Jan 2022 19:20:09 +0000</resolved>
                                                                                        <votes>0</votes>
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                            <comment id="4261987" author="matthew.russotto" created="Tue, 21 Dec 2021 16:41:41 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58949&quot; title=&quot;Support RecordId strings larger than 14 bytes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58949&quot;&gt;&lt;del&gt;SERVER-58949&lt;/del&gt;&lt;/a&gt; causes a few percent decrease in performance, probably by doubling the recordid size.  This could possibly be avoided by aliasing the SharedBuffer (12 bytes, probably) with the char buffer in RecordId, but I&apos;m not sure it&apos;s worth it.&lt;/p&gt;</comment>
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