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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-36769] Do not hold collection cloner mutex while inserting documents into storage</title>
                <link>https://jira.mongodb.org/browse/SERVER-36769</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We hold the collection cloner mutex while &lt;a href=&quot;https://github.com/mongodb/mongo/blob/7bc9953a256c1fab8b772812e712b909fefc4535/src/mongo/db/repl/collection_cloner.cpp#L811&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;inserting documents into storage&lt;/a&gt;. Since we also hold this mutex while &lt;a href=&quot;https://github.com/mongodb/mongo/blob/7bc9953a256c1fab8b772812e712b909fefc4535/src/mongo/db/repl/collection_cloner.cpp#L619&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;populating the &lt;tt&gt;_documentsToInsert&lt;/tt&gt; buffer&lt;/a&gt;, this prevents us from simultaneously inserting into the buffer and inserting into storage. We should avoid holding this mutex while inserting into storage. This would require us to have throttling for &lt;tt&gt;_documentsToInsert&lt;/tt&gt; so that its size does not grow without bound.&lt;/p&gt;</description>
                <environment></environment>
        <key id="591147">SERVER-36769</key>
            <summary>Do not hold collection cloner mutex while inserting documents into storage</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="tess.avitabile@mongodb.com">Tess Avitabile</reporter>
                        <labels>
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                <created>Mon, 20 Aug 2018 18:43:34 +0000</created>
                <updated>Tue, 6 Dec 2022 03:20:18 +0000</updated>
                            <resolved>Wed, 5 Sep 2018 21:11:12 +0000</resolved>
                                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1994448" author="tess.avitabile" created="Wed, 5 Sep 2018 21:11:12 +0000"  >&lt;p&gt;The solution is to parallelize insertion on the destination, which we will schedule as a separate project.&lt;/p&gt;</comment>
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