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    <link>https://jira.mongodb.org</link>
    <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-73388] RenameCollection can attempt to release critical section after migration are already resumed.</title>
                <link>https://jira.mongodb.org/browse/SERVER-73388</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;RenameCollection stops migrations &lt;a href=&quot;https://github.com/mongodb/mongo/blob/183324bafa4753b04cd860b6f7110b8d604e87bb/src/mongo/db/s/rename_collection_coordinator.cpp#L320-L327&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; and they are &lt;a href=&quot;https://github.com/mongodb/mongo/blob/183324bafa4753b04cd860b6f7110b8d604e87bb/src/mongo/db/s/rename_collection_coordinator.cpp#L390-L400&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;reenabled here&lt;/a&gt; as part of the commit to the configsvr. At this point, the balancer can start issuing migrations, although they&apos;ll get blocked behind the shards critical section. As soon as the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/183324bafa4753b04cd860b6f7110b8d604e87bb/src/mongo/db/s/rename_collection_coordinator.cpp#L429&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;critical section is released&lt;/a&gt;, migrations can start.&lt;/p&gt;

&lt;p&gt;The problem is that the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/183324bafa4753b04cd860b6f7110b8d604e87bb/src/mongo/db/s/rename_collection_coordinator.cpp#L415&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;UnblockCRUD&lt;/a&gt; phase may need to be repeated in case of participant stepdown. At that point, a migration could have started, and the rename operation would hit &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0d5ad158ceb6fea1004034bcb78c82c9daf69eac/src/mongo/db/s/sharding_recovery_service.cpp#L434-L440&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this tassert&lt;/a&gt; when attempting to release the critical section (that had already released, and the migration has taken now)&lt;/p&gt;</description>
                <environment></environment>
        <key id="2245317">SERVER-73388</key>
            <summary>RenameCollection can attempt to release critical section after migration are already resumed.</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="13201">Fixed</resolution>
                                        <assignee username="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</assignee>
                                    <reporter username="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</reporter>
                        <labels>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Fri, 27 Jan 2023 10:54:02 +0000</created>
                <updated>Sun, 29 Oct 2023 21:27:16 +0000</updated>
                            <resolved>Thu, 23 Feb 2023 14:51:29 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5224939" author="xgen-internal-githook" created="Thu, 23 Feb 2023 14:41:50 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Serra Torrens&apos;, &apos;email&apos;: &apos;jordi.serra-torrens@mongodb.com&apos;, &apos;username&apos;: &apos;jordist&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73388&quot; title=&quot;RenameCollection can attempt to release critical section after migration are already resumed.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73388&quot;&gt;&lt;del&gt;SERVER-73388&lt;/del&gt;&lt;/a&gt; Do not fail renameParticipant if it encounters a critical section with different reason when attempting to release it.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b226016300037acfe32578255de89a14631d1d6c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b226016300037acfe32578255de89a14631d1d6c&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="913256">SERVER-43099</issuekey>
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