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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-15219] race in migration commit can cause it to timeout</title>
                <link>https://jira.mongodb.org/browse/SERVER-15219</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Description of race:&lt;/p&gt;

&lt;p&gt;1. moveChunk on collection C0 from shard S1 to S0.&lt;br/&gt;
2. S1 sends S0 recvChunkCommitStart&lt;br/&gt;
3. S0 migrate thread finishes and set active to false.&lt;br/&gt;
4. moveChunk on collection C1 from shard S2 to S0.&lt;br/&gt;
5. startCommit from #2 proceeds on the loop for active to become false (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r2.7.6/src/mongo/s/d_migrate.cpp#L2248&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r2.7.6/src/mongo/s/d_migrate.cpp#L2248&lt;/a&gt;)&lt;br/&gt;
6. startCommit times out on the condition variable as long as moveChunk in #4 takes more than 30 secs.&lt;/p&gt;</description>
                <environment></environment>
        <key id="157709">SERVER-15219</key>
            <summary>race in migration commit can cause it to timeout</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="9">Done</resolution>
                                        <assignee username="randolph@mongodb.com">Randolph Tan</assignee>
                                    <reporter username="randolph@mongodb.com">Randolph Tan</reporter>
                        <labels>
                    </labels>
                <created>Thu, 11 Sep 2014 17:56:56 +0000</created>
                <updated>Thu, 2 Oct 2014 21:32:01 +0000</updated>
                            <resolved>Thu, 11 Sep 2014 21:02:46 +0000</resolved>
                                    <version>2.7.6</version>
                                    <fixVersion>2.7.7</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="717124" author="xgen-internal-githook" created="Thu, 11 Sep 2014 21:01:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;renctan&apos;, u&apos;name&apos;: u&apos;Randolph Tan&apos;, u&apos;email&apos;: u&apos;randolph@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15219&quot; title=&quot;race in migration commit can cause it to timeout&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15219&quot;&gt;&lt;del&gt;SERVER-15219&lt;/del&gt;&lt;/a&gt; race in migration commit can cause it to timeout&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c082c215f671a7b8475d8407ed8f3c37e176e7ad&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c082c215f671a7b8475d8407ed8f3c37e176e7ad&lt;/a&gt;&lt;/p&gt;</comment>
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