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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-65169] BalancerCommandsScheduler should not release dist locks while holding a mutex</title>
                <link>https://jira.mongodb.org/browse/SERVER-65169</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60920&quot; title=&quot;Ensure that BalancesCommandsScheduler synchs on every outstanding command before completing its stop() routine&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60920&quot;&gt;&lt;del&gt;SERVER-60920&lt;/del&gt;&lt;/a&gt;&#160;introduced a code change causing collection dist locks to be released by the &lt;tt&gt;BalancerCommandsScheduler&lt;/tt&gt; while holding the internal mutex.&lt;/p&gt;

&lt;p&gt;Such state may lead to a process hang if a concurrent stepdown request is also being processed and it must be avoided.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2014253">SERVER-65169</key>
            <summary>BalancerCommandsScheduler should not release dist locks while holding a mutex</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="paolo.polato@mongodb.com">Paolo Polato</assignee>
                                    <reporter username="paolo.polato@mongodb.com">Paolo Polato</reporter>
                        <labels>
                    </labels>
                <created>Fri, 1 Apr 2022 15:13:59 +0000</created>
                <updated>Sun, 29 Oct 2023 21:40:10 +0000</updated>
                            <resolved>Mon, 4 Apr 2022 15:36:13 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4454567" author="xgen-internal-githook" created="Mon, 4 Apr 2022 14:08:09 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65169&quot; title=&quot;BalancerCommandsScheduler should not release dist locks while holding a mutex&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65169&quot;&gt;&lt;del&gt;SERVER-65169&lt;/del&gt;&lt;/a&gt; fix deadlock in BalancerCommandsScheduler while stepping down&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e44576384c3ed73e60f5e40b128df38ddb6ac981&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e44576384c3ed73e60f5e40b128df38ddb6ac981&lt;/a&gt;&lt;/p&gt;</comment>
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