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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-41345] FlowControlRefresher can be shut down while there are operations needing flow control tickets</title>
                <link>https://jira.mongodb.org/browse/SERVER-41345</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The FlowControlRefresher periodic task is shut down as part of the node shut down procedure. If there are insufficient tickets available, certain operations will not receive a ticket and will hang.&lt;/p&gt;

&lt;p&gt;A potential fix for this issue could be to identify all operations that occur during shutdown and exclude them from flow control.&lt;br/&gt;
Alternatively, the PeriodicRunner shutdown block can be moved to after the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/ef8d28dc326f33c637123f169e1ee3ce3219ee09/src/mongo/db/db.cpp#L1019&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;final global lock acquisition&lt;/a&gt; during shutdown.&lt;br/&gt;
A third fix is to add synchronization handling upon shutdown of the FlowControlRefresher thread to circumvent ticket acquisitions. This third fix seems the most promising.&lt;/p&gt;</description>
                <environment></environment>
        <key id="778944">SERVER-41345</key>
            <summary>FlowControlRefresher can be shut down while there are operations needing flow control tickets</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="maria.vankeulen@mongodb.com">Maria van Keulen</assignee>
                                    <reporter username="maria.vankeulen@mongodb.com">Maria van Keulen</reporter>
                        <labels>
                    </labels>
                <created>Tue, 28 May 2019 20:29:28 +0000</created>
                <updated>Sun, 29 Oct 2023 22:20:40 +0000</updated>
                            <resolved>Fri, 31 May 2019 19:34:39 +0000</resolved>
                                                    <fixVersion>4.1.14</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2267390" author="xgen-internal-githook" created="Fri, 31 May 2019 19:22:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Maria van Keulen&apos;, &apos;email&apos;: &apos;maria@mongodb.com&apos;, &apos;username&apos;: &apos;mvankeulen94&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41345&quot; title=&quot;FlowControlRefresher can be shut down while there are operations needing flow control tickets&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41345&quot;&gt;&lt;del&gt;SERVER-41345&lt;/del&gt;&lt;/a&gt; Do not Flow Control after ticket refresher has shut down&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8cabc69905b649a069f1124cf02e0cf46ff86a58&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8cabc69905b649a069f1124cf02e0cf46ff86a58&lt;/a&gt;&lt;/p&gt;</comment>
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