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    <title>MongoDB Jira</title>
    <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-64080] ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock</title>
                <link>https://jira.mongodb.org/browse/SERVER-64080</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Suppose there is an ongoing chunk migration concurrent with a call to configureCollectionBalancing. The thread running configureCollectionBalancing gets the chunk lock. The migration then enters the critical section. configureCollectionBalancing then calls tellShardsToRefreshCollection which runs flushRoutingTableCacheUpdates which waits for the migration critical section to complete. But the thread running the migration is waiting for the chunk lock in order to commit.&lt;/p&gt;

&lt;p&gt;This means we cannot call tellShardsToRefreshCollection while holding the chunk lock.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1992172">SERVER-64080</key>
            <summary>ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock</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="allison.easton@mongodb.com">Allison Easton</assignee>
                                    <reporter username="allison.easton@mongodb.com">Allison Easton</reporter>
                        <labels>
                    </labels>
                <created>Tue, 1 Mar 2022 15:14:40 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:50 +0000</updated>
                            <resolved>Thu, 3 Mar 2022 14:20:57 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</fixVersion>
                    <fixVersion>5.3.0-rc3</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4391177" author="xgen-internal-githook" created="Fri, 4 Mar 2022 10:35:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Allison Easton&apos;, &apos;email&apos;: &apos;allison.easton@mongodb.com&apos;, &apos;username&apos;: &apos;allisoneaston&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64080&quot; title=&quot;ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64080&quot;&gt;&lt;del&gt;SERVER-64080&lt;/del&gt;&lt;/a&gt; ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 8f793e746623e1337cbf833d55e310374d97146e)&lt;br/&gt;
Branch: v5.3&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/676a969740251e412feb14d203e55948f703e9cb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/676a969740251e412feb14d203e55948f703e9cb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4389127" author="xgen-internal-githook" created="Thu, 3 Mar 2022 14:20:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Allison Easton&apos;, &apos;email&apos;: &apos;allison.easton@mongodb.com&apos;, &apos;username&apos;: &apos;allisoneaston&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64080&quot; title=&quot;ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64080&quot;&gt;&lt;del&gt;SERVER-64080&lt;/del&gt;&lt;/a&gt; ConfigsvrConfigureCollectionBalancing should not call tellShardsToRefreshCollection while holding the chunk lock&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8f793e746623e1337cbf833d55e310374d97146e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8f793e746623e1337cbf833d55e310374d97146e&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1996759">SERVER-64319</issuekey>
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