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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-61113] _configsvrMoveChunk does not gossip the proper operationTime back to the router</title>
                <link>https://jira.mongodb.org/browse/SERVER-61113</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Since after &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60336&quot; title=&quot;Remove the MigrationScheduler component from the Balancer (and replace it with BalancerCommandsScheduler)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60336&quot;&gt;&lt;del&gt;SERVER-60336&lt;/del&gt;&lt;/a&gt; _configsvrMoveChunk runs the code that send the commands to the shards in a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e8aafb99f494c29e6ed05e3696a9cd2bb6b3ea5b/src/mongo/db/s/balancer/balancer.cpp#L348-L349&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;different thread client&lt;/a&gt; than the command and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e8aafb99f494c29e6ed05e3696a9cd2bb6b3ea5b/src/mongo/db/s/balancer/balancer.cpp#L350-L351&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;then joins it&lt;/a&gt;, the original command thread is not made aware of the operationTime returned from the shards, and thus it does not gossip it back to the router.&lt;/p&gt;

&lt;p&gt;To fix it, after joining the thread, the original command thread must &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e8aafb99f494c29e6ed05e3696a9cd2bb6b3ea5b/src/mongo/db/s/move_chunk_command.cpp#L192-L197&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;set its lastOpTime to the system&apos;s lastOpTime&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1913255">SERVER-61113</key>
            <summary>_configsvrMoveChunk does not gossip the proper operationTime back to the router</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="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</reporter>
                        <labels>
                    </labels>
                <created>Fri, 29 Oct 2021 15:43:34 +0000</created>
                <updated>Sun, 29 Oct 2023 21:46:42 +0000</updated>
                            <resolved>Mon, 15 Nov 2021 17:14:09 +0000</resolved>
                                                    <fixVersion>5.2.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4189360" author="xgen-internal-githook" created="Mon, 15 Nov 2021 17:10:32 +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-61113&quot; title=&quot;_configsvrMoveChunk does not gossip the proper operationTime back to the router&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61113&quot;&gt;&lt;del&gt;SERVER-61113&lt;/del&gt;&lt;/a&gt; make _configsvrMoveChunk gossip the operationTime back to the router&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0cdd5dd4ebf56bd913ee72c6754d6d8649c19a32&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0cdd5dd4ebf56bd913ee72c6754d6d8649c19a32&lt;/a&gt;&lt;/p&gt;</comment>
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