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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-78336] Take the collection DDL lock on metadataConsistency command running on collection level</title>
                <link>https://jira.mongodb.org/browse/SERVER-78336</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the metadataConsistency command is always acquiring &lt;a href=&quot;https://github.com/10gen/mongo/blob/f8509417abd4843fca91e4c1c00f889c9748d1ad/src/mongo/db/s/shardsvr_check_metadata_consistency_command.cpp#L219&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the database DDL lock in S mode&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;However, when the metadataConsistency command &lt;a href=&quot;https://github.com/10gen/mongo/blob/f8509417abd4843fca91e4c1c00f889c9748d1ad/src/mongo/db/s/shardsvr_check_metadata_consistency_command.cpp#L181&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is running on the collection level&lt;/a&gt;, it would be better to take the database collection lock in IS mode and the collection DDL lock in S mode. With that improvement, we avoid blocking any DDL operation running over a collection that shares the same database that the collection we are running the metadataConsistency command on.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2374884">SERVER-78336</key>
            <summary>Take the collection DDL lock on metadataConsistency command running on collection level</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="silvia.surroca@mongodb.com">Silvia Surroca</assignee>
                                    <reporter username="silvia.surroca@mongodb.com">Silvia Surroca</reporter>
                        <labels>
                            <label>car-71-backport-declined</label>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Thu, 22 Jun 2023 16:41:11 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:39 +0000</updated>
                            <resolved>Tue, 10 Oct 2023 08:32:21 +0000</resolved>
                                                    <fixVersion>7.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5764283" author="xgen-internal-githook" created="Mon, 9 Oct 2023 14:34:46 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Silvia Surroca&apos;, &apos;email&apos;: &apos;silvia.surroca@mongodb.com&apos;, &apos;username&apos;: &apos;silviasuhu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78336&quot; title=&quot;Take the collection DDL lock on metadataConsistency command running on collection level&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78336&quot;&gt;&lt;del&gt;SERVER-78336&lt;/del&gt;&lt;/a&gt; Take the collection DDL lock on metadataConsistency command running on collection level&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d2d0a3822e3f9639e2c111daf90c57b4d9bbd1c8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d2d0a3822e3f9639e2c111daf90c57b4d9bbd1c8&lt;/a&gt;&lt;/p&gt;</comment>
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