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    <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-29017] Dropping unsharded collection fails to synchronize with a concurrent shardCollection</title>
                <link>https://jira.mongodb.org/browse/SERVER-29017</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently the sharded collection drop code path branches for sharded or unsharded collections when in practice there is no reason why it should not be the same for both.&lt;/p&gt;

&lt;p&gt;This causes race conditions between dropping an unsharded collection and sharding the same collection concurrently, because dropping the unsharded collection will not take the distributed lock.&lt;/p&gt;

&lt;p&gt;Making both of them go through the catalog client also helps with moving that command to the config server primary.&lt;/p&gt;</description>
                <environment></environment>
        <key id="378719">SERVER-29017</key>
            <summary>Dropping unsharded collection fails to synchronize with a concurrent shardCollection</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Fri, 28 Apr 2017 18:37:09 +0000</created>
                <updated>Mon, 30 Oct 2023 23:17:07 +0000</updated>
                            <resolved>Tue, 16 May 2017 14:46:14 +0000</resolved>
                                    <version>3.5.6</version>
                                    <fixVersion>3.5.8</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1572270" author="xgen-internal-githook" created="Tue, 16 May 2017 14:43:51 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29017&quot; title=&quot;Dropping unsharded collection fails to synchronize with a concurrent shardCollection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29017&quot;&gt;&lt;del&gt;SERVER-29017&lt;/del&gt;&lt;/a&gt; Acquire the collection dist lock for unsharded drop&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/24c7c45f83155c72fee03a362b3e5a6a7b37f2a2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/24c7c45f83155c72fee03a362b3e5a6a7b37f2a2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1570026" author="xgen-internal-githook" created="Fri, 12 May 2017 19:20:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29017&quot; title=&quot;Dropping unsharded collection fails to synchronize with a concurrent shardCollection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29017&quot;&gt;&lt;del&gt;SERVER-29017&lt;/del&gt;&lt;/a&gt; Get rid of ShardingCatalogClient::updateCollection&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a301a8450b394060700011135c071db29309cd4c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a301a8450b394060700011135c071db29309cd4c&lt;/a&gt;&lt;/p&gt;</comment>
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