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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-58606] Investigate concurrent shardCollection and zone modification behaviour </title>
                <link>https://jira.mongodb.org/browse/SERVER-58606</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The old shardCollection command (the one that was running on the configsvr) was &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d6b109563ed0901ec71c63e53079d97b078ae137/src/mongo/db/s/config/configsvr_shard_collection_command.cpp#L328-L330&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;locking the zones while performing the shard collection&lt;/a&gt;, I think we accidentally removed this syncronization in the new create collection coordinator.&lt;br/&gt;
The goal of this ticket is to verify that the new create collection coordinator correctly works with concurrent zone modifications.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1822131">SERVER-58606</key>
            <summary>Investigate concurrent shardCollection and zone modification behaviour </summary>
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                                            <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="13202">Works as Designed</resolution>
                                        <assignee username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                    </labels>
                <created>Fri, 16 Jul 2021 08:44:29 +0000</created>
                <updated>Fri, 27 Oct 2023 13:52:19 +0000</updated>
                            <resolved>Fri, 16 Jul 2021 16:24:25 +0000</resolved>
                                    <version>5.0.0</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3947283" author="marcos.grillo" created="Fri, 16 Jul 2021 16:24:10 +0000"  >&lt;p&gt;It is not a problem having a concurrent zone change while sharding a collection, the balancer ensures eventual consistency, also, the new behavior could be consider as analogous to the scenario of having the shard collection taking the lock first and having the zone changes committed after the shard collection concludes.&lt;/p&gt;</comment>
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