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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-76998] The commit setAllowMigrations command do work that should be done in the DDL coordinators</title>
                <link>https://jira.mongodb.org/browse/SERVER-76998</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, when committing a change to the &lt;tt&gt;allowMigrations&lt;/tt&gt; flag, after executing a transaction to change the collection metadata and bump one chunk, there &lt;a href=&quot;https://github.com/10gen/mongo/blob/77c30e41e70e2f517ec037a7acb05ff7c1dde6c1/src/mongo/db/s/config/sharding_catalog_manager_chunk_operations.cpp#L2278-L2291&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is a refresh sent to all shards&lt;/a&gt;. This is done to make all the shards aware of the change, and abort &lt;a href=&quot;https://github.com/10gen/mongo/blob/790f1efbcb9dd0d555dffd61161bb6fabd7eda0f/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L399-L417&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;any ongoing migration if necessary&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This is correct, but it applies the pull model, which we&apos;re trying to move out from. We should instead, leave the commit command to simply change the collection metadata, and then make coordinators trigger the refresh if necessary.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2337252">SERVER-76998</key>
            <summary>The commit setAllowMigrations command do work that should be done in the DDL coordinators</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-catalog-and-routing">Backlog - Catalog and Routing</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                            <label>oldshardingemea</label>
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                <created>Wed, 10 May 2023 16:54:06 +0000</created>
                <updated>Thu, 26 Oct 2023 09:58:48 +0000</updated>
                                                                            <component>Sharding</component>
                                        <votes>0</votes>
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