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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-54911] Disallow movePrimary on databases owning collections being resharded</title>
                <link>https://jira.mongodb.org/browse/SERVER-54911</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Given a database, provide a way to check if a resharding operation is ongoing for an owned collection: this can be achievable by adding a field to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5b66f4557398de0f1bca748133f99ccb6ec409d8/src/mongo/s/catalog/type_database.h#L53&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;DatabaseType&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;In v5.0, only one resharding operation is expected to be executed in the whole cluster. However, it would be nice to provide a counter - instead of a simple flag - in order to already prepare metadata for the future.&lt;/p&gt;

&lt;p&gt;The counter in &lt;tt&gt;config.databases&lt;/tt&gt; entries is expected to keep track of the number of resharding operations and it should be incremented &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5b66f4557398de0f1bca748133f99ccb6ec409d8/src/mongo/db/s/resharding/resharding_coordinator_service.cpp#L211&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; and decremented &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5b66f4557398de0f1bca748133f99ccb6ec409d8/src/mongo/db/s/resharding/resharding_coordinator_service.cpp#L246&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1638151">SERVER-54911</key>
            <summary>Disallow movePrimary on databases owning collections being resharded</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13202">Works as Designed</resolution>
                                        <assignee username="backlog-server-sharding-emea">[DO NOT USE] Backlog - Sharding EMEA</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                            <label>PM-1965-Milestone-0-Metadata-Format</label>
                    </labels>
                <created>Wed, 3 Mar 2021 16:11:15 +0000</created>
                <updated>Fri, 27 Oct 2023 13:52:29 +0000</updated>
                            <resolved>Wed, 3 Mar 2021 16:21:12 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3644599" author="pierlauro.sciarelli" created="Wed, 3 Mar 2021 16:21:12 +0000"  >&lt;p&gt;We are already &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5b66f4557398de0f1bca748133f99ccb6ec409d8/src/mongo/db/s/shardsvr_reshard_collection_command.cpp#L80&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;acquiring&lt;/a&gt; the db distributed lock during resharding, so no need for the proposed mechanism&lt;/p&gt;</comment>
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