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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-67344] Prevent dropping shard split or tenant migration/merge collections in serverless mode</title>
                <link>https://jira.mongodb.org/browse/SERVER-67344</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Dropping the collection(s) containing shard split or tenant migration/merge state document result in deleting all tenant access blockers &lt;a href=&quot;#L436)]&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;shard split&lt;/a&gt; &lt;a href=&quot;#L362)]&quot; title=&quot;https://github.com/10gen/mongo/blob/master/src/mongo/db/repl/tenant_migration_donor_op_observer.cpp#L362)&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;tenant migration&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;When we&apos;ll have both merge and split active, this will cause issues as dropping collection for one could remove blockers for the other (which could have an active operation).&lt;/p&gt;

&lt;p&gt;A solution would be to prevent dropping either collection in serverless mode. If a user wants to delete the collection (for maintenance, dealing with issues, etc), the node can be restarted in non-serverless mode.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2071020">SERVER-67344</key>
            <summary>Prevent dropping shard split or tenant migration/merge collections in serverless mode</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="backlog-server-serverless">[DO NOT USE] Backlog - Server Serverless</assignee>
                                    <reporter username="didier.nadeau@mongodb.com">Didier Nadeau</reporter>
                        <labels>
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                <created>Thu, 16 Jun 2022 20:51:04 +0000</created>
                <updated>Fri, 6 Oct 2023 14:56:07 +0000</updated>
                            <resolved>Fri, 6 Oct 2023 14:56:07 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5759222" author="JIRAUSER1262830" created="Fri, 6 Oct 2023 14:56:07 +0000"  >&lt;p&gt;Not needed because we have a test to verify what happens if we drop the collection.&lt;/p&gt;</comment>
                            <comment id="4643103" author="suganthi.mani" created="Mon, 27 Jun 2022 19:57:04 +0000"  >&lt;p&gt;Note: We have existing tenant migration test to see whether migration work correctly if the state doc is dropped accidentally while the migration is in progress - &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5ccf7596dfc7442b312f867564bde8e111c86df7/jstests/replsets/tenant_migration_drop_state_doc_collection.js&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;tenant_migration_drop_state_doc_collection.js&lt;/a&gt;&lt;/p&gt;</comment>
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