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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-75646] Wait for range deletions before dropping collections when removing config server shard</title>
                <link>https://jira.mongodb.org/browse/SERVER-75646</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-75096&quot; title=&quot;Locally drop sharded collections from config server during transitionToDedicatedConfigServer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-75096&quot;&gt;&lt;del&gt;SERVER-75096&lt;/del&gt;&lt;/a&gt;, when the config server transitions to dedicated mode, it drops its drained sharded collections locally so it can later be added back without users directly dropping those collections on the config server first. The drop is in the first transitionToDedicatedConfigServer ran after all chunks and databases have been moved away. There may be pending range deletions though, so secondary reads may still be running or stale routers may target those collections with available read concern and expect to at least read orphans. For the same probabilistic guarantees as for normal migrations, we should only locally drop the collections &lt;b&gt;after&lt;/b&gt; waiting for all pending range deletions to complete.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2306201">SERVER-75646</key>
            <summary>Wait for range deletions before dropping collections when removing config server shard</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="13201">Fixed</resolution>
                                        <assignee username="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                    </labels>
                <created>Tue, 4 Apr 2023 13:48:07 +0000</created>
                <updated>Sun, 29 Oct 2023 21:23:40 +0000</updated>
                            <resolved>Thu, 6 Apr 2023 19:44:58 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5330937" author="xgen-internal-githook" created="Thu, 6 Apr 2023 19:21:42 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-75646&quot; title=&quot;Wait for range deletions before dropping collections when removing config server shard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-75646&quot;&gt;&lt;del&gt;SERVER-75646&lt;/del&gt;&lt;/a&gt; Wait for range deletions before dropping collections when removing config server shard&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ddc123c781a4d4f15d1ae242c59659c72623d89e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ddc123c781a4d4f15d1ae242c59659c72623d89e&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2293620">SERVER-75096</issuekey>
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