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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-25086] Remove distlock acquisition from split and merge chunk</title>
                <link>https://jira.mongodb.org/browse/SERVER-25086</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="301418">SERVER-25086</key>
            <summary>Remove distlock acquisition from split and merge chunk</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="spencer@mongodb.com">Spencer Brody</reporter>
                        <labels>
                            <label>PM-584</label>
                            <label>splitNoDistlock</label>
                    </labels>
                <created>Fri, 15 Jul 2016 15:39:36 +0000</created>
                <updated>Tue, 6 Dec 2022 04:21:28 +0000</updated>
                            <resolved>Mon, 14 Oct 2019 14:40:01 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>2</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2586481" author="xgen-internal-githook" created="Thu, 5 Dec 2019 18:04:02 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Tommaso Tocci&apos;, &apos;username&apos;: &apos;toto-dev&apos;, &apos;email&apos;: &apos;tommaso.tocci@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44201&quot; title=&quot;Complete TODO listed in SERVER-25086&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44201&quot;&gt;&lt;del&gt;SERVER-44201&lt;/del&gt;&lt;/a&gt; Remove outdated TODO note&lt;/p&gt;

&lt;p&gt;The TODO refers to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25086&quot; title=&quot;Remove distlock acquisition from split and merge chunk&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25086&quot;&gt;&lt;del&gt;SERVER-25086&lt;/del&gt;&lt;/a&gt; that have been marked as&lt;br/&gt;
won&apos;t fix.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3232fb0d0ada81eaee63c02887f6639284da1905&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3232fb0d0ada81eaee63c02887f6639284da1905&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2480277" author="ratika.gandhi" created="Mon, 14 Oct 2019 14:40:01 +0000"  >&lt;p&gt;Closing this because autosplitter no longer blocks writes in 4.2&lt;br/&gt;
cc. &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=josef.ahmad&quot; class=&quot;user-hover&quot; rel=&quot;josef.ahmad&quot;&gt;josef.ahmad&lt;/a&gt;, do you have any other concerns?&#160;&lt;/p&gt;</comment>
                            <comment id="2468645" author="kaloian.manassiev" created="Mon, 7 Oct 2019 09:55:52 +0000"  >&lt;p&gt;Thanks Josef for bringing this ticket up. I believe the original problems with removing the dist lock acquisitions during split and merge was not around who owns the auto-splitter, but that about the lack of other synchronisation between these two operations and moveChunk (in addition to also drop collection).&lt;/p&gt;

&lt;p&gt;I am pulling it into &apos;Needs Triage&apos; so we can discuss it at the next team triage meeting.&lt;/p&gt;</comment>
                            <comment id="2465858" author="josef.ahmad" created="Fri, 4 Oct 2019 09:10:21 +0000"  >&lt;p&gt;Given that the shard owns the autosplitting starting from 4.2, is there any other dependency for this ticket?&lt;/p&gt;</comment>
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            <issuekey id="346463">SERVER-27724</issuekey>
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            <issuekey id="978493">SERVER-44201</issuekey>
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