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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-77424] Use a unique Locker for every ShardingDDLCoordinator </title>
                <link>https://jira.mongodb.org/browse/SERVER-77424</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On one side, the ShardingDDLCoordinator is creating and destroying several OperationContext objects since it uses a &lt;a href=&quot;https://github.com/10gen/mongo/blob/9ea7832c645b4a48e9938b2cf8d006f3eed6a768/src/mongo/db/s/sharding_ddl_coordinator.cpp#L259C5-L487&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;task chain&lt;/a&gt; to perform its operations. On the other side, the lock state is bound to an &lt;tt&gt;OperationContext&lt;/tt&gt; through a Locker object, and that &lt;a href=&quot;https://github.com/10gen/mongo/blob/c0e4721ed383502ff44682f5803b8cdd4d15e767/src/mongo/db/operation_context.h#L766&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Locker object&lt;/a&gt; is created and destructed together with the OperationContext.&lt;/p&gt;

&lt;p&gt;However, the new DDLLockManager implementation requires keeping a Locker object alive and attached to a ShardingDDLCoordinator in order to hold DDL locks across a task chain.&lt;/p&gt;

&lt;p&gt;The aim of this ticket is to keep a unique Locker object per ShardingDDLCoordinator by &lt;a href=&quot;https://github.com/10gen/mongo/blob/c0e4721ed383502ff44682f5803b8cdd4d15e767/src/mongo/db/operation_context.h#L160&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;attaching and detaching&lt;/a&gt; it to the current &lt;tt&gt;OperationContext&lt;/tt&gt; once its constructed and destructed respectively.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2349275">SERVER-77424</key>
            <summary>Use a unique Locker for every ShardingDDLCoordinator </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="silvia.surroca@mongodb.com">Silvia Surroca</assignee>
                                    <reporter username="silvia.surroca@mongodb.com">Silvia Surroca</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 May 2023 14:04:19 +0000</created>
                <updated>Sun, 29 Oct 2023 21:21:00 +0000</updated>
                            <resolved>Tue, 20 Jun 2023 09:24:52 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5510967" author="JIRAUSER1268536" created="Tue, 20 Jun 2023 09:24:52 +0000"  >&lt;p&gt;Committed&#160; under &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-77421&quot; title=&quot;New DDLLockManager implementation using LockManager&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-77421&quot;&gt;&lt;del&gt;SERVER-77421&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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