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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-61066] Make shardsvr DDL commands check primary status after marking opCtx as interruptible</title>
                <link>https://jira.mongodb.org/browse/SERVER-61066</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58246&quot; title=&quot;Commands flagged as &amp;#39;never allowed on secondaries&amp;#39; can proceed running after a node steps down from primary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58246&quot;&gt;&lt;del&gt;SERVER-58246&lt;/del&gt;&lt;/a&gt; outlines a race condition where a command that was marked as never allowed on secondaries and later set it&apos;s opCtx as interruptible on stepdown, may actually run on a now secondary uninterrupted. In &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58246&quot; title=&quot;Commands flagged as &amp;#39;never allowed on secondaries&amp;#39; can proceed running after a node steps down from primary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58246&quot;&gt;&lt;del&gt;SERVER-58246&lt;/del&gt;&lt;/a&gt; it was decided that it was not feasible to prevent this at the command infrastructure layer.&lt;/p&gt;

&lt;p&gt;This ticket is to prevent this race from happening on legacy (pre-5.0) DDL operations. Since the legacy DDL is not network-partition tolerant, a stepped-down former primary running DDL concurrently with a new primary may cause harm. Interrupting the DDL as soon as a node realizes is no longer primary mitigates this situation, although it doesn&apos;t prevent from happening it in the actual network-partition scenario.&lt;/p&gt;

&lt;p&gt;On FCV 5.0, since the new DDL coordinators are tolerant to split brain scenarios, this is not required for correctness.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1912035">SERVER-61066</key>
            <summary>Make shardsvr DDL commands check primary status after marking opCtx as interruptible</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="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</assignee>
                                    <reporter username="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</reporter>
                        <labels>
                    </labels>
                <created>Thu, 28 Oct 2021 10:50:43 +0000</created>
                <updated>Sun, 29 Oct 2023 21:46:48 +0000</updated>
                            <resolved>Thu, 4 Nov 2021 12:34:02 +0000</resolved>
                                    <version>5.0.0</version>
                                    <fixVersion>5.0.5</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4169068" author="xgen-internal-githook" created="Thu, 4 Nov 2021 12:20:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Serra Torrens&apos;, &apos;email&apos;: &apos;jordi.serra-torrens@mongodb.com&apos;, &apos;username&apos;: &apos;jordist&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61066&quot; title=&quot;Make shardsvr DDL commands check primary status after marking opCtx as interruptible&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61066&quot;&gt;&lt;del&gt;SERVER-61066&lt;/del&gt;&lt;/a&gt; Make shardsvr DDL commands check primary status after marking opCtx as interruptible&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/83e44b2e775ab8ffeeadf711f709a7fe1b3199b9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/83e44b2e775ab8ffeeadf711f709a7fe1b3199b9&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1807704">SERVER-58246</issuekey>
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