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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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-49177] [stepdown] Make &quot;start blocking&quot; write&apos;s onAbort handler call TenantMigrationAccessBlocker::rollBackStartBlocking</title>
                <link>https://jira.mongodb.org/browse/SERVER-49177</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Update rollback() method of the TenantMigrationDonorHandler class described in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49178&quot; title=&quot;[stepdown] Make &amp;quot;commit&amp;quot; and &amp;quot;abort&amp;quot; writes&amp;#39; onAbort handlers call TenantMigrationAccessBlocker::rollBackCommitOrAbort&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49178&quot;&gt;&lt;del&gt;SERVER-49178&lt;/del&gt;&lt;/a&gt; to call rollBackStartBlocking if the _state is &#8220;start blocking&#8221;, and move mtab-&amp;gt;startBlockingWrites so that it is called after the &quot;start blocking&quot; update&apos;s WUOW is created.&lt;/p&gt;

&lt;p&gt;This way:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;&#160;if the &quot;start blocking&quot; update commits, then if the node steps down and the new primary does not have the &quot;start blocking&quot; update (and therefore tries to do the &quot;start blocking&quot; update again), the old primary would have had to go through rollback&lt;/li&gt;
	&lt;li&gt;if the &quot;start blocking&quot; update aborts, then the mtab-&amp;gt;startBlockingWrites will get undone through the rollback() handler&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Note that though the rollback() handler can run at an arbitrary point after the WUOW aborts, any locks held in the WUOW will have their lifetime extended until all the rollback() handlers have run. This means if the write aborted due to stepdown, the stepdown will block until the write&apos;s rollback() handler runs.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1394867">SERVER-49177</key>
            <summary>[stepdown] Make &quot;start blocking&quot; write&apos;s onAbort handler call TenantMigrationAccessBlocker::rollBackStartBlocking</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="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="esha.maharishi@mongodb.com">Esha Maharishi</reporter>
                        <labels>
                            <label>pm-1791_milestone-A</label>
                    </labels>
                <created>Mon, 29 Jun 2020 20:37:17 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:20 +0000</updated>
                            <resolved>Fri, 9 Oct 2020 00:48:38 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3435964" author="xgen-internal-githook" created="Fri, 9 Oct 2020 00:46:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49177&quot; title=&quot;[stepdown] Make &amp;quot;start blocking&amp;quot; write&amp;#39;s onAbort handler call TenantMigrationAccessBlocker::rollBackStartBlocking&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49177&quot;&gt;&lt;del&gt;SERVER-49177&lt;/del&gt;&lt;/a&gt; Make &quot;start blocking&quot; write&apos;s onAbort handler call TenantMigrationAccessBlocker::rollBackStartBlocking&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7c7f722ff4580dd682bc1fa2451ddf600929cc71&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7c7f722ff4580dd682bc1fa2451ddf600929cc71&lt;/a&gt;&lt;/p&gt;</comment>
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