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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-35920] Make sure read transactions during primary stepdown don&apos;t block stepdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-35920</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Stepdown kills all the running operations, sets the _canAcceptNonLocalWrites to false under the global lock, and waits for nodes to catch up without holding the global lock. When stepdown is signaled to check its stepdown condition, it re-acquires the global X lock and releases it afterwards.&lt;/p&gt;

&lt;p&gt;In 4.0 we don&apos;t allow starting a transaction if we can&apos;t accept writes, thanks to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34557&quot; title=&quot;Allow running transactions against primaries with readPreferences other than &amp;#39;primary&amp;#39;&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34557&quot;&gt;&lt;del&gt;SERVER-34557&lt;/del&gt;&lt;/a&gt;, so read transactions during primary stepdown are not allowed so they won&apos;t block the stepdown which needs the exclusive global lock. If we start allowing transactions on secondaries then we need to make sure the read transactions don&apos;t block stepdown&apos;s global lock request during the waiting.&lt;/p&gt;</description>
                <environment></environment>
        <key id="565804">SERVER-35920</key>
            <summary>Make sure read transactions during primary stepdown don&apos;t block stepdown</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-repl">Backlog - Replication Team</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                    </labels>
                <created>Fri, 29 Jun 2018 18:45:56 +0000</created>
                <updated>Tue, 6 Dec 2022 03:24:52 +0000</updated>
                            <resolved>Tue, 7 Jul 2020 13:04:24 +0000</resolved>
                                                                    <component>Replication</component>
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