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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-20658] move cancelled work items from the sleepersQueue to the readyQueue in the ReplicationExecutor</title>
                <link>https://jira.mongodb.org/browse/SERVER-20658</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the primary of a three node PV1 replica set can spend 20% of its time iterating over items in the sleepersQueue. This has rendered PV1 unusable for the purposes of CSRS.&lt;/p&gt;

&lt;p&gt;Most of the items in the sleepersQueue are cancelled callbacks concerning elections. Circumventing the problem, by scanning the queue from back to front on inserts, eliminates the performance impact of this, but is not a suitable solution as it does not alleviate the memory overhead.&lt;/p&gt;</description>
                <environment></environment>
        <key id="231747">SERVER-20658</key>
            <summary>move cancelled work items from the sleepersQueue to the readyQueue in the ReplicationExecutor</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="9">Done</resolution>
                                        <assignee username="matt.dannenberg">Matt Dannenberg</assignee>
                                    <reporter username="matt.dannenberg">Matt Dannenberg</reporter>
                        <labels>
                    </labels>
                <created>Mon, 28 Sep 2015 14:50:58 +0000</created>
                <updated>Wed, 7 Oct 2015 21:35:58 +0000</updated>
                            <resolved>Thu, 1 Oct 2015 14:25:41 +0000</resolved>
                                    <version>3.1.8</version>
                                    <fixVersion>3.1.9</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1048622" author="xgen-internal-githook" created="Thu, 1 Oct 2015 14:24:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dannenberg&apos;, u&apos;name&apos;: u&apos;matt dannenberg&apos;, u&apos;email&apos;: u&apos;matt.dannenberg@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20658&quot; title=&quot;move cancelled work items from the sleepersQueue to the readyQueue in the ReplicationExecutor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20658&quot;&gt;&lt;del&gt;SERVER-20658&lt;/del&gt;&lt;/a&gt; move cancelled work items from the sleepersQueue to the readyQueue in the ReplicationExecutor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e1dde496ced6fdfa9e4cbc55a9e71084bf01d8c1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e1dde496ced6fdfa9e4cbc55a9e71084bf01d8c1&lt;/a&gt;&lt;/p&gt;</comment>
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