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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-5496] Refactor ReplicaSetMonitor to avoid duplicate work</title>
                <link>https://jira.mongodb.org/browse/SERVER-5496</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Refactor ReplicaSetMonitor such that work would not be duplicated. In particular, only allow a single thread to modify _nodes so we don&apos;t keep on calling isMaster unnecessarily (especially when several connections calls getMaster roughly the same time and _master was marked as invalid). &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5110&quot; title=&quot;ReplicaSetMonitor::check not thread safe wrt _master &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5110&quot;&gt;&lt;del&gt;SERVER-5110&lt;/del&gt;&lt;/a&gt; did a little patch to mitigate this, but a redesign is needed to make the code cleaner (logic will be simplified once the invariant that only 1 thread is responsible for modifying _nodes) and avoid duplicating work.&lt;/p&gt;</description>
                <environment></environment>
        <key id="35421">SERVER-5496</key>
            <summary>Refactor ReplicaSetMonitor to avoid duplicate work</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="randolph@mongodb.com">Randolph Tan</reporter>
                        <labels>
                    </labels>
                <created>Tue, 3 Apr 2012 21:36:50 +0000</created>
                <updated>Wed, 10 Dec 2014 23:06:21 +0000</updated>
                            <resolved>Fri, 24 Jan 2014 16:34:30 +0000</resolved>
                                    <version>2.1.0</version>
                                                    <component>Internal Client</component>
                    <component>Replication</component>
                                        <votes>0</votes>
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