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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-34102] Under PV1, ReplicationCoordinatorImpl::_handleTimePassing for a single node RS should start an election instead of auto-winning.</title>
                <link>https://jira.mongodb.org/browse/SERVER-34102</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Running _performPostMemberStateUpdateAction(kActionWinElection) races with the election timeout in PV1 and can lead to an invariant failure.  If we instead use kActionStartSingleNodeElection instead the race will be benign and simply result in a log message about &quot;Not standing for election again; already candidate&quot;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="515830">SERVER-34102</key>
            <summary>Under PV1, ReplicationCoordinatorImpl::_handleTimePassing for a single node RS should start an election instead of auto-winning.</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="suganthi.mani@mongodb.com">Suganthi Mani</assignee>
                                    <reporter username="matthew.russotto@mongodb.com">Matthew Russotto</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Fri, 23 Mar 2018 18:43:47 +0000</created>
                <updated>Sun, 29 Oct 2023 22:33:24 +0000</updated>
                            <resolved>Thu, 24 May 2018 22:11:01 +0000</resolved>
                                                    <fixVersion>3.6.6</fixVersion>
                    <fixVersion>4.0.0-rc1</fixVersion>
                    <fixVersion>4.1.1</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="1901656" author="xgen-internal-githook" created="Fri, 25 May 2018 12:09:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;smani87&apos;, &apos;name&apos;: &apos;Suganthi Mani&apos;, &apos;email&apos;: &apos;suganthi.mani@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34102&quot; title=&quot;Under PV1, ReplicationCoordinatorImpl::_handleTimePassing for a single node RS should start an election instead of auto-winning.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34102&quot;&gt;&lt;del&gt;SERVER-34102&lt;/del&gt;&lt;/a&gt; Fix to prevent race between _handleTimePassing (stepdown timeout) and _startElectSelfIfEligibleV1 (election timeout) for pv1 single node replica set case.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 678947e0836ccf6ebb0e9397e56ada985541bf14)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c15b815a6cb1edc8fb2d5555e57fae7e118664b1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c15b815a6cb1edc8fb2d5555e57fae7e118664b1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1901456" author="xgen-internal-githook" created="Thu, 24 May 2018 22:09:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;smani87&apos;, &apos;name&apos;: &apos;Suganthi Mani&apos;, &apos;email&apos;: &apos;suganthi.mani@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34102&quot; title=&quot;Under PV1, ReplicationCoordinatorImpl::_handleTimePassing for a single node RS should start an election instead of auto-winning.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34102&quot;&gt;&lt;del&gt;SERVER-34102&lt;/del&gt;&lt;/a&gt; Fix to prevent race between _handleTimePassing (stepdown timeout) and _startElectSelfIfEligibleV1 (election timeout) for pv1 single node replica set case.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 678947e0836ccf6ebb0e9397e56ada985541bf14)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6fed52516bdc33c9e19c9daa40b01bc12e6519bc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6fed52516bdc33c9e19c9daa40b01bc12e6519bc&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1901444" author="xgen-internal-githook" created="Thu, 24 May 2018 22:02:31 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;smani87&apos;, &apos;name&apos;: &apos;Suganthi Mani&apos;, &apos;email&apos;: &apos;suganthi.mani@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34102&quot; title=&quot;Under PV1, ReplicationCoordinatorImpl::_handleTimePassing for a single node RS should start an election instead of auto-winning.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34102&quot;&gt;&lt;del&gt;SERVER-34102&lt;/del&gt;&lt;/a&gt; Fix to prevent race between _handleTimePassing (stepdown timeout) and _startElectSelfIfEligibleV1 (election timeout) for pv1 single node replica set case.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/678947e0836ccf6ebb0e9397e56ada985541bf14&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/678947e0836ccf6ebb0e9397e56ada985541bf14&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1889657" author="suganthi.mani" created="Fri, 11 May 2018 21:54:27 +0000"  >&lt;p&gt;Fix mentioned in the description &#160;is not sufficient to prevent race between&#160;_handleTimePassing (stepdown timeout) and _startElectSelfIfEligibleV1 (election timeout) for pv1 single node replica set case.&#160;&lt;/p&gt;

&lt;p&gt;ReplicationCoordinatorImpl::_handleTimePassing which calls TopologyCoordinator::becomeCandidateIfStepdownPeriodOverAndSingleNodeSet should return false if _role != follower.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="1870375" author="spencer" created="Fri, 20 Apr 2018 18:36:29 +0000"  >&lt;p&gt;This should be testable with a C++ unit test&lt;/p&gt;</comment>
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