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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-20928] Synchronize concurrent stepdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-20928</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Investigate the possibility of concurrent step-downs and synchronize them correctly.&lt;/p&gt;</description>
                <environment></environment>
        <key id="234409">SERVER-20928</key>
            <summary>Synchronize concurrent stepdown</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="9">Done</resolution>
                                        <assignee username="siyuan.zhou@mongodb.com">Siyuan Zhou</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                    </labels>
                <created>Wed, 14 Oct 2015 21:59:30 +0000</created>
                <updated>Wed, 25 Jan 2017 21:59:50 +0000</updated>
                            <resolved>Mon, 9 Nov 2015 20:01:32 +0000</resolved>
                                                    <fixVersion>3.2.0-rc3</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1083594" author="xgen-internal-githook" created="Mon, 9 Nov 2015 20:00:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visualzhou&apos;, u&apos;name&apos;: u&apos;Siyuan Zhou&apos;, u&apos;email&apos;: u&apos;siyuan.zhou@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Synchronize stepdown process with events.&lt;/p&gt;

&lt;p&gt;Fix deadlock of getMore&apos;s updateTerm.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a73f6895da690ed1932f4aa290b6b10f1172d44c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a73f6895da690ed1932f4aa290b6b10f1172d44c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1080516" author="xgen-internal-githook" created="Thu, 5 Nov 2015 15:06:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;milkie&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Synchronize stepdown process with events&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 289d877c17d50f6e4e34aeaadc775418fc980258.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c616b481d7c82d3a44feb2e56aa7326446aed567&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c616b481d7c82d3a44feb2e56aa7326446aed567&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1080515" author="xgen-internal-githook" created="Thu, 5 Nov 2015 15:06:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;milkie&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Fix lint.&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 81d9644da7e9fc7147d344324eb3ccf94fa27307.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2c56c43639fd6e7bef18b30beaf729504914b962&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2c56c43639fd6e7bef18b30beaf729504914b962&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1078674" author="xgen-internal-githook" created="Tue, 3 Nov 2015 22:34:20 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visualzhou&apos;, u&apos;name&apos;: u&apos;Siyuan Zhou&apos;, u&apos;email&apos;: u&apos;siyuan.zhou@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Fix lint.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/81d9644da7e9fc7147d344324eb3ccf94fa27307&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/81d9644da7e9fc7147d344324eb3ccf94fa27307&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1078668" author="siyuan.zhou@10gen.com" created="Tue, 3 Nov 2015 22:31:10 +0000"  >&lt;p&gt;The first patch went into 3.2.0-rc2, while the last two went into rc3, so I marked the fix version to rc3.&lt;/p&gt;</comment>
                            <comment id="1078629" author="xgen-internal-githook" created="Tue, 3 Nov 2015 22:08:05 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visualzhou&apos;, u&apos;name&apos;: u&apos;Siyuan Zhou&apos;, u&apos;email&apos;: u&apos;siyuan.zhou@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Remove HeartbeatResponseAction::ScheduleElection action&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/aee0de0ccdbeb9ff5f449b42b56d439691305541&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/aee0de0ccdbeb9ff5f449b42b56d439691305541&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1078623" author="xgen-internal-githook" created="Tue, 3 Nov 2015 22:00:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visualzhou&apos;, u&apos;name&apos;: u&apos;Siyuan Zhou&apos;, u&apos;email&apos;: u&apos;siyuan.zhou@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Synchronize stepdown process with events&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/289d877c17d50f6e4e34aeaadc775418fc980258&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/289d877c17d50f6e4e34aeaadc775418fc980258&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1075660" author="xgen-internal-githook" created="Fri, 30 Oct 2015 19:11:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visualzhou&apos;, u&apos;name&apos;: u&apos;Siyuan Zhou&apos;, u&apos;email&apos;: u&apos;siyuan.zhou@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20928&quot; title=&quot;Synchronize concurrent stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20928&quot;&gt;&lt;del&gt;SERVER-20928&lt;/del&gt;&lt;/a&gt; Heartbeat shouldn&apos;t cause stepdown in protocol version 1.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cbc6a790dc4ac537b071626dff77d0073512690c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cbc6a790dc4ac537b071626dff77d0073512690c&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="234336">SERVER-20922</issuekey>
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