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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-44061] Race while setting replication maintenance mode.</title>
                <link>https://jira.mongodb.org/browse/SERVER-44061</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Definitely affects 4.0.13, but on inspection the same logic appears to be present in 4.2.&lt;/p&gt;

&lt;p&gt;When marking a node as too stale before moving into maintenance, an optimization occurs to only perform the maintenance  mode transition once. However, if this races (an election starts), we will return out of this function without ever successfully setting maintenance mode, allowing the member to remain in secondary state until restart.&lt;/p&gt;

&lt;p/&gt;
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&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2019-08-28T12:28:51.035+0000 E REPL     [rsBackgroundSync] too stale to catch up -- entering maintenance mode&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2019-08-28T12:28:51.943+0000 W REPL     [rsBackgroundSync] Failed to transition into maintenance mode: NotSecondary: currently running for election&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;


&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r4.0.13/src/mongo/db/repl/bgsync.cpp#L359&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r4.0.13/src/mongo/db/repl/bgsync.cpp#L359&lt;/a&gt;&lt;/p&gt;

</description>
                <environment></environment>
        <key id="972052">SERVER-44061</key>
            <summary>Race while setting replication maintenance mode.</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="lingzhi.deng@mongodb.com">Lingzhi Deng</assignee>
                                    <reporter username="kevin.arhelger@mongodb.com">Kevin Arhelger</reporter>
                        <labels>
                    </labels>
                <created>Thu, 17 Oct 2019 14:51:44 +0000</created>
                <updated>Sun, 29 Oct 2023 22:16:02 +0000</updated>
                            <resolved>Thu, 31 Oct 2019 17:11:35 +0000</resolved>
                                    <version>3.6.14</version>
                    <version>4.0.13</version>
                    <version>3.4.23</version>
                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>4.2.3</fixVersion>
                    <fixVersion>4.0.15</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="2661862" author="xgen-internal-githook" created="Mon, 23 Dec 2019 16:55:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Lingzhi Deng&apos;, &apos;email&apos;: &apos;lingzhi.deng@mongodb.com&apos;, &apos;username&apos;: &apos;ldennis&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44061&quot; title=&quot;Race while setting replication maintenance mode.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44061&quot;&gt;&lt;del&gt;SERVER-44061&lt;/del&gt;&lt;/a&gt;: Fix race between setting replication maintenance mode and concurrent election&lt;/p&gt;

&lt;p&gt;(cherry picked from commit d3546ccb50f0137962f8185140281e7fd7323e4a)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/78992b6422979574cc8cea8145fd49561c8f1caf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/78992b6422979574cc8cea8145fd49561c8f1caf&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2661741" author="xgen-internal-githook" created="Mon, 23 Dec 2019 16:07:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Lingzhi Deng&apos;, &apos;email&apos;: &apos;lingzhi.deng@mongodb.com&apos;, &apos;username&apos;: &apos;ldennis&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44061&quot; title=&quot;Race while setting replication maintenance mode.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44061&quot;&gt;&lt;del&gt;SERVER-44061&lt;/del&gt;&lt;/a&gt;: Fix race between setting replication maintenance mode and concurrent election&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d3546ccb50f0137962f8185140281e7fd7323e4a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d3546ccb50f0137962f8185140281e7fd7323e4a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2658624" author="lingzhi.deng" created="Fri, 20 Dec 2019 20:18:58 +0000"  >&lt;p&gt;Backporting sounds good.&lt;/p&gt;</comment>
                            <comment id="2658618" author="judah.schvimer" created="Fri, 20 Dec 2019 20:15:06 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=lingzhi.deng&quot; class=&quot;user-hover&quot; rel=&quot;lingzhi.deng&quot;&gt;lingzhi.deng&lt;/a&gt;, I just approved this for backport. I &lt;em&gt;think&lt;/em&gt; backporting this back to 4.0 will make the multi_version tests stop failing. If not, you may need to add a &quot;requires_fcv...&quot; tag since it adds a failpoint.&lt;/p&gt;</comment>
                            <comment id="2509423" author="xgen-internal-githook" created="Wed, 30 Oct 2019 23:25:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Lingzhi Deng&apos;, &apos;username&apos;: &apos;ldennis&apos;, &apos;email&apos;: &apos;lingzhi.deng@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44061&quot; title=&quot;Race while setting replication maintenance mode.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44061&quot;&gt;&lt;del&gt;SERVER-44061&lt;/del&gt;&lt;/a&gt;: Fix race between setting replication maintenance mode and concurrent election&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/39187be9d1175f5ef52ffca858c5e9489fd6cedf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/39187be9d1175f5ef52ffca858c5e9489fd6cedf&lt;/a&gt;&lt;/p&gt;</comment>
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