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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-58721] processReplSetInitiate does not set a stableTimestamp or take a stable checkpoint</title>
                <link>https://jira.mongodb.org/browse/SERVER-58721</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;tt&gt;processReplSetInitiate&lt;/tt&gt; may trigger the checkpointer thread, but does not guarantee that we have either a stableTimestamp or a stable checkpoint. If our commit point (lastCommitted) does not advance fast enough before we call setStableTimestamp on the storage API, it&apos;s possible for us to enter a rollback attempt without a stableTimestamp.&lt;/p&gt;

&lt;p&gt;This bug has likely existed since the RTT algorithm but became more prevalent after we introduced the automatic safe reconfig on stepup in 5.0, which will write a no-op oplog entry immediately after a node has been elected as primary.&lt;/p&gt;

&lt;p&gt;This bug should be reproducible with the following steps:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Start a 3 node replica set with a failpoint to hang the checkpointer thread on one of the nodes (node0)&lt;/li&gt;
	&lt;li&gt;Node0 should become the original primary (might have to stop data replication on the other two nodes at this point so that Node0 cannot advance it&apos;s commit point)&lt;/li&gt;
	&lt;li&gt;Isolate Node0 and do a few writes on it&lt;/li&gt;
	&lt;li&gt;Elect a new primary between Node1 and Node2 and make sure there are committed writes. Make sure the terms are higher than Node0&apos;s, which will prevent Node0 from learning of the commit point from Node1 or Node2.&lt;/li&gt;
	&lt;li&gt;Reconnect Node0 to Node1 and Node2. Node0 should attempt to go into rollback and invariant because it does not have a stableTimestamp.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1827130">SERVER-58721</key>
            <summary>processReplSetInitiate does not set a stableTimestamp or take a stable checkpoint</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="vesselina.ratcheva@mongodb.com">Vesselina Ratcheva</assignee>
                                    <reporter username="pavithra.vetriselvan@mongodb.com">Pavithra Vetriselvan</reporter>
                        <labels>
                    </labels>
                <created>Wed, 21 Jul 2021 12:18:15 +0000</created>
                <updated>Sun, 29 Oct 2023 21:50:37 +0000</updated>
                            <resolved>Mon, 4 Oct 2021 21:08:19 +0000</resolved>
                                                    <fixVersion>5.0.4</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4139825" author="xgen-internal-githook" created="Thu, 21 Oct 2021 18:33:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Vesselina Ratcheva&apos;, &apos;email&apos;: &apos;vesselina.ratcheva@10gen.com&apos;, &apos;username&apos;: &apos;vessy-mongodb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58721&quot; title=&quot;processReplSetInitiate does not set a stableTimestamp or take a stable checkpoint&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58721&quot;&gt;&lt;del&gt;SERVER-58721&lt;/del&gt;&lt;/a&gt; Set stable timestamp during replSetInitiate&lt;/p&gt;

&lt;p&gt;(cherry picked from commit b19ac676cd1b00b3325d16b4845bd1d8ededfd32)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5f04bbbc4aa7da24135b4548e4a298ce9d28b777&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5f04bbbc4aa7da24135b4548e4a298ce9d28b777&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4107732" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:34:44 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="4100900" author="xgen-internal-githook" created="Mon, 4 Oct 2021 21:04:08 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Vesselina Ratcheva&apos;, &apos;email&apos;: &apos;vesselina.ratcheva@10gen.com&apos;, &apos;username&apos;: &apos;vessy-mongodb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58721&quot; title=&quot;processReplSetInitiate does not set a stableTimestamp or take a stable checkpoint&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58721&quot;&gt;&lt;del&gt;SERVER-58721&lt;/del&gt;&lt;/a&gt; Set stable timestamp during replSetInitiate&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b19ac676cd1b00b3325d16b4845bd1d8ededfd32&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b19ac676cd1b00b3325d16b4845bd1d8ededfd32&lt;/a&gt;&lt;/p&gt;</comment>
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