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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-42251] Cannot timestamp multikey write during recovery of prepared transaction before LogicalClock has been initialized </title>
                <link>https://jira.mongodb.org/browse/SERVER-42251</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When reconstructing a prepared transaction during replication recovery, we try to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0627df00250ec0bd23ee1d174b1149964bb2d29f/src/mongo/db/catalog/index_catalog_entry_impl.cpp#L299&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;timestamp a multikey write&lt;/a&gt; with a timestamp from the LogicalClock. The LogicalClock may not have been initialized yet, though, which leads to an error if we try to timestamp the write with a zero timestamp. A proposed solution is to instead propagate the prepare timestamp of the transaction into that codepath so that we can timestamp the write with the transaction&apos;s prepare timestamp.&lt;/p&gt;</description>
                <environment></environment>
        <key id="859350">SERVER-42251</key>
            <summary>Cannot timestamp multikey write during recovery of prepared transaction before LogicalClock has been initialized </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="william.schultz@mongodb.com">William Schultz</assignee>
                                    <reporter username="william.schultz@mongodb.com">William Schultz</reporter>
                        <labels>
                    </labels>
                <created>Tue, 16 Jul 2019 19:00:16 +0000</created>
                <updated>Sun, 29 Oct 2023 22:19:01 +0000</updated>
                            <resolved>Tue, 23 Jul 2019 21:09:20 +0000</resolved>
                                    <version>4.2.0-rc2</version>
                                    <fixVersion>4.2.0-rc5</fixVersion>
                    <fixVersion>4.3.1</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2342206" author="xgen-internal-githook" created="Wed, 24 Jul 2019 19:10:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;William Schultz&apos;, &apos;email&apos;: &apos;william.schultz@mongodb.com&apos;, &apos;username&apos;: &apos;will62794&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42251&quot; title=&quot;Cannot timestamp multikey write during recovery of prepared transaction before LogicalClock has been initialized &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42251&quot;&gt;&lt;del&gt;SERVER-42251&lt;/del&gt;&lt;/a&gt; Timestamp multikey writes with the prepare timestamp during replication recovery&lt;/p&gt;

&lt;p&gt;Now that we execute multikey catalog updates in a side transaction, we need to give them some suitable timestamp. In normal replication, we can grab the latest value of the LogicalClock. In startup recovery, though, we may replay a prepared transaction that does a multikey write, but the LogicalClock may not have been initialized yet. Thus, we use the prepare timestamp of the transaction for the multikey write, since that timestamp is guaranteed to be less than or equal to the commit timestamp of the transaction.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7d687264de65258764dca70ce46754c4765912ce)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f8ea0937ec194347a4dcaacadc80d2608e137e1e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f8ea0937ec194347a4dcaacadc80d2608e137e1e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2339924" author="xgen-internal-githook" created="Tue, 23 Jul 2019 21:08:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;William Schultz&apos;, &apos;email&apos;: &apos;william.schultz@mongodb.com&apos;, &apos;username&apos;: &apos;will62794&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42251&quot; title=&quot;Cannot timestamp multikey write during recovery of prepared transaction before LogicalClock has been initialized &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42251&quot;&gt;&lt;del&gt;SERVER-42251&lt;/del&gt;&lt;/a&gt; Timestamp multikey writes with the prepare timestamp during replication recovery&lt;/p&gt;

&lt;p&gt;Now that we execute multikey catalog updates in a side transaction, we need to give them some suitable timestamp. In normal replication, we can grab the latest value of the LogicalClock. In startup recovery, though, we may replay a prepared transaction that does a multikey write, but the LogicalClock may not have been initialized yet. Thus, we use the prepare timestamp of the transaction for the multikey write, since that timestamp is guaranteed to be less than or equal to the commit timestamp of the transaction.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7d687264de65258764dca70ce46754c4765912ce&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7d687264de65258764dca70ce46754c4765912ce&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2336630" author="william.schultz" created="Mon, 22 Jul 2019 15:09:01 +0000"  >&lt;p&gt;Code review url: &lt;a href=&quot;https://mongodbcr.appspot.com/502180013/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://mongodbcr.appspot.com/502180013/&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1343348">SERVER-48010</issuekey>
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                                        <issuelink>
            <issuekey id="1423083">SERVER-49949</issuekey>
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