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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-42830] Applying a rename operation can result in multiple WT transactions</title>
                <link>https://jira.mongodb.org/browse/SERVER-42830</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When renaming a collection via an oplog entry, it&apos;s possible &lt;a href=&quot;https://github.com/mongodb/mongo/blob/37dc4398994e1af5ed002b0d7e87fe754b6572d5/src/mongo/db/catalog/rename_collection.cpp#L377-L384&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;to hit this clause&lt;/a&gt;. That statement performs work in its own WUOW/transaction and commits separately to completing the rename.&lt;/p&gt;

&lt;p&gt;Note this logic is not a bug in the sense that it would only manifest if crashing/restarting during initial sync were smarter than retrying from the beginning.&lt;/p&gt;

&lt;p&gt;However, this splitting of transactions results in an untimestamped write on the catalog. Verifying that all (necessary) writes to the catalog are timestamped is easier if that&apos;s also true during initial sync. The motivation for this ticket is to add timestamp verification.&lt;/p&gt;</description>
                <environment></environment>
        <key id="897208">SERVER-42830</key>
            <summary>Applying a rename operation can result in multiple WT transactions</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="daniel.gottlieb@mongodb.com">Daniel Gottlieb</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                    </labels>
                <created>Thu, 15 Aug 2019 18:18:21 +0000</created>
                <updated>Sun, 29 Oct 2023 22:18:03 +0000</updated>
                            <resolved>Wed, 21 Aug 2019 16:04:19 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                    <fixVersion>4.2.4</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2884816" author="xgen-internal-githook" created="Wed, 19 Feb 2020 16:15:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Daniel Gottlieb&apos;, &apos;username&apos;: &apos;dgottlieb&apos;, &apos;email&apos;: &apos;daniel.gottlieb@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42830&quot; title=&quot;Applying a rename operation can result in multiple WT transactions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42830&quot;&gt;&lt;del&gt;SERVER-42830&lt;/del&gt;&lt;/a&gt;: Wrap all of renameCollectionWithinDBForApplyOps into one WUOW.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 10dd7ef95fab6b869818f54827d4e03924846432)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8c619ff1f0eb7c2a7ac228354ba6aa79e89e21d4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8c619ff1f0eb7c2a7ac228354ba6aa79e89e21d4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2381131" author="xgen-internal-githook" created="Wed, 21 Aug 2019 15:58:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;dgottlieb&apos;, &apos;email&apos;: &apos;daniel.gottlieb@mongodb.com&apos;, &apos;name&apos;: &apos;Daniel Gottlieb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42830&quot; title=&quot;Applying a rename operation can result in multiple WT transactions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42830&quot;&gt;&lt;del&gt;SERVER-42830&lt;/del&gt;&lt;/a&gt;: Wrap all of renameCollectionWithinDBForApplyOps into one WUOW.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/10dd7ef95fab6b869818f54827d4e03924846432&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/10dd7ef95fab6b869818f54827d4e03924846432&lt;/a&gt;&lt;/p&gt;</comment>
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