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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-34968] Running listDatabases command and renameCollection command concurrently on mobile storage engine can cause WriteConflict errors</title>
                <link>https://jira.mongodb.org/browse/SERVER-34968</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The test that is being added as part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34531&quot; title=&quot;listDatabases command can miss a database if a collection in that database is renamed concurrently&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34531&quot;&gt;&lt;del&gt;SERVER-34531&lt;/del&gt;&lt;/a&gt; fails when run on the mobile storage engine due to WriteConflict errors that occur when concurrently running listDatabases and renameCollection. Obtaining the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/31fc16ed8bef28086ac1374784ffd4a6b5dc8279/src/mongo/db/commands/list_databases.cpp#L157&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sizeOnDisk&lt;/a&gt; value is what appears to be causing the WriteConflict error. This section of listDatabases should be wrapped in a writeConflictRetry loop.&lt;/p&gt;</description>
                <environment></environment>
        <key id="542820">SERVER-34968</key>
            <summary>Running listDatabases command and renameCollection command concurrently on mobile storage engine can cause WriteConflict errors</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="maria.vankeulen@mongodb.com">Maria van Keulen</assignee>
                                    <reporter username="maria.vankeulen@mongodb.com">Maria van Keulen</reporter>
                        <labels>
                    </labels>
                <created>Fri, 11 May 2018 21:00:10 +0000</created>
                <updated>Sun, 29 Oct 2023 22:31:51 +0000</updated>
                            <resolved>Mon, 14 May 2018 20:46:27 +0000</resolved>
                                                    <fixVersion>4.0.0-rc0</fixVersion>
                                    <component>Concurrency</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1890993" author="xgen-internal-githook" created="Mon, 14 May 2018 20:42:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Maria van Keulen&apos;, &apos;email&apos;: &apos;maria@mongodb.com&apos;, &apos;username&apos;: &apos;mvankeulen94&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34968&quot; title=&quot;Running listDatabases command and renameCollection command concurrently on mobile storage engine can cause WriteConflict errors&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34968&quot;&gt;&lt;del&gt;SERVER-34968&lt;/del&gt;&lt;/a&gt; Wrap sizeOnDisk calculation in writeConflictRetry loop&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ab197f4fa0d2caf460a84f33260fff83884dcfc3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ab197f4fa0d2caf460a84f33260fff83884dcfc3&lt;/a&gt;&lt;/p&gt;</comment>
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