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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-19653] Reduce disk writes in rename_collection_dbname_chain.js FSM workload</title>
                <link>https://jira.mongodb.org/browse/SERVER-19653</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In the concurrency suite, the rename_collection_dbname_chain.js FSM workload repeatedly renames collections across databases.  With mmapv1, these renames lead to the writing of &amp;gt; 15GB worth of cumulative data during the workload&apos;s lifetime.&lt;/p&gt;

&lt;p&gt;We should reduce the amount of data written to disk to speed up the workload and to prevent failures on Evergreen hosts.&lt;/p&gt;</description>
                <environment></environment>
        <key id="223277">SERVER-19653</key>
            <summary>Reduce disk writes in rename_collection_dbname_chain.js FSM workload</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="9">Done</resolution>
                                        <assignee username="kamran.khan">Kamran K.</assignee>
                                    <reporter username="kamran.khan">Kamran K.</reporter>
                        <labels>
                    </labels>
                <created>Wed, 29 Jul 2015 19:32:16 +0000</created>
                <updated>Fri, 9 Oct 2015 04:20:06 +0000</updated>
                            <resolved>Wed, 29 Jul 2015 20:58:10 +0000</resolved>
                                    <version>3.1.6</version>
                                    <fixVersion>3.1.7</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="992319" author="xgen-internal-githook" created="Wed, 29 Jul 2015 20:56:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kkmongo&apos;, u&apos;name&apos;: u&apos;Kamran Khan&apos;, u&apos;email&apos;: u&apos;kamran.khan@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19653&quot; title=&quot;Reduce disk writes in rename_collection_dbname_chain.js FSM workload&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19653&quot;&gt;&lt;del&gt;SERVER-19653&lt;/del&gt;&lt;/a&gt; Reduce test iterations in rename_collection_dbname_chain.js&lt;/p&gt;

&lt;p&gt;The workload writes a lot of data to disk with mmapv1 because of 16MB&lt;br/&gt;
.ns and .0 files.  This can cause fsm_all_replication.js to time out&lt;br/&gt;
on slow test hosts because the disk allocations do not complete within&lt;br/&gt;
five minutes.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f1bdf1bb55f93c63297f36ef22ed40d6d84872c9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f1bdf1bb55f93c63297f36ef22ed40d6d84872c9&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="223420">SERVER-19664</issuekey>
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            <issuelink>
            <issuekey id="233689">SERVER-20842</issuekey>
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