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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-82029] Ensure update to config.collections in createCollection coordinator uses an index scan</title>
                <link>https://jira.mongodb.org/browse/SERVER-82029</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The changes in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79157&quot; title=&quot;Change create collection coordinator to allow sharding unsplittable collections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79157&quot;&gt;&lt;del&gt;SERVER-79157&lt;/del&gt;&lt;/a&gt; changed the insert into config.collections as part of the create collection coordinator commit to an update. However, the update query is using only the uuid field. Since there is no index on config.collections for the uuid, this is resulting in a collection scan in order to do this update.&lt;/p&gt;

&lt;p&gt;We should change this update query to include the _id field so that this query can be done using an index scan rather than a collection scan.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2470393">SERVER-82029</key>
            <summary>Ensure update to config.collections in createCollection coordinator uses an index scan</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="allison.easton@mongodb.com">Allison Easton</assignee>
                                    <reporter username="allison.easton@mongodb.com">Allison Easton</reporter>
                        <labels>
                    </labels>
                <created>Tue, 10 Oct 2023 07:14:05 +0000</created>
                <updated>Sun, 29 Oct 2023 21:15:35 +0000</updated>
                            <resolved>Fri, 13 Oct 2023 07:11:25 +0000</resolved>
                                                    <fixVersion>7.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5775598" author="xgen-internal-githook" created="Fri, 13 Oct 2023 06:57:30 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Allison Easton&apos;, &apos;email&apos;: &apos;allison.easton@mongodb.com&apos;, &apos;username&apos;: &apos;allisoneaston&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-82029&quot; title=&quot;Ensure update to config.collections in createCollection coordinator uses an index scan&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-82029&quot;&gt;&lt;del&gt;SERVER-82029&lt;/del&gt;&lt;/a&gt; Ensure update to config.collections in createCollection coordinator uses an index scan&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/111a43b6bdfb31cadbd83341f637699dbecf6dbf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/111a43b6bdfb31cadbd83341f637699dbecf6dbf&lt;/a&gt;&lt;/p&gt;</comment>
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