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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-27308] Reduce cost of sharding check in DocumentSourceLookup</title>
                <link>https://jira.mongodb.org/browse/SERVER-27308</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;_mongod-&amp;gt;isSharded() is called with every DocumentSourceLookUp::getNext() call. This call is expensive as it acquires a lock via AutoGetCollectionForRead.&lt;/p&gt;</description>
                <environment></environment>
        <key id="336828">SERVER-27308</key>
            <summary>Reduce cost of sharding check in DocumentSourceLookup</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="james.wahlin@mongodb.com">James Wahlin</assignee>
                                    <reporter username="james.wahlin@mongodb.com">James Wahlin</reporter>
                        <labels>
                    </labels>
                <created>Tue, 6 Dec 2016 22:30:33 +0000</created>
                <updated>Fri, 7 Jul 2017 14:54:08 +0000</updated>
                            <resolved>Mon, 9 Jan 2017 21:48:47 +0000</resolved>
                                                    <fixVersion>3.5.2</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1473039" author="xgen-internal-githook" created="Mon, 9 Jan 2017 21:39:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jameswahlin&apos;, u&apos;name&apos;: u&apos;James Wahlin&apos;, u&apos;email&apos;: u&apos;james.wahlin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27308&quot; title=&quot;Reduce cost of sharding check in DocumentSourceLookup&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27308&quot;&gt;&lt;del&gt;SERVER-27308&lt;/del&gt;&lt;/a&gt; Reduce cost of sharding check in DocumentSourceLookup&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/166a9663a3cb627f36873ffa104a60c0c935393c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/166a9663a3cb627f36873ffa104a60c0c935393c&lt;/a&gt;&lt;/p&gt;</comment>
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