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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-55201] Optimize catalog cache refresh aggregation pipeline</title>
                <link>https://jira.mongodb.org/browse/SERVER-55201</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54874&quot; title=&quot;Ensure reading of consistent config.collections and config.chunks when refreshing the CatalogCache&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54874&quot;&gt;&lt;del&gt;SERVER-54874&lt;/del&gt;&lt;/a&gt; we introduced &lt;a href=&quot;https://github.com/mongodb/mongo/blob/8f7f06898e9a9d4da95302f5e1ebe12e1a359586/src/mongo/s/catalog/sharding_catalog_client_impl.cpp#L156-L404&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;an aggregation pipeline to refresh the catalog cache&lt;/a&gt; so that it reads config.collection and config.chunks at a same point-in-time in a single aggregation.&lt;/p&gt;

&lt;p&gt;This pipeline can be optimized to avoid using intermediate arrays (that the $facet stage is generating). This intermediate arrays can hit the 100 MB limit and fail the aggregation.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="1649220">SERVER-55201</key>
            <summary>Optimize catalog cache refresh aggregation pipeline</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</assignee>
                                    <reporter username="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</reporter>
                        <labels>
                            <label>PM-1965-Cleanup</label>
                    </labels>
                <created>Mon, 15 Mar 2021 17:07:04 +0000</created>
                <updated>Sun, 29 Oct 2023 21:56:18 +0000</updated>
                            <resolved>Thu, 25 Mar 2021 11:04:41 +0000</resolved>
                                                    <fixVersion>5.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3683246" author="xgen-internal-githook" created="Thu, 25 Mar 2021 09:25:53 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Serra Torrens&apos;, &apos;email&apos;: &apos;jordi.serra-torrens@mongodb.com&apos;, &apos;username&apos;: &apos;jordist&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-55201&quot; title=&quot;Optimize catalog cache refresh aggregation pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55201&quot;&gt;&lt;del&gt;SERVER-55201&lt;/del&gt;&lt;/a&gt;: Optimize catalog cache refresh aggregation pipeline&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2493a7b71ce3a1d5b6ec34c276bb6bbbf218e69f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2493a7b71ce3a1d5b6ec34c276bb6bbbf218e69f&lt;/a&gt;&lt;/p&gt;</comment>
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