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    <language>en-us</language>    <build-info>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31723] Ensure that mongod does not start up numCores task executors for sharding code</title>
                <link>https://jira.mongodb.org/browse/SERVER-31723</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As part of the logical sessions project, mongod was given the capability to read to and write from sharded collections.  In mongos, we use a large number of task executors to back the traffic for these operations.  Ensure that we have a sane, scaled-back solution for mongod.&lt;/p&gt;</description>
                <environment></environment>
        <key id="451151">SERVER-31723</key>
            <summary>Ensure that mongod does not start up numCores task executors for sharding code</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="mira.carey@mongodb.com">Mira Carey</assignee>
                                    <reporter username="samantha.ritter@mongodb.com">Samantha Ritter</reporter>
                        <labels>
                    </labels>
                <created>Wed, 25 Oct 2017 20:45:44 +0000</created>
                <updated>Mon, 30 Oct 2023 23:12:32 +0000</updated>
                            <resolved>Tue, 7 Nov 2017 22:49:24 +0000</resolved>
                                                    <fixVersion>3.6.0-rc4</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1719890" author="xgen-internal-githook" created="Tue, 7 Nov 2017 22:49:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jason Carey&apos;, &apos;username&apos;: &apos;hanumantmk&apos;, &apos;email&apos;: &apos;jcarey@argv.me&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-31723&quot; title=&quot;Ensure that mongod does not start up numCores task executors for sharding code&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-31723&quot;&gt;&lt;del&gt;SERVER-31723&lt;/del&gt;&lt;/a&gt; limit mongod sharding exec pool to 1&lt;/p&gt;

&lt;p&gt;The mongod sharding task executor pool (for arbitrary tasks) isn&apos;t&lt;br/&gt;
needed for user operations.  As such, it should be limited to 1 pool,&lt;br/&gt;
rather than wasteful default (4 &amp;lt;= NCORES &amp;lt;= 64).&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a40f9d9722555f53b390202f0dad508d6b7125d7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a40f9d9722555f53b390202f0dad508d6b7125d7&lt;/a&gt;&lt;/p&gt;</comment>
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