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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-83939] Reduce the memory footprint of the mongod executable</title>
                <link>https://jira.mongodb.org/browse/SERVER-83939</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Many of our CPU-bound performance workloads get gradually slower over time even when there are no significant changes to the workload&apos;s hot code paths. One possibility is that the steadily increasing size of the the &lt;tt&gt;mongos&lt;/tt&gt; and &lt;tt&gt;mongod&lt;/tt&gt; executables make their performance more sensitive to i-cache efficiency.&lt;/p&gt;

&lt;p&gt;One good way to test this effect (if it is real) would be to run some of these workloads on a &lt;tt&gt;mongod&lt;/tt&gt; that has been stripped down to remove functionality that they do not use and see if it improves any of the benchmark numbers.&lt;/p&gt;

&lt;p&gt;If there is a significant effect, it may be possible to get the same benefit in practice by breaking large features into separate dynamic libraries, which will never get loaded if a user does not use the feature.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2518308">SERVER-83939</key>
            <summary>Reduce the memory footprint of the mongod executable</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="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="justin.seyster@mongodb.com">Justin Seyster</reporter>
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                <created>Wed, 6 Dec 2023 20:02:39 +0000</created>
                <updated>Thu, 18 Jan 2024 22:01:19 +0000</updated>
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