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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-32708] Replace the md5 hash function used in the &quot;hashed&quot; index type with a faster one, such as xxhash.</title>
                <link>https://jira.mongodb.org/browse/SERVER-32708</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Xxhash is probably 10 times faster than md5. We don&apos;t need a cryptographic hash function, just one that has a very good dispersion.&lt;/p&gt;</description>
                <environment></environment>
        <key id="483153">SERVER-32708</key>
            <summary>Replace the md5 hash function used in the &quot;hashed&quot; index type with a faster one, such as xxhash.</summary>
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                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="thestick613">Tudor Aursulesei</reporter>
                        <labels>
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                <created>Mon, 15 Jan 2018 23:05:54 +0000</created>
                <updated>Tue, 6 Dec 2022 03:41:34 +0000</updated>
                                                                            <component>Index Maintenance</component>
                                        <votes>0</votes>
                                    <watches>12</watches>
                                                                                                                <comments>
                            <comment id="1778311" author="thestick613" created="Thu, 18 Jan 2018 21:06:05 +0000"  >&lt;p&gt;This is a huge modification, as it will probably be backwards incompatible. A new index type called &quot;hashed_xx&quot; could be used. It may not seem much, but it will save a significant amount of cpu cycles.&lt;/p&gt;</comment>
                            <comment id="1778295" author="mark.agarunov" created="Thu, 18 Jan 2018 20:56:40 +0000"  >&lt;p&gt;Hello &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=thestick613&quot; class=&quot;user-hover&quot; rel=&quot;thestick613&quot;&gt;thestick613&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thank you for the request.  I&apos;ve set the fixVersion to &quot;Needs Triage&quot; for this new feature to be scheduled against our currently planned work. Updates will be posted on this ticket as they happen.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Mark&lt;/p&gt;</comment>
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