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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-77699] Replace MurmurHash3 with absl::Hash if possible in SymmetricKeyId::Hash</title>
                <link>https://jira.mongodb.org/browse/SERVER-77699</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;MurmurHash3 is a pretty old hash function that&apos;s slow and produces low-quality hashes compared to modern alternatives like absl::Hash (CityHash). We want to replace any uses of MurmurHash3 which are for in-memory use only, as we expect this to yield quick perf wins. Hash values that are persisted to disk across restarts or sent across the network between servers are likely unsafe to change, and should be annotated with a clear explanation for why the usage requires a stable hash computation.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2356220">SERVER-77699</key>
            <summary>Replace MurmurHash3 with absl::Hash if possible in SymmetricKeyId::Hash</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="ivan.fefer@mongodb.com">Ivan Fefer</assignee>
                                    <reporter username="dan.larkin-york@mongodb.com">Dan Larkin-York</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>perf-server-security</label>
                    </labels>
                <created>Thu, 1 Jun 2023 17:56:01 +0000</created>
                <updated>Tue, 31 Oct 2023 08:30:05 +0000</updated>
                            <resolved>Tue, 31 Oct 2023 08:30:05 +0000</resolved>
                                                    <fixVersion>7.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5832569" author="xgen-internal-githook" created="Mon, 30 Oct 2023 17:53:43 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ivan Fefer&apos;, &apos;email&apos;: &apos;ivan.fefer@mongodb.com&apos;, &apos;username&apos;: &apos;Fefer-Ivan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-77699&quot; title=&quot;Replace MurmurHash3 with absl::Hash if possible in SymmetricKeyId::Hash&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-77699&quot;&gt;&lt;del&gt;SERVER-77699&lt;/del&gt;&lt;/a&gt; Replace murmur and custom hash with generic absl hash&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/67613b764fd0ea672037630ae1f104550a7b2723&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/67613b764fd0ea672037630ae1f104550a7b2723&lt;/a&gt;&lt;/p&gt;</comment>
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