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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-84299] Move absl::HashOf() off the hot path where it is only used for error messages</title>
                <link>https://jira.mongodb.org/browse/SERVER-84299</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Noticed while investigating some performance changes caused by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79736&quot; title=&quot;Hash C++ data structures directly rather than building BSONObj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79736&quot;&gt;&lt;del&gt;SERVER-79736&lt;/del&gt;&lt;/a&gt; with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=erin.zhu%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;erin.zhu@mongodb.com&quot;&gt;erin.zhu@mongodb.com&lt;/a&gt;,&#160;we noticed that &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e6dceca530e4911dfa5d8ea7c32a371ad8aba150/src/mongo/db/pipeline/document_source_query_stats.cpp#L229&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this local variable&lt;/a&gt; is only used in the catch block, so should be moved there.&lt;/p&gt;

&lt;p&gt;It didn&apos;t seem to make much of a performance difference, but would be good to do anyway for clarity.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2528580">SERVER-84299</key>
            <summary>Move absl::HashOf() off the hot path where it is only used for error messages</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="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="charlie.swanson@mongodb.com">Charlie Swanson</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Dec 2023 15:22:23 +0000</created>
                <updated>Tue, 26 Dec 2023 12:02:31 +0000</updated>
                            <resolved>Wed, 20 Dec 2023 14:29:44 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5961706" author="xgen-internal-githook" created="Wed, 20 Dec 2023 00:24:21 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Charlie Swanson&apos;, &apos;email&apos;: &apos;charlie.swanson@mongodb.com&apos;, &apos;username&apos;: &apos;cswanson310&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-84299&quot; title=&quot;Move absl::HashOf() off the hot path where it is only used for error messages&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-84299&quot;&gt;&lt;del&gt;SERVER-84299&lt;/del&gt;&lt;/a&gt; Move hash call off hot path into catch block&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: c98df23ff05619712b3b414b9d3005a839285ccd&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e243548e63051dad54368cd2a2ec9572115aa741&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e243548e63051dad54368cd2a2ec9572115aa741&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2453202">SERVER-85065</issuekey>
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