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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-25950] Improve performance of simple dependency extraction in ParsedDeps::extractFields()</title>
                <link>https://jira.mongodb.org/browse/SERVER-25950</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is the piece of code that converts from a BSONObj to a Document, extracting only the fields required by the pipeline. It is very hot code, and if we could improve the efficiency for simple cases like a couple non-dotted fields, many pipelines would benefit.&lt;/p&gt;</description>
                <environment></environment>
        <key id="313838">SERVER-25950</key>
            <summary>Improve performance of simple dependency extraction in ParsedDeps::extractFields()</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="9">Done</resolution>
                                        <assignee username="charlie.swanson@mongodb.com">Charlie Swanson</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                    </labels>
                <created>Fri, 2 Sep 2016 19:29:22 +0000</created>
                <updated>Sat, 19 Nov 2016 00:05:56 +0000</updated>
                            <resolved>Tue, 13 Sep 2016 21:47:53 +0000</resolved>
                                                    <fixVersion>3.3.14</fixVersion>
                                    <component>Aggregation Framework</component>
                    <component>Performance</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1431412" author="xgen-internal-githook" created="Thu, 10 Nov 2016 20:10:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;charlie.swanson@mongodb.com&apos;}
&lt;p&gt;Message: PERF-714 Add a regression test for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25950&quot; title=&quot;Improve performance of simple dependency extraction in ParsedDeps::extractFields()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25950&quot;&gt;&lt;del&gt;SERVER-25950&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Adds a test for a pipeline requiring only one field out of many.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-perf/commit/6335df06344066b8942c2bdfcfee837abfe0da3d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-perf/commit/6335df06344066b8942c2bdfcfee837abfe0da3d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1383825" author="xgen-internal-githook" created="Tue, 13 Sep 2016 21:47:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;charlie.swanson@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25950&quot; title=&quot;Improve performance of simple dependency extraction in ParsedDeps::extractFields()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25950&quot;&gt;&lt;del&gt;SERVER-25950&lt;/del&gt;&lt;/a&gt; Improve efficiency of Dependencies::extractFields()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e41a6af318925f48e5626dd36a17531183e5aac2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e41a6af318925f48e5626dd36a17531183e5aac2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1383291" author="xgen-internal-githook" created="Tue, 13 Sep 2016 15:25:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;charlie.swanson@mongodb.com&apos;}
&lt;p&gt;Message: PERF-714 Add a regression test for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25950&quot; title=&quot;Improve performance of simple dependency extraction in ParsedDeps::extractFields()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25950&quot;&gt;&lt;del&gt;SERVER-25950&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Adds a test for a pipeline requiring only one field out of many.&lt;br/&gt;
Branch: develop&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-perf/commit/6335df06344066b8942c2bdfcfee837abfe0da3d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-perf/commit/6335df06344066b8942c2bdfcfee837abfe0da3d&lt;/a&gt;&lt;/p&gt;</comment>
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