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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-20853] Eliminate copies of result batch in find and getMore commands path</title>
                <link>https://jira.mongodb.org/browse/SERVER-20853</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There are several copies in RPC components as well as the find and getMore commands themselves which slow down execution in the case of large result sets. (Discovered via a workload that repeatedly finds a 15 MB document by _id.)&lt;/p&gt;</description>
                <environment></environment>
        <key id="233803">SERVER-20853</key>
            <summary>Eliminate copies of result batch in find and getMore commands path</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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Fri, 9 Oct 2015 20:24:11 +0000</created>
                <updated>Wed, 25 Nov 2015 00:27:06 +0000</updated>
                            <resolved>Tue, 17 Nov 2015 22:53:06 +0000</resolved>
                                                    <fixVersion>3.2.0-rc4</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1091176" author="xgen-internal-githook" created="Tue, 17 Nov 2015 22:37:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20853&quot; title=&quot;Eliminate copies of result batch in find and getMore commands path&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20853&quot;&gt;&lt;del&gt;SERVER-20853&lt;/del&gt;&lt;/a&gt; Don&apos;t copy objects out of Message to build RemoteCommandResponse&lt;/p&gt;

&lt;p&gt;Now transfers the Message into RemoteCommandResponse to keep the object&lt;br/&gt;
buffers alive.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3d5f1a756fa1381ac809fb2a0029da3e7911bc77&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3d5f1a756fa1381ac809fb2a0029da3e7911bc77&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1088369" author="xgen-internal-githook" created="Fri, 13 Nov 2015 21:48:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20853&quot; title=&quot;Eliminate copies of result batch in find and getMore commands path&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20853&quot;&gt;&lt;del&gt;SERVER-20853&lt;/del&gt;&lt;/a&gt; eliminate copies in find and getMore path&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7a99fd808fc4e8960d2981799415617c495a0fda&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7a99fd808fc4e8960d2981799415617c495a0fda&lt;/a&gt;&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="233991">SERVER-20884</issuekey>
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            <issuekey id="231248">SERVER-20596</issuekey>
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