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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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-65338] Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-65338</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="2019495">SERVER-65338</key>
            <summary>Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown</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="mihai.andrei@mongodb.com">Mihai Andrei</assignee>
                                    <reporter username="ethan.zhang@mongodb.com">Ethan Zhang</reporter>
                        <labels>
                    </labels>
                <created>Thu, 7 Apr 2022 16:23:58 +0000</created>
                <updated>Sun, 29 Oct 2023 21:39:52 +0000</updated>
                            <resolved>Wed, 13 Apr 2022 20:01:27 +0000</resolved>
                                                    <fixVersion>6.0.0-rc1</fixVersion>
                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4483302" author="xgen-internal-githook" created="Thu, 14 Apr 2022 14:32:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@10gen.com&apos;, &apos;username&apos;: &apos;mtandrei&apos;}
&lt;p&gt;Message:   &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65338&quot; title=&quot;Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65338&quot;&gt;&lt;del&gt;SERVER-65338&lt;/del&gt;&lt;/a&gt; Runtime configurable query knob to disable SBE $lookup and $group&lt;/p&gt;

&lt;p&gt;    Co-authored-by: Ethan Zhang &amp;lt;ethan.zhang@mongodb.com&amp;gt;&lt;br/&gt;
    (cherry picked from commit 58fc2711d096a94532d3cf087f0ab476a0c29aee)&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1a04db6bf52c95f1d58918f526f293aeeea1d8e4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1a04db6bf52c95f1d58918f526f293aeeea1d8e4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4481457" author="xgen-internal-githook" created="Wed, 13 Apr 2022 19:46:17 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@10gen.com&apos;, &apos;username&apos;: &apos;mtandrei&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65338&quot; title=&quot;Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65338&quot;&gt;&lt;del&gt;SERVER-65338&lt;/del&gt;&lt;/a&gt; Runtime configurable query knob to disable SBE $lookup and $group&lt;/p&gt;

&lt;p&gt;Co-authored-by: Ethan Zhang &lt;span class=&quot;error&quot;&gt;&amp;#91;ethan.zhang@mongodb.com&amp;#93;&lt;/span&gt;(&lt;span class=&quot;nobr&quot;&gt;&lt;a href=&quot;mailto:ethan.zhang@mongodb.com&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ethan.zhang@mongodb.com&lt;sup&gt;&lt;img class=&quot;rendericon&quot; src=&quot;https://jira.mongodb.org/images/icons/mail_small.gif&quot; height=&quot;12&quot; width=&quot;13&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/sup&gt;&lt;/a&gt;&lt;/span&gt;)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/58fc2711d096a94532d3cf087f0ab476a0c29aee&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/58fc2711d096a94532d3cf087f0ab476a0c29aee&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4474559" author="xgen-internal-githook" created="Mon, 11 Apr 2022 20:31:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@10gen.com&apos;, &apos;username&apos;: &apos;mtandrei&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65338&quot; title=&quot;Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65338&quot;&gt;&lt;del&gt;SERVER-65338&lt;/del&gt;&lt;/a&gt; Runtime configurable query knob to disable SBE $lookup&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 7ef335b60fe16e4bd846eff3c8ca2828df8af31a.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/71b5dc9160e28c6451b42e3fd542abc32355db86&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/71b5dc9160e28c6451b42e3fd542abc32355db86&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4469184" author="xgen-internal-githook" created="Fri, 8 Apr 2022 21:41:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ethan Zhang&apos;, &apos;email&apos;: &apos;ethan.zhang@mongodb.com&apos;, &apos;username&apos;: &apos;yzhang1991&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65338&quot; title=&quot;Introduce a runtime configurable query knobs to disable $group and $lookup SBE pushdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65338&quot;&gt;&lt;del&gt;SERVER-65338&lt;/del&gt;&lt;/a&gt; Runtime configurable query knob to disable SBE $lookup&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7ef335b60fe16e4bd846eff3c8ca2828df8af31a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7ef335b60fe16e4bd846eff3c8ca2828df8af31a&lt;/a&gt;&lt;/p&gt;</comment>
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                            <customfieldvalue>This patch introduces two new query knobs, internalQuerySlotBasedExecutionDisableLookupPushdown and internalQuerySlotBasedExecutionDisableGroupPushdown, which can be used to enable or disable $lookup and $group pushdown into SBE, respectively.</customfieldvalue>

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