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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-65424] Test &apos;explain&apos; output in JS tests for spilling the &apos;HashAgg&apos; stage to disk in SBE</title>
                <link>https://jira.mongodb.org/browse/SERVER-65424</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, there are at least two JS test files that test spilling to disk for the SBE &lt;tt&gt;HashAgg&lt;/tt&gt; stage, i.e., &lt;tt&gt;jstests/aggregation/spill_to_disk.js&lt;/tt&gt; and &lt;tt&gt;jstests/noPassthrough/spill_to_disk_secondary_read.js&lt;/tt&gt;. However, none of these two files check the &lt;tt&gt;explain&lt;/tt&gt; output regarding spilling to disk for the cases that involve an SBE &lt;tt&gt;HashAgg&lt;/tt&gt; stage. To improve it, some assertions on the explain output is preferred, similar to how it&apos;s done for the &lt;tt&gt;HashLookup&lt;/tt&gt; stage in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62676&quot; title=&quot;Add execution stats for $lookup pushed down into SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62676&quot;&gt;&lt;del&gt;SERVER-62676&lt;/del&gt;&lt;/a&gt;).&lt;/p&gt;

&lt;p&gt;In addition, in &lt;tt&gt;jstests/aggregation/spill_to_disk.js&lt;/tt&gt;, the &lt;tt&gt;setHashAggParameters&lt;/tt&gt; function is not setting the parameters properly to support all test fixtures. For example, this test file is not even testing its intended scenario under the &lt;tt&gt;aggregation_one_shard_sharded_collections&lt;/tt&gt; and &lt;tt&gt;aggregation_mongos_passthrough&lt;/tt&gt; test suites. One possible solution is to use the &lt;tt&gt;FixtureHelpers.runCommandOnEachPrimary&lt;/tt&gt; function, similar to how it&apos;s done in &lt;tt&gt;setHashLookupParameters&lt;/tt&gt; (as part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62676&quot; title=&quot;Add execution stats for $lookup pushed down into SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62676&quot;&gt;&lt;del&gt;SERVER-62676&lt;/del&gt;&lt;/a&gt;).&lt;/p&gt;</description>
                <environment></environment>
        <key id="2021803">SERVER-65424</key>
            <summary>Test &apos;explain&apos; output in JS tests for spilling the &apos;HashAgg&apos; stage to disk in SBE</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="mohammad.dashti@mongodb.com">Mohammad Dashti</assignee>
                                    <reporter username="mohammad.dashti@mongodb.com">Mohammad Dashti</reporter>
                        <labels>
                    </labels>
                <created>Mon, 11 Apr 2022 09:33:30 +0000</created>
                <updated>Sun, 29 Oct 2023 21:39:43 +0000</updated>
                            <resolved>Tue, 12 Apr 2022 16:04:58 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4477366" author="xgen-internal-githook" created="Tue, 12 Apr 2022 15:29:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mohammad Dashti&apos;, &apos;email&apos;: &apos;mdashti@gmail.com&apos;, &apos;username&apos;: &apos;mdashti&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65424&quot; title=&quot;Test &amp;#39;explain&amp;#39; output in JS tests for spilling the &amp;#39;HashAgg&amp;#39; stage to disk in SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65424&quot;&gt;&lt;del&gt;SERVER-65424&lt;/del&gt;&lt;/a&gt; Added some tests for the `explain` output in JS tests for spilling the `HashAgg` stage to disk in SBE&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ff94b90355c5e96d5119c29d8a590ffb500f98fb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ff94b90355c5e96d5119c29d8a590ffb500f98fb&lt;/a&gt;&lt;/p&gt;</comment>
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