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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[DOCS-16524] Investigate changes in SERVER-83764: [v7.2] Disable $search SBE pushdown in 7.2 to avoid SERVER-83519</title>
                <link>https://jira.mongodb.org/browse/DOCS-16524</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;    $search will not be pushed down into the SBE query execution engine in v7.2 even when featureFlagSbeFull and featureFlagSearchInSbe are enabled. It will continue to execut in the Classic execution engine.&lt;/p&gt;

&lt;p&gt;This affects Docs only if the manual will contain any content about which query execution engine $search will execute in. If it is silent about this, then no impact.&lt;/p&gt;

&lt;p&gt;Cloud / Atlas teams - this is mainly for awareness. From the discussion with Query directors 2023-11-30, there is not any technical dependency on $search executing in SBE in v7.2, though before this change that was expected to be the case.&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
&lt;p&gt;    In order to release 7.2 without delay, the Query directors have decided to disable $search SBE pushdown in 7.2 in order to avoid &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83519&quot; title=&quot;$search inside $lookup is failing with a SBE-related error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83519&quot;&gt;&lt;del&gt;SERVER-83519&lt;/del&gt;&lt;/a&gt; in 7.2. $search SBE pushdown will remain enabled in future release 7.3, where &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83519&quot; title=&quot;$search inside $lookup is failing with a SBE-related error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83519&quot;&gt;&lt;del&gt;SERVER-83519&lt;/del&gt;&lt;/a&gt; will be fixed.&lt;/p&gt;
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        <key id="2514438">DOCS-16524</key>
            <summary>Investigate changes in SERVER-83764: [v7.2] Disable $search SBE pushdown in 7.2 to avoid SERVER-83519</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="caleb.thompson@mongodb.com">Caleb Thompson</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                            <label>feature</label>
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                <created>Fri, 1 Dec 2023 19:38:40 +0000</created>
                <updated>Mon, 8 Jan 2024 17:03:41 +0000</updated>
                            <resolved>Mon, 4 Dec 2023 18:06:32 +0000</resolved>
                                                    <fixVersion>7.2.0-rc3</fixVersion>
                    <fixVersion>Server_Docs_[20240108]</fixVersion>
                                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5923891" author="caleb.thompson" created="Mon, 4 Dec 2023 18:06:32 +0000"  >&lt;p&gt;Jeff Allen and I determined that this does not impact docs.&lt;/p&gt;</comment>
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                            <customfieldvalue>$search will not be pushed down into the SBE query execution engine in v7.2 even when featureFlagSbeFull and featureFlagSearchInSbe are enabled. It will continue to execut in the Classic execution engine.&lt;br/&gt;
&lt;br/&gt;
This affects Docs only if the manual will contain any content about which query execution engine $search will execute in. If it is silent about this, then no impact.&lt;br/&gt;
&lt;br/&gt;
Cloud / Atlas teams - this is mainly for awareness. From the discussion with Query directors 2023-11-30, there is not any technical dependency on $search executing in SBE in v7.2, though before this change that was expected to be the case.</customfieldvalue>

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