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            <title>[SERVER-66815] Further refine the set of queries which are considered eligible for SBE </title>
                <link>https://jira.mongodb.org/browse/SERVER-66815</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The goal would be to further mitigate risk of performance regression. We would need to settle on exactly what behavior we intend to implement. Ideas proposed thus far include:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Fall back to classic if there are more than &lt;tt&gt;n&lt;/tt&gt; accumulators in a pushed down $group.&lt;/li&gt;
	&lt;li&gt;Fall back to classic if there is a match expression exceeding some complexity threshold. For instance, we could count the number of nodes in the tree and fallback if there are too many.&lt;/li&gt;
&lt;/ul&gt;
</description>
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        <key id="2056194">SERVER-66815</key>
            <summary>Further refine the set of queries which are considered eligible for SBE </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="12300">Won&apos;t Do</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                            <label>pm2697-m4</label>
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                <created>Thu, 26 May 2022 18:56:56 +0000</created>
                <updated>Tue, 6 Dec 2022 00:04:51 +0000</updated>
                            <resolved>Wed, 21 Sep 2022 21:04:05 +0000</resolved>
                                                                    <component>Query Execution</component>
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