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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-43628] Consolidate cluster aggregation targeting for passthrough/single shard queries</title>
                <link>https://jira.mongodb.org/browse/SERVER-43628</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Sharded aggregations currently have different code paths for &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6db227bc5616d6af031a797d87eaad193c8c32f0/src/mongo/s/query/cluster_aggregate.cpp#L786-L791&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;unsharded collections passthrough&lt;/a&gt; and pipelines which &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6db227bc5616d6af031a797d87eaad193c8c32f0/src/mongo/s/query/cluster_aggregate.cpp#L836&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;only target a single shard&lt;/a&gt;. Conceptually we shouldn&apos;t need to distinguish between the two cases to prepare for a world where unsharded collections are tracked in the config server.&lt;/p&gt;</description>
                <environment></environment>
        <key id="939773">SERVER-43628</key>
            <summary>Consolidate cluster aggregation targeting for passthrough/single shard queries</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="nicholas.zolnierz@mongodb.com">Nicholas Zolnierz</reporter>
                        <labels>
                            <label>qopt-team</label>
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                <created>Wed, 25 Sep 2019 14:58:13 +0000</created>
                <updated>Tue, 6 Dec 2022 02:46:28 +0000</updated>
                                                                            <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
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                            <comment id="2432893" author="nicholas.zolnierz" created="Wed, 25 Sep 2019 15:00:00 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=charlie.swanson&quot; class=&quot;user-hover&quot; rel=&quot;charlie.swanson&quot;&gt;charlie.swanson&lt;/a&gt; I&apos;ve left this in needs scheduling but wouldn&apos;t be opposed to including as part of the MR epic, as follow-up work for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42942&quot; title=&quot;M/R Agg: Implement translation for cluster mapReduce command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42942&quot;&gt;&lt;del&gt;SERVER-42942&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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