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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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<item>
            <title>[SERVER-36290] find command on unsharded collection through mongos returns too much data from mongod to mongos</title>
                <link>https://jira.mongodb.org/browse/SERVER-36290</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It looks like when&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19355&quot; title=&quot;Support skip, limit, and projection in new find/getMore commands path on mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19355&quot;&gt;&lt;del&gt;SERVER-19355&lt;/del&gt;&lt;/a&gt; was implemented the logic for handling sort/skip/limit that gets sent to shards gets sent to primary shard for queries on unsharded collections as well.&lt;/p&gt;

&lt;p&gt;This results in mongod returning more documents to mongos and mongos then applying the skip rather than mongod just returning only the required data to mongos (after applying the skip and limit).&lt;/p&gt;

&lt;p&gt;Not sure if this is a bug or just a missed opportunity for optimization.&lt;/p&gt;</description>
                <environment></environment>
        <key id="576311">SERVER-36290</key>
            <summary>find command on unsharded collection through mongos returns too much data from mongod to mongos</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="eric.cox@mongodb.com">Eric Cox</assignee>
                                    <reporter username="asya.kamsky@mongodb.com">Asya Kamsky</reporter>
                        <labels>
                            <label>qopt-team</label>
                            <label>query-44-grooming</label>
                            <label>storch</label>
                    </labels>
                <created>Wed, 25 Jul 2018 22:31:53 +0000</created>
                <updated>Sun, 29 Oct 2023 22:29:32 +0000</updated>
                            <resolved>Fri, 3 Jan 2020 15:35:18 +0000</resolved>
                                    <version>3.2.0</version>
                    <version>3.4.0</version>
                    <version>3.6.0</version>
                    <version>4.0.0</version>
                                    <fixVersion>4.3.2</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="2702488" author="xgen-internal-githook" created="Fri, 3 Jan 2020 15:28:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Eric Cox&apos;, &apos;email&apos;: &apos;eric.cox@mongodb.com&apos;, &apos;username&apos;: &apos;ericox&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-36290&quot; title=&quot;find command on unsharded collection through mongos returns too much data from mongod to mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-36290&quot;&gt;&lt;del&gt;SERVER-36290&lt;/del&gt;&lt;/a&gt; find command on unsharded collection through mongos returns too much data from mongod to mongos&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1793288e477d5db8f07b823039ed072100af9385&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1793288e477d5db8f07b823039ed072100af9385&lt;/a&gt;&lt;/p&gt;</comment>
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