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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-78265] Make analyzeShardKey command support sampling documents</title>
                <link>https://jira.mongodb.org/browse/SERVER-78265</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;According to the experiments in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68763&quot; title=&quot;Add performance testing to measure the performance impact of running the analyzeShardKey command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68763&quot;&gt;&lt;del&gt;SERVER-68763&lt;/del&gt;&lt;/a&gt;, the aggregate command run by the analyzeShardKey command to calculate the metrics about the characteristics about the shard key can take up to hours to run if the collection contains hundreds of millions of documents and the cardinality of the shard key is also very large. Given this, we should make the command support calculating metrics based on sampled documents instead of all of documents in the collection. &lt;/p&gt;</description>
                <environment></environment>
        <key id="2373346">SERVER-78265</key>
            <summary>Make analyzeShardKey command support sampling documents</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="13201">Fixed</resolution>
                                        <assignee username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</reporter>
                        <labels>
                    </labels>
                <created>Wed, 21 Jun 2023 05:37:51 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:46 +0000</updated>
                            <resolved>Wed, 28 Jun 2023 20:20:58 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                    <fixVersion>7.0.0-rc7</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5539511" author="xgen-internal-githook" created="Mon, 3 Jul 2023 00:05:52 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78265&quot; title=&quot;Make analyzeShardKey command support sampling documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78265&quot;&gt;&lt;del&gt;SERVER-78265&lt;/del&gt;&lt;/a&gt; Make analyzeShardKey command support sampling documents&lt;br/&gt;
Branch: EVG-17874-taskgen-test&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/41619ff10085f334c7bcd43ccc1bfcbc35f75360&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/41619ff10085f334c7bcd43ccc1bfcbc35f75360&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5533829" author="xgen-internal-githook" created="Thu, 29 Jun 2023 14:06:33 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78265&quot; title=&quot;Make analyzeShardKey command support sampling documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78265&quot;&gt;&lt;del&gt;SERVER-78265&lt;/del&gt;&lt;/a&gt; Make analyzeShardKey command support sampling documents&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 41619ff10085f334c7bcd43ccc1bfcbc35f75360)&lt;br/&gt;
Branch: v7.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d327bd007fc8309af64912c6a8394e7fecdecf14&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d327bd007fc8309af64912c6a8394e7fecdecf14&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5532277" author="xgen-internal-githook" created="Wed, 28 Jun 2023 20:12:49 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78265&quot; title=&quot;Make analyzeShardKey command support sampling documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78265&quot;&gt;&lt;del&gt;SERVER-78265&lt;/del&gt;&lt;/a&gt; Make analyzeShardKey command support sampling documents&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/41619ff10085f334c7bcd43ccc1bfcbc35f75360&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/41619ff10085f334c7bcd43ccc1bfcbc35f75360&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5528038" author="xgen-internal-githook" created="Tue, 27 Jun 2023 15:08:53 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78265&quot; title=&quot;Make analyzeShardKey command support sampling documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78265&quot;&gt;&lt;del&gt;SERVER-78265&lt;/del&gt;&lt;/a&gt; Move the helpers for the key characteristics tests into util files&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 99ca585727ee0fa75c93d62cfaa3f09c2708a88c)&lt;br/&gt;
Branch: v7.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5432b4be086054f61bc9b25d31aa8384e63d35d7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5432b4be086054f61bc9b25d31aa8384e63d35d7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5520107" author="xgen-internal-githook" created="Fri, 23 Jun 2023 02:30:21 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78265&quot; title=&quot;Make analyzeShardKey command support sampling documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78265&quot;&gt;&lt;del&gt;SERVER-78265&lt;/del&gt;&lt;/a&gt; Move the helpers for the key characteristics tests into util files&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/99ca585727ee0fa75c93d62cfaa3f09c2708a88c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/99ca585727ee0fa75c93d62cfaa3f09c2708a88c&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2378642">MONGOSH-1499</issuekey>
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