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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-68929] Define a new method to query historical placement data on a namespace from a mongos process</title>
                <link>https://jira.mongodb.org/browse/SERVER-68929</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;tt&gt;ShardingCatalogClient&lt;/tt&gt; &lt;a href=&quot;https://github.com/10gen/mongo/blob/972507f884972092ecf516440fe9127f8791eaf7/src/mongo/s/catalog/sharding_catalog_client.h#L75&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;interface&lt;/a&gt; represents the main API a mongos process may use to access metadata on the config server.&lt;/p&gt;

&lt;p&gt;The objectives of this ticket are:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;extend such interface  to also include the &lt;tt&gt;ListOfShards getShardsThatOwnDataForCollAtClusterTime(collName, clusterTime)&lt;/tt&gt; method&lt;/li&gt;
	&lt;li&gt;implement the new method to access the content of &lt;tt&gt;config.placement&lt;/tt&gt; and &lt;tt&gt;config.shards&lt;/tt&gt; (&lt;a href=&quot;https://github.com/10gen/mongo/blob/44fe191f411ef26c982707f4c0577216e79a178b/src/mongo/s/catalog/sharding_catalog_client_impl.cpp#L633&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this other function&lt;/a&gt; may serve as a reference for how to send an aggregation to the config server)&lt;/li&gt;
	&lt;li&gt;include unit tests for the method&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2116723">SERVER-68929</key>
            <summary>Define a new method to query historical placement data on a namespace from a mongos process</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="enrico.golfieri@mongodb.com">Enrico Golfieri</assignee>
                                    <reporter username="paolo.polato@mongodb.com">Paolo Polato</reporter>
                        <labels>
                    </labels>
                <created>Thu, 18 Aug 2022 10:05:45 +0000</created>
                <updated>Sun, 29 Oct 2023 21:34:20 +0000</updated>
                            <resolved>Thu, 29 Sep 2022 09:12:37 +0000</resolved>
                                                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4862295" author="xgen-internal-githook" created="Wed, 28 Sep 2022 16:19:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Enrico Golfieri&apos;, &apos;email&apos;: &apos;enrico.golfieri@mongodb.com&apos;, &apos;username&apos;: &apos;enricogolfieri&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68929&quot; title=&quot;Define a new method to query historical placement data on a namespace from a mongos process&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68929&quot;&gt;&lt;del&gt;SERVER-68929&lt;/del&gt;&lt;/a&gt; Define a new method to query historical placement data on a namespace from a mongos process&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c0953d92e0a07dd130a0f4a4ac26a9fc4d7ef7f7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c0953d92e0a07dd130a0f4a4ac26a9fc4d7ef7f7&lt;/a&gt;&lt;/p&gt;</comment>
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