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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-62007] Support majority read for listCollections</title>
                <link>https://jira.mongodb.org/browse/SERVER-62007</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In C2C replication, we would like to only replicate majority committed data so that we can avoid handling rollbacks of the source cluster. This is now done by using majority readConcern in collection scans in the cloning phase. However, listDatabases/listCollections/listIndexes don&apos;t support reading majority committed catalog as the catalog is not versioned. This makes it very hard for an external process to detect when the result returned by these list commands rolls back. This work is to support majority read for listCollections by reading from a majority committed snapshot of the _mdb_catalog without actually introducing versioned catalog.&lt;/p&gt;

&lt;p&gt;And it should also work with sharded clusters.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1947755">SERVER-62007</key>
            <summary>Support majority read for listCollections</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="3">Duplicate</resolution>
                                        <assignee username="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="lingzhi.deng@mongodb.com">Lingzhi Deng</reporter>
                        <labels>
                    </labels>
                <created>Mon, 13 Dec 2021 15:35:56 +0000</created>
                <updated>Tue, 1 Mar 2022 17:03:39 +0000</updated>
                            <resolved>Tue, 1 Mar 2022 17:03:39 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="4383875" author="benety.goh" created="Tue, 1 Mar 2022 17:03:39 +0000"  >&lt;p&gt;&lt;font color=&quot;#172b4d&quot;&gt;The underlying problem described in this ticket has been resolved as part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62006&quot; title=&quot;Support majority read for _mdb_catalog&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62006&quot;&gt;&lt;del&gt;SERVER-62006&lt;/del&gt;&lt;/a&gt;, which returns information in &lt;tt&gt;_mdb_catalog&lt;/tt&gt; at the requested read snapshot that includes both databases and collections.&lt;/font&gt;&lt;/p&gt;</comment>
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