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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-48940] [recovery] Make replication rollback clear and recover a tenant migration donor&apos;s in-memory state</title>
                <link>https://jira.mongodb.org/browse/SERVER-48940</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This ticket is to make mongod clear and recover, on replication rollback, which database prefixes to block/reject requests for.&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Add a function TenantMigrationAccessBlockerByPrefix::removeAll similar to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/62f86fb4216dd8d24cbaedf4723a3982deaea549/src/mongo/db/repl/tenant_migration_access_blocker_by_prefix.cpp#L56&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;TenantMigrationAccessBlockerByPrefix::remove&lt;/a&gt;, but that clears &lt;a href=&quot;https://github.com/mongodb/mongo/blob/62f86fb4216dd8d24cbaedf4723a3982deaea549/src/mongo/db/repl/tenant_migration_access_blocker_by_prefix.h#L77&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;its entire map&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Make replication rollback call TenantMigrationAccessBlockerByPrefix::removeAll followed by the recoverTenantMigrationAccessBlockers function added under &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48941&quot; title=&quot;[recovery] Make startup recovery recover a tenant migration donor&amp;#39;s in-memory state&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48941&quot;&gt;&lt;del&gt;SERVER-48941&lt;/del&gt;&lt;/a&gt; just before &lt;a href=&quot;https://github.com/mongodb/mongo/blob/62f86fb4216dd8d24cbaedf4723a3982deaea549/src/mongo/db/repl/rollback_impl.cpp#L557&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;where&lt;/a&gt; prepared transactions are recovered at the end of rollback&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Similarly to the previous two tickets, this ticket should test that the code works by causing a rollback on a donor node&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;while the migration is in the &quot;blocking&quot; state&lt;/li&gt;
	&lt;li&gt;after the migration has written the &quot;commit&quot; oplog entry but before the commit oplog entry has majority-committed&lt;/li&gt;
	&lt;li&gt;after the migration has written the &quot;abort&quot; oplog entry but before the abort oplog entry has majority-committed&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;and confirming that the in-memory state was recovered correctly.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1383376">SERVER-48940</key>
            <summary>[recovery] Make replication rollback clear and recover a tenant migration donor&apos;s in-memory state</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="esha.maharishi@mongodb.com">Esha Maharishi</reporter>
                        <labels>
                            <label>pm-1791_milestone-D</label>
                    </labels>
                <created>Thu, 18 Jun 2020 03:49:36 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:49 +0000</updated>
                            <resolved>Mon, 28 Sep 2020 20:27:54 +0000</resolved>
                                                    <fixVersion>4.8.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3414931" author="xgen-internal-githook" created="Mon, 28 Sep 2020 20:15:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48940&quot; title=&quot;[recovery] Make replication rollback clear and recover a tenant migration donor&amp;#39;s in-memory state&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48940&quot;&gt;&lt;del&gt;SERVER-48940&lt;/del&gt;&lt;/a&gt; Make replication rollback clear and recover a tenant migration donor&apos;s in-memory state&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1075a48476d8bff9e57a39b40d599e62f8c427f9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1075a48476d8bff9e57a39b40d599e62f8c427f9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3403029" author="esha.maharishi@10gen.com" created="Mon, 21 Sep 2020 13:46:23 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=cheahuychou.mao&quot; class=&quot;user-hover&quot; rel=&quot;cheahuychou.mao&quot;&gt;cheahuychou.mao&lt;/a&gt;, the RollbackTest helper might be useful in writing the test: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/418c61279986a5eaddc66a16b5e288556ad1f6d3/jstests/replsets/libs/rollback_test.js&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/418c61279986a5eaddc66a16b5e288556ad1f6d3/jstests/replsets/libs/rollback_test.js&lt;/a&gt;&lt;/p&gt;</comment>
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                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="1394877">SERVER-49179</issuekey>
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