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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-53926] Tenant migration recipient should replace recipientSyncData (with returnAfterTimestamp) errors with interrupt status when appropriate</title>
                <link>https://jira.mongodb.org/browse/SERVER-53926</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, on the first &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2bac4b3f1258125f8b200ad2b0cf62b75f8729ed/src/mongo/db/commands/tenant_migration_recipient_cmds.cpp#L98&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;recipientSyncData command (without returnAfterReachingDonorTimestamp)&lt;/a&gt;, we wait on the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2bac4b3f1258125f8b200ad2b0cf62b75f8729ed/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L241&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;dataConsistent future&lt;/a&gt;. On interrupts (due to stepdown, etc.) of the future chain, we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2bac4b3f1258125f8b200ad2b0cf62b75f8729ed/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L1176-L1197&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;override the error status with the interrupt status&lt;/a&gt; so that the donor is able to retry the recipientSyncData command.&lt;/p&gt;

&lt;p&gt;However, the second recipientSyncData command (with returnAfterReachingDonorTimestamp) simply &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2bac4b3f1258125f8b200ad2b0cf62b75f8729ed/src/mongo/db/commands/tenant_migration_recipient_cmds.cpp#L101-L102&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waits for an optime to be majority committed&lt;/a&gt;. We should do something similar where we override the error status to an interrupt when appropriate so that the donor is able to retry the recipientSyncData command without aborting the migration.&lt;/p&gt;

&lt;p&gt;&amp;#8212;&lt;/p&gt;

&lt;p&gt;A second bug was found, which shows up after this issue is resolved. Once the donor retries, the second recipientSyncData command is sent to the new primary of the recipient RST. We may be in a state where the tenant oplog applier exists, but hasn&apos;t been started yet. This bug manifests as an invariant failure &lt;a href=&quot;https://github.com/mongodb/mongo/blob/097e3b429153e2b5a749c725dcf7623b63e41a02/src/mongo/util/future_impl.h#L641&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; after being called &lt;a href=&quot;https://github.com/mongodb/mongo/blob/097e3b429153e2b5a749c725dcf7623b63e41a02/src/mongo/db/repl/tenant_oplog_applier.cpp#L86&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;br/&gt;
The fix is to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f1b8a15fe45c24df25e5f6b1ead5022bc56f9e3b/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L322&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;wait on the _dataConsistentPromise instead of the _dataSyncStartedPromise&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1595632">SERVER-53926</key>
            <summary>Tenant migration recipient should replace recipientSyncData (with returnAfterTimestamp) errors with interrupt status when appropriate</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="vishnu.kaushik@mongodb.com">Vishnu Kaushik</assignee>
                                    <reporter username="jason.chan@mongodb.com">Jason Chan</reporter>
                        <labels>
                            <label>pm-1791_milestone-B</label>
                    </labels>
                <created>Wed, 20 Jan 2021 18:55:15 +0000</created>
                <updated>Sun, 29 Oct 2023 21:58:36 +0000</updated>
                            <resolved>Thu, 18 Feb 2021 15:01:26 +0000</resolved>
                                                    <fixVersion>5.0.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3620739" author="xgen-internal-githook" created="Thu, 18 Feb 2021 01:48:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Vishnu Kaushik&apos;, &apos;email&apos;: &apos;vishnu.kaushik@mongodb.com&apos;, &apos;username&apos;: &apos;kauboy26&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53926&quot; title=&quot;Tenant migration recipient should replace recipientSyncData (with returnAfterTimestamp) errors with interrupt status when appropriate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53926&quot;&gt;&lt;del&gt;SERVER-53926&lt;/del&gt;&lt;/a&gt; replace recipientSyncData (with returnAfterTimestamp) errors with interrupt status when appropriate&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1ff65f085af47596a2048baa2a1ccf5d9c9a2755&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1ff65f085af47596a2048baa2a1ccf5d9c9a2755&lt;/a&gt;&lt;/p&gt;</comment>
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