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    <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-64248] Don&apos;t write resume token noop oplog entry</title>
                <link>https://jira.mongodb.org/browse/SERVER-64248</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;tt&gt;TenantMigrationRecipientService::Instance::_enqueueDocuments&lt;/tt&gt; doesn&apos;t need to write a resume token to the oplog if the tenant migration protocol is &quot;shard merge&quot;, &lt;del&gt;since Shard Merge isn&apos;t resumable.&lt;/del&gt;&lt;/p&gt;

&lt;p&gt;&lt;b&gt;UPDATE:&lt;/b&gt;&lt;br/&gt;
Resume token no-op oplog logic isn&apos;t added for tenant migration resumability purpose. Resume token no-op oplog entries was added for multi-tenant migration protocol (MTM) to ensure tenant oplog applier reaches clone stop timestamp/block timestamp as MTM fetches only given tenant oplog entries (see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-51246&quot; title=&quot;Write a noop into the oplog buffer after each batch to ensure tenant applier reaches stop timestamp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-51246&quot;&gt;&lt;del&gt;SERVER-51246&lt;/del&gt;&lt;/a&gt;). For shard Merge, we no longer need resume token no-op logic (introduced by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-51246&quot; title=&quot;Write a noop into the oplog buffer after each batch to ensure tenant applier reaches stop timestamp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-51246&quot;&gt;&lt;del&gt;SERVER-51246&lt;/del&gt;&lt;/a&gt;) as shard merge fetches &lt;a href=&quot;https://github.com/10gen/mongo/blob/2cfc78ff27a7ed95e7632f7749f8d09383be308b/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L1760&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;all oplog entries&lt;/a&gt; from donor to recipient.&lt;/p&gt;

&lt;p&gt;As part of this ticket, shard merge shouldn&apos;t request &lt;a href=&quot;https://github.com/10gen/mongo/blob/2cfc78ff27a7ed95e7632f7749f8d09383be308b/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L1767&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;resume token&lt;/a&gt; for oplog fetching and shouldn&apos;t &lt;a href=&quot;https://github.com/10gen/mongo/blob/2cfc78ff27a7ed95e7632f7749f8d09383be308b/src/mongo/db/repl/tenant_migration_recipient_service.cpp#L1792&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;write&lt;/a&gt; the resume token no-op oplog entries.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1995760">SERVER-64248</key>
            <summary>Don&apos;t write resume token noop oplog entry</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="mathis.bessa@mongodb.com">Mathis Bessa</assignee>
                                    <reporter username="jesse@mongodb.com">A. Jesse Jiryu Davis</reporter>
                        <labels>
                            <label>shard-merge-milestone-3</label>
                    </labels>
                <created>Mon, 7 Mar 2022 14:53:33 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:32 +0000</updated>
                            <resolved>Wed, 12 Oct 2022 20:38:25 +0000</resolved>
                                                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4899227" author="xgen-internal-githook" created="Wed, 12 Oct 2022 20:27:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;mathisbessamdb&apos;, &apos;email&apos;: &apos;mathis.bessa@mongodb.com&apos;, &apos;username&apos;: &apos;mathisbessamdb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64248&quot; title=&quot;Don&amp;#39;t write resume token noop oplog entry&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64248&quot;&gt;&lt;del&gt;SERVER-64248&lt;/del&gt;&lt;/a&gt; Don&apos;t write resume token noop oplog entry&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/112d7ad9e8eab0c0f8839a98d78b712b2eff9cbd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/112d7ad9e8eab0c0f8839a98d78b712b2eff9cbd&lt;/a&gt;&lt;/p&gt;</comment>
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