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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>
    </build-info>


<item>
            <title>[SERVER-56178] Investigate oplog batcher during shutdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-56178</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If we stop a recipient replica set while the oplog applier is still running (namely when the oplog batcher is&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/46f91e5bd299bdfb6618c3fe8a82df68eadd30b8/src/mongo/db/repl/tenant_oplog_batcher.cpp#L141-L145&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;scheduling&lt;/a&gt;&#160;the next batch), we the migration seems to hang, signifying a potential race.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1682962">SERVER-56178</key>
            <summary>Investigate oplog batcher during shutdown</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="3">Duplicate</resolution>
                                        <assignee username="lingzhi.deng@mongodb.com">Lingzhi Deng</assignee>
                                    <reporter username="jason.zhang@mongodb.com">Jason Zhang</reporter>
                        <labels>
                            <label>post-rc0</label>
                    </labels>
                <created>Mon, 19 Apr 2021 17:53:43 +0000</created>
                <updated>Mon, 10 May 2021 15:54:26 +0000</updated>
                            <resolved>Mon, 10 May 2021 15:54:19 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3762220" author="lingzhi.deng" created="Fri, 7 May 2021 22:05:49 +0000"  >&lt;p&gt;In this &lt;a href=&quot;https://logkeeper.mongodb.org/lobster/build/93486a5659ba7462a920e4277565a309/test/6079da2fbe07c45d4d2dd180#bookmarks=0%2C927%2C3914%2C3918%2C3920%2C3921%2C3922%2C137973&amp;amp;f~=000~7304&amp;amp;f~=100~d20022&amp;amp;f~=000~4879607&amp;amp;f~=000~4881402&amp;amp;f~=100~1ce38aa5-b667-4e49-989a-f79912efd97f&amp;amp;l=1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;log&lt;/a&gt;:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[js_test:tenant_migration_donor_kill_op_retry] d20022| 2021-04-16T18:41:27.101+00:00 D2 TENANT_M 5350800 [TenantMigrationRecipientService-1] &quot;Already completed fetching retryable writes oplog entries from donor, skipping stage&quot;,&quot;attr&quot;:{&quot;migrationId&quot;:{&quot;uuid&quot;:{&quot;$uuid&quot;:&quot;1ce38aa5-b667-4e49-989a-f79912efd97f&quot;}},&quot;tenantId&quot;:&quot;testTenantId2&quot;}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[js_test:tenant_migration_donor_kill_op_retry] d20022| 2021-04-16T18:41:27.103+00:00 E  TENANT_M 4881204 [TenantMigrationRecipientService-1] &quot;Recipient migration service oplog fetcher failed&quot;,&quot;attr&quot;:{&quot;tenantId&quot;:&quot;testTenantId2&quot;,&quot;migrationId&quot;:{&quot;uuid&quot;:{&quot;$uuid&quot;:&quot;1ce38aa5-b667-4e49-989a-f79912efd97f&quot;}},&quot;error&quot;:{&quot;code&quot;:120,&quot;codeName&quot;:&quot;OplogStartMissing&quot;,&quot;errmsg&quot;:&quot;Received an empty batch from sync source.&quot;}}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[js_test:tenant_migration_donor_kill_op_retry] d20022| 2021-04-16T18:41:27.103+00:00 D1 TENANT_M 4881202 [TenantMigrationRecipientService-4] &quot;Recipient migration service creating oplog applier&quot;,&quot;attr&quot;:{&quot;tenantId&quot;:&quot;testTenantId2&quot;,&quot;migrationId&quot;:{&quot;uuid&quot;:{&quot;$uuid&quot;:&quot;1ce38aa5-b667-4e49-989a-f79912efd97f&quot;}},&quot;startApplyingDonorOpTime&quot;:{&quot;ts&quot;:{&quot;$timestamp&quot;:{&quot;t&quot;:1618598470,&quot;i&quot;:4}},&quot;t&quot;:1}}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[js_test:tenant_migration_donor_kill_op_retry] d20022| 2021-04-16T18:41:27.103+00:00 D2 TENANT_M 5351401 [TenantMigrationRecipientService-4] &quot;Already completed fetching committed transactions from donor, skipping stage&quot;,&quot;attr&quot;:{&quot;migrationId&quot;:{&quot;uuid&quot;:{&quot;$uuid&quot;:&quot;1ce38aa5-b667-4e49-989a-f79912efd97f&quot;}},&quot;tenantId&quot;:&quot;testTenantId2&quot;}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[js_test:tenant_migration_donor_kill_op_retry] d20022| 2021-04-16T18:41:27.103+00:00 D1 TENANT_M 4881200 [TenantMigrationRecipientService-4] &quot;Recipient migration service starting oplog applier&quot;,&quot;attr&quot;:{&quot;tenantId&quot;:&quot;testTenantId2&quot;,&quot;migrationId&quot;:{&quot;uuid&quot;:{&quot;$uuid&quot;:&quot;1ce38aa5-b667-4e49-989a-f79912efd97f&quot;}}}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;The oplog fetcher failed before the oplog applier was created. And it looks like the oplog applier was never shut down. I think this is likely a dup of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56767&quot; title=&quot;Check for interrupt before initializing the _tenantOplogApplier&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56767&quot;&gt;&lt;del&gt;SERVER-56767&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="1706947">SERVER-56767</issuekey>
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