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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-33081] Reset `KeysCollectionManager` during rollback properly</title>
                <link>https://jira.mongodb.org/browse/SERVER-33081</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/f492aeddbf/src/mongo/db/repl/rollback_impl.cpp#L145&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Resetting&lt;/a&gt; the `LogicalTimeValidator` &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f492aeddbf/src/mongo/db/logical_time_validator.cpp#L196-L197&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;calls stopMonitoring/startMonitoring&lt;/a&gt; on the underlying KeyManager. These translate to calls to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f492aeddbf/src/mongo/db/keys_collection_manager.cpp#L342&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;`PeriodicRunner::stop`&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f492aeddbf/src/mongo/db/keys_collection_manager.cpp#L328&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;`PeriodicRunner::start`&lt;/a&gt;. However, the `_inShutdown` flag gets set which causes the restart to invariant.&lt;/p&gt;</description>
                <environment></environment>
        <key id="491561">SERVER-33081</key>
            <summary>Reset `KeysCollectionManager` during rollback properly</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="randolph@mongodb.com">Randolph Tan</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                            <label>rollback-functional</label>
                    </labels>
                <created>Fri, 2 Feb 2018 17:32:41 +0000</created>
                <updated>Sun, 29 Oct 2023 22:35:10 +0000</updated>
                            <resolved>Tue, 20 Feb 2018 19:03:52 +0000</resolved>
                                    <version>3.6.2</version>
                                    <fixVersion>3.6.6</fixVersion>
                    <fixVersion>3.7.3</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1898318" author="xgen-internal-githook" created="Tue, 22 May 2018 15:33:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;renctan&apos;, &apos;name&apos;: &apos;Randolph Tan&apos;, &apos;email&apos;: &apos;randolph@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33081&quot; title=&quot;Reset `KeysCollectionManager` during rollback properly&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33081&quot;&gt;&lt;del&gt;SERVER-33081&lt;/del&gt;&lt;/a&gt; Reset KeysCollectionManager during rollback properly&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 9d1a7c5be9edbfdd039723ee91455f35b5ecc948)&lt;br/&gt;
(cherry picked from commit 9b9cea70eea59d9a4ad951dc37edc0a29a7b7b9f)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c1633ce07c0237ea37d815838e97b0904ac57885&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c1633ce07c0237ea37d815838e97b0904ac57885&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1810573" author="xgen-internal-githook" created="Tue, 20 Feb 2018 18:16:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;randolph@10gen.com&apos;, &apos;name&apos;: &apos;Randolph Tan&apos;, &apos;username&apos;: &apos;renctan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33081&quot; title=&quot;Reset `KeysCollectionManager` during rollback properly&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33081&quot;&gt;&lt;del&gt;SERVER-33081&lt;/del&gt;&lt;/a&gt; Reset KeysCollectionManager during rollback properly&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9d1a7c5be9edbfdd039723ee91455f35b5ecc948&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9d1a7c5be9edbfdd039723ee91455f35b5ecc948&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1806127" author="xgen-internal-githook" created="Wed, 14 Feb 2018 21:07:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;randolph@10gen.com&apos;, &apos;name&apos;: &apos;Randolph Tan&apos;, &apos;username&apos;: &apos;renctan&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33081&quot; title=&quot;Reset `KeysCollectionManager` during rollback properly&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33081&quot;&gt;&lt;del&gt;SERVER-33081&lt;/del&gt;&lt;/a&gt; Reset KeysCollectionManager during rollback properly&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 14f46a166dc729b5c46a081f39511017d4aca828.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4d18e6908acc852c77e97df0bf169c442a9bb306&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4d18e6908acc852c77e97df0bf169c442a9bb306&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1805976" author="xgen-internal-githook" created="Wed, 14 Feb 2018 19:03:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;randolph@10gen.com&apos;, &apos;name&apos;: &apos;Randolph Tan&apos;, &apos;username&apos;: &apos;renctan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33081&quot; title=&quot;Reset `KeysCollectionManager` during rollback properly&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33081&quot;&gt;&lt;del&gt;SERVER-33081&lt;/del&gt;&lt;/a&gt; Reset KeysCollectionManager during rollback properly&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/14f46a166dc729b5c46a081f39511017d4aca828&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/14f46a166dc729b5c46a081f39511017d4aca828&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1797438" author="renctan" created="Tue, 6 Feb 2018 22:28:12 +0000"  >&lt;p&gt;Since the in memory cached keys does not support rollback, it should be cleared during replication rollback. To fix the current code, I propose to change resetKeyManagerCache such that it destroys the old KeysCollectionManager after it stops the current one, create a fresh KeysCollectionManager, and start it.&lt;/p&gt;

&lt;p&gt;In addition, it also needs to do the same thing in &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.7.1/src/mongo/db/repl/rs_rollback.cpp#L970&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;rollback_internal::syncFixUp&lt;/a&gt;.&lt;/p&gt;</comment>
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