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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-71610] [StorEx] Remove or document instances of UninterruptibleLockGuard</title>
                <link>https://jira.mongodb.org/browse/SERVER-71610</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68868&quot; title=&quot;Remove all instances of UninterruptibleLockGuard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68868&quot;&gt;SERVER-68868&lt;/a&gt; intends to remove UninterruptipleLockGuard uses where possible, from its description:&lt;/p&gt;
&lt;div class=&quot;panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelContent&quot;&gt;
&lt;p&gt;Uses of UninterruptibleLockGuard indicate places in the code that do not comply with MongoDB&apos;s requirement that all operations be interruptible at places where they block to wait for resources. Every one of them is a potential future deadlock, and adds complexity to other parts of the codebase. We should reimplement codepaths that depend on UninterruptibleLockGuard so as to be interruptible.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;The work has been split for the different teams in server, this one being for Storage Execution.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68867&quot; title=&quot;Use linter to prevent new instances of UninteruptibleLockGuard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68867&quot;&gt;&lt;del&gt;SERVER-68867&lt;/del&gt;&lt;/a&gt; introduced a linter rule to add friction when adding new UninterruptipleLockGuard instances, and commented existing ones with NOLINT, while also adding a TODO with the corresponding server team ticket if an instance was found to not have a comment explaining why its use is warranted.&lt;/p&gt;

&lt;p&gt;We should either add a comment justifying the use of UninterruptibleLockGuard or fix the code to remove its use.&lt;br/&gt;
Search for &quot;TODO (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71610&quot; title=&quot;[StorEx] Remove or document instances of UninterruptibleLockGuard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71610&quot;&gt;&lt;del&gt;SERVER-71610&lt;/del&gt;&lt;/a&gt;)&quot; in the code base:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/repair.cpp#L173&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/repair.cpp#L173&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/drop_database.cpp#L192&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/drop_database.cpp#L192&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/drop_database.cpp#L309&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/drop_database.cpp#L309&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/multi_index_block.cpp#L1027&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/catalog/multi_index_block.cpp#L1027&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/embedded/embedded.cpp#L169&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/embedded/embedded.cpp#L169&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2194073">SERVER-71610</key>
            <summary>[StorEx] Remove or document instances of UninterruptibleLockGuard</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="yujin.kang@mongodb.com">Yujin Kang Park</assignee>
                                    <reporter username="yujin.kang@mongodb.com">Yujin Kang Park</reporter>
                        <labels>
                    </labels>
                <created>Thu, 24 Nov 2022 09:46:48 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:06 +0000</updated>
                            <resolved>Thu, 25 May 2023 08:47:03 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="5449273" author="xgen-internal-githook" created="Wed, 24 May 2023 16:28:17 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71610&quot; title=&quot;[StorEx] Remove or document instances of UninterruptibleLockGuard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71610&quot;&gt;&lt;del&gt;SERVER-71610&lt;/del&gt;&lt;/a&gt; Remove or document instances of UninterruptibleLockGuard&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4009ed0e87c0e76879047aab7b6a54207683ea47&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4009ed0e87c0e76879047aab7b6a54207683ea47&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5155337" author="gregory.noma" created="Tue, 31 Jan 2023 16:46:08 +0000"  >&lt;p&gt;We should split this up into smaller tasks&lt;/p&gt;</comment>
                            <comment id="5015362" author="JIRAUSER1265133" created="Tue, 29 Nov 2022 16:13:40 +0000"  >&lt;p&gt;Moving the transaction_participant instances to the Replication ticket.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/transaction/transaction_participant.cpp#L1603&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/transaction/transaction_participant.cpp#L1603&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/transaction/transaction_participant.cpp#L1891&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/34ac49477b87e183637f68cda828ecff8b393c64/src/mongo/db/transaction/transaction_participant.cpp#L1891&lt;/a&gt;&lt;/p&gt;</comment>
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