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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-43837] remove RSTL unlocking logic from MultiIndexBlock::cleanUpAfterBuild()</title>
                <link>https://jira.mongodb.org/browse/SERVER-43837</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We started unlocking the RSTL during index build cleanup in commit &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42824&quot; title=&quot;do not lock RSTL for index build cleanup&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42824&quot;&gt;&lt;del&gt;SERVER-42824&lt;/del&gt;&lt;/a&gt; to avoid a deadlock, described in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42621&quot; title=&quot;3 way deadlock can happen between hybrid index build, prepared transactions and stepdown thread.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42621&quot;&gt;&lt;del&gt;SERVER-42621&lt;/del&gt;&lt;/a&gt;, during a replica set stepdown. Subsequently, when we moved the collection and database lock acquisition out of the index build cleanup function in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43415&quot; title=&quot;indexbg_killop_primary.js crashes when two phase index builds are enabled&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43415&quot;&gt;&lt;del&gt;SERVER-43415&lt;/del&gt;&lt;/a&gt;, we also started releasing the RSTL before cleaning up the index build. As a result, this &lt;a href=&quot;https://github.com/mongodb/mongo/blob/906205275fef14c0ef6fecef54f1c1358918c26e/src/mongo/db/catalog/multi_index_block.cpp#L133&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;RSTL logic within MultiIndexBlock&lt;/a&gt; is now unnecessary.&lt;/p&gt;</description>
                <environment></environment>
        <key id="959721">SERVER-43837</key>
            <summary>remove RSTL unlocking logic from MultiIndexBlock::cleanUpAfterBuild()</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                    </labels>
                <created>Fri, 4 Oct 2019 17:01:52 +0000</created>
                <updated>Sun, 29 Oct 2023 22:16:25 +0000</updated>
                            <resolved>Tue, 8 Oct 2019 17:17:36 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2470248" author="xgen-internal-githook" created="Tue, 8 Oct 2019 00:26:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;username&apos;: &apos;benety&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43837&quot; title=&quot;remove RSTL unlocking logic from MultiIndexBlock::cleanUpAfterBuild()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43837&quot;&gt;&lt;del&gt;SERVER-43837&lt;/del&gt;&lt;/a&gt; remove RSTL unlocking logic from MultiIndexBlock::cleanUpAfterBuild()&lt;/p&gt;

&lt;p&gt;Not required after commit 68f0f19d1da4fc1adcc746481a7f65ecc6d01e26.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4f203678e2d86814e0e77b5b6d1cfa8494dcb929&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4f203678e2d86814e0e77b5b6d1cfa8494dcb929&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2466882" author="benety.goh" created="Fri, 4 Oct 2019 17:09:22 +0000"  >&lt;p&gt;Removing the RSTL logic allows us to consider a potential implementation for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39002&quot; title=&quot;killOp against a primary index build command or index build thread must abort the index build across the replica set&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39002&quot;&gt;&lt;del&gt;SERVER-39002&lt;/del&gt;&lt;/a&gt; where, in a non-stepdown scenario, we would be able to write the &lt;tt&gt;abortIndexBuild&lt;/tt&gt; oplog entry in the same WriteUnitOfWork as the one used to remove the indexes from the mdb catalog. &lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="943441">SERVER-43692</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="971168">SERVER-44045</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="883309">SERVER-42621</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="935320">SERVER-43415</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="672489">SERVER-39002</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="895861">SERVER-42824</issuekey>
        </issuelink>
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