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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-44155] Validate a subset of latches of all levels</title>
                <link>https://jira.mongodb.org/browse/SERVER-44155</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We should annotate the subset of latches in&#160;mongo::transport,&#160;mongo/executor, and&#160;mongo/util/concurrency. This involves the following:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Modify MONGO_MAKE_LATCH to have a variadic argument list that it passes to the Mutex constructor. This allows the last argument to optionally be a HierachicalAcquisitionLevel.&lt;/li&gt;
	&lt;li&gt;Add a HierarchicalAcquisitionSet to the LatchSetState decoration and add/remove using the LockListener from &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42897&quot; title=&quot;Validate base-level latches&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42897&quot;&gt;&lt;del&gt;SERVER-42897&lt;/del&gt;&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Change MONGO_MAKE_BASE_LATCH to set HierachicalAcquisitionLevel(0) instead of isBaseLatch=false&lt;/li&gt;
	&lt;li&gt;Change a collection of higher-level latches to have HierachicalAcquisitionLevels. These latches will most likely derive their levels from latches of a lower level than them.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="976677">SERVER-44155</key>
            <summary>Validate a subset of latches of all levels</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="rahul.sundararaman@mongodb.com">Rahul Sundararaman</assignee>
                                    <reporter username="ben.caimano@mongodb.com">Benjamin Caimano</reporter>
                        <labels>
                    </labels>
                <created>Tue, 22 Oct 2019 21:20:09 +0000</created>
                <updated>Sun, 29 Oct 2023 22:15:52 +0000</updated>
                            <resolved>Mon, 9 Dec 2019 18:45:46 +0000</resolved>
                                                    <fixVersion>4.3.3</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3402119" author="billy.donahue" created="Sat, 19 Sep 2020 15:32:21 +0000"  >&lt;p&gt;review was&#160;&lt;a href=&quot;https://mongodbcr.appspot.com/542750094/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://mongodbcr.appspot.com/542750094/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2932755" author="xgen-internal-githook" created="Tue, 3 Mar 2020 18:13:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ben Caimano&apos;, &apos;email&apos;: &apos;ben.caimano@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43945&quot; title=&quot;Expose out of order latch acquisitions in serverStatus&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43945&quot;&gt;&lt;del&gt;SERVER-43945&lt;/del&gt;&lt;/a&gt; Expose out of order latch acquisitions in serverStatus&lt;/p&gt;

&lt;p&gt;This commit also backports:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42897&quot; title=&quot;Validate base-level latches&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42897&quot;&gt;&lt;del&gt;SERVER-42897&lt;/del&gt;&lt;/a&gt; Validate base-level latches&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44746&quot; title=&quot;Fix LatchAnalyzerTest&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44746&quot;&gt;&lt;del&gt;SERVER-44746&lt;/del&gt;&lt;/a&gt; Fix LatchAnalyzerTest&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44155&quot; title=&quot;Validate a subset of latches of all levels&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44155&quot;&gt;&lt;del&gt;SERVER-44155&lt;/del&gt;&lt;/a&gt; Validate a subset of latches of all levels&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45691&quot; title=&quot;Change Mutex::LockListeners to use a std::vector again&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45691&quot;&gt;&lt;del&gt;SERVER-45691&lt;/del&gt;&lt;/a&gt; Change Mutex::LockListeners to use a std::vector again&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45793&quot; title=&quot;Improve mongo::Mutex contract&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45793&quot;&gt;&lt;del&gt;SERVER-45793&lt;/del&gt;&lt;/a&gt; Improve mongo::Mutex contract&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45424&quot; title=&quot;Track local latch::Identities when getTestCommandsEnabled()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45424&quot;&gt;&lt;del&gt;SERVER-45424&lt;/del&gt;&lt;/a&gt; Track local latch::Identities when getTestCommandsEnabled()&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46041&quot; title=&quot;DiagnosticListeners are destructed before detached threads die&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46041&quot;&gt;&lt;del&gt;SERVER-46041&lt;/del&gt;&lt;/a&gt; Add DiagnosticListener/WaitListener LSAN suppressions&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46461&quot; title=&quot;Make static in mutex getDiagnosticListenerState() immortal&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46461&quot;&gt;&lt;del&gt;SERVER-46461&lt;/del&gt;&lt;/a&gt; Make static in getDiagnosticListenerState() immortal to fix destruction order issues during shutdown&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46197&quot; title=&quot;Make build flag to disable diagnostic latches&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46197&quot;&gt;&lt;del&gt;SERVER-46197&lt;/del&gt;&lt;/a&gt; Make build flag to disable diagnostic latches&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45276&quot; title=&quot;Release lock before destroying DBClientBases&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45276&quot;&gt;&lt;del&gt;SERVER-45276&lt;/del&gt;&lt;/a&gt; Release lock before destroying DBClientBases&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/24b6ee2dd48e3f1cfde1c4d7e2b01bd73921fbad&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/24b6ee2dd48e3f1cfde1c4d7e2b01bd73921fbad&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2594378" author="xgen-internal-githook" created="Mon, 9 Dec 2019 18:32:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Rahul Sundararaman&apos;, &apos;email&apos;: &apos;rahul.sundararaman@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44155&quot; title=&quot;Validate a subset of latches of all levels&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44155&quot;&gt;&lt;del&gt;SERVER-44155&lt;/del&gt;&lt;/a&gt; Validate a subset of latches of all levels&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4f00d6e3d7e54a2d131b8216d4b4ef9bfd7a7c6b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4f00d6e3d7e54a2d131b8216d4b4ef9bfd7a7c6b&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                            <outwardlinks description="depends on">
                                        <issuelink>
            <issuekey id="900225">SERVER-42892</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="900242">SERVER-42897</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="900245">SERVER-42898</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="900247">SERVER-42899</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="900249">SERVER-42900</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="238970" name="latches-analysis-2019-11-26.yaml" size="20887" author="ben.caimano@mongodb.com" created="Mon, 2 Dec 2019 16:33:56 +0000"/>
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