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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-76846] Missing gdb/hang-analyser utilities for debugging the admission control subsystem</title>
                <link>https://jira.mongodb.org/browse/SERVER-76846</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The admission control subsystem was placed deep in the lock manager code path so it depends a lot on the kind of locking that an operation does and on properties of the operation context. Because of this it is very difficult when looking at a core dump from a timed out test to know what thread owns what and we lack the gdb scripts and the hang-analyser integration to help navigate it. This became evident during the investigation of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-76834&quot; title=&quot;Circular wait dependency between PBWM and ticket acquisition&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-76834&quot;&gt;&lt;del&gt;SERVER-76834&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This ticket is a request to add utilities to gdb which at least can show the following:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Dump all threads that are holding or waiting on a ticket and what kind&lt;/li&gt;
	&lt;li&gt;Dump all threads that are waiting on a ticket while they hold a lock/mutex/etc.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2332148">SERVER-76846</key>
            <summary>Missing gdb/hang-analyser utilities for debugging the admission control subsystem</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
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                <created>Thu, 4 May 2023 15:40:23 +0000</created>
                <updated>Tue, 9 May 2023 15:31:54 +0000</updated>
                                                                                                <votes>0</votes>
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