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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-33445] Add signal handler to generate stack traces</title>
                <link>https://jira.mongodb.org/browse/SERVER-33445</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Occasionally we need to capture the state of all threads for performance analysis.&lt;br/&gt;
Currently this requires installing `gdb` and running an external script.&lt;/p&gt;

&lt;p&gt;I propose implementing a signal handler calling printStackTrace().&lt;/p&gt;

&lt;p&gt;This would ease diagnostics as we can achieve the same result by issuing a kill signal.&lt;/p&gt;</description>
                <environment></environment>
        <key id="501103">SERVER-33445</key>
            <summary>Add signal handler to generate stack traces</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="billy.donahue@mongodb.com">Billy Donahue</assignee>
                                    <reporter username="kevin.arhelger@mongodb.com">Kevin Arhelger</reporter>
                        <labels>
                            <label>SWDI</label>
                            <label>former-quick-wins</label>
                            <label>gm-ack</label>
                    </labels>
                <created>Thu, 22 Feb 2018 15:34:34 +0000</created>
                <updated>Sun, 29 Oct 2023 22:34:31 +0000</updated>
                            <resolved>Wed, 15 Jan 2020 17:07:27 +0000</resolved>
                                    <version>3.4.13</version>
                    <version>3.6.2</version>
                                    <fixVersion>4.3.3</fixVersion>
                                    <component>Diagnostics</component>
                                        <votes>9</votes>
                                    <watches>20</watches>
                                                                                                                <comments>
                            <comment id="2722257" author="xgen-internal-githook" created="Mon, 13 Jan 2020 17:04:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Billy Donahue&apos;, &apos;email&apos;: &apos;billy.donahue@mongodb.com&apos;, &apos;username&apos;: &apos;BillyDonahue&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33445&quot; title=&quot;Add signal handler to generate stack traces&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33445&quot;&gt;&lt;del&gt;SERVER-33445&lt;/del&gt;&lt;/a&gt; fix markAsStackTraceProcessingThread race&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/efc08efe71bbb872382f174a439b8f288a0ecb3c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/efc08efe71bbb872382f174a439b8f288a0ecb3c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2600120" author="billy.donahue" created="Wed, 11 Dec 2019 22:06:35 +0000"  >&lt;p&gt;Committed as&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4f0b6507d4acd185b4c925c176a5693be339f364&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4f0b6507d4acd185b4c925c176a5693be339f364&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;... which has &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44345&quot; title=&quot;MongoS crash with &amp;quot;BufBuilder attempted to grow()&amp;quot; above 64MB while restarting/upgrading a secondary from 3.4 to 3.6&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44345&quot;&gt;&lt;del&gt;SERVER-44345&lt;/del&gt;&lt;/a&gt;&quot; as a typo in its git description so was misfiled by the jira bot.&lt;/p&gt;</comment>
                            <comment id="2002411" author="greg.mckeon" created="Thu, 13 Sep 2018 20:21:07 +0000"  >&lt;p&gt;This has turned out to be blocked on the third party upgrades project.&lt;/p&gt;</comment>
                            <comment id="1833784" author="bruce.lucas@10gen.com" created="Wed, 14 Mar 2018 17:36:13 +0000"  >&lt;p&gt;Similar to the request in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33880&quot; title=&quot;Log currentOp information to mongod log&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33880&quot;&gt;SERVER-33880&lt;/a&gt; it would be useful to collect stack traces at various times when we detect problems - for example, when clean shutdown is attempted but stalls.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                            <outwardlinks description="depends on">
                                        <issuelink>
            <issuekey id="572844">SERVER-36178</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="575028">SERVER-36242</issuekey>
        </issuelink>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="518780">SERVER-34190</issuekey>
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                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="1361806">SERVER-48396</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="511309">SERVER-33880</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="454423">SERVER-31814</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="239195" name="test.out.txt" size="3181" author="billy.donahue@mongodb.com" created="Wed, 4 Dec 2019 01:23:06 +0000"/>
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