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    <title>MongoDB Jira</title>
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    <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>[DOCS-9057] Recommendations to disable core dumps on production systems</title>
                <link>https://jira.mongodb.org/browse/DOCS-9057</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;Currently, only the &lt;a href=&quot;https://docs.mongodb.com/manual/release-notes/3.2-upgrade/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;3.2 Upgrade Document&lt;/a&gt; recommends disabling core dumps in production systems.&lt;/p&gt;

&lt;p&gt;Could we also update the &lt;a href=&quot;https://docs.mongodb.com/manual/administration/production-notes/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Production notes&lt;/a&gt; and/or the &lt;a href=&quot;https://docs.mongodb.com/manual/administration/production-checklist-operations/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Operations Checklist&lt;/a&gt; to include the recommendation to disable core dumps on production systems?&lt;/p&gt;

&lt;p&gt;On the &lt;a href=&quot;https://docs.mongodb.com/manual/reference/ulimit/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Unix ulimit Settings&lt;/a&gt; page there is a sample output (which includes a core limit of 0) which looks like a recommendation but it&apos;s not really clear.&lt;/p&gt;

&lt;p&gt;This is usually done with &lt;tt&gt;ulimit -c 0&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;Under Ubuntu, if the &lt;tt&gt;sysctl&lt;/tt&gt; &lt;tt&gt;kernal.core_pattern = |/usr/share/apport/apport %p %s %c&lt;/tt&gt; (which is the default core_pattern) then &lt;tt&gt;apport&lt;/tt&gt; would be triggered and would write a crash report even if core ulimit is set to 0 (documented on &lt;a href=&quot;https://wiki.ubuntu.com/Apport#Crash_interception&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;apport webpage&lt;/a&gt;). In addition to writing the crash report, if a process crashes, it must wait for &lt;tt&gt;apport&lt;/tt&gt; before it can finish exiting, which might take some time.&lt;/p&gt;

&lt;p&gt;One way to stop &lt;tt&gt;apport&lt;/tt&gt; from being triggered is to set:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;sudo sysctl -w kernel.core_pattern=&quot;core.%e.%p.%h.%t&quot;&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;</description>
                <environment></environment>
        <key id="320002">DOCS-9057</key>
            <summary>Recommendations to disable core dumps on production systems</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="amar.hamzeh@mongodb.com">Amar Hamzeh</reporter>
                        <labels>
                            <label>bite-sized</label>
                            <label>docs-prod-notes-cleanup</label>
                    </labels>
                <created>Fri, 30 Sep 2016 01:21:20 +0000</created>
                <updated>Mon, 30 Oct 2023 22:25:17 +0000</updated>
                                                            <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4940887" author="edu.bot" created="Mon, 31 Oct 2022 16:12:22 +0000"  >&lt;p&gt;Hello! This ticket has been closed due to inactivity. If you believe this ticket is still important, please reopen it and leave a comment to explain why. Thank you!&lt;/p&gt;</comment>
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