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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-27516] OOM(Out of memory) killer killed mongod process</title>
                <link>https://jira.mongodb.org/browse/SERVER-27516</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi,&lt;br/&gt;
While doing sharding in testing environment,mongod process is being killed by OOM(Out of memory killer) killer.&lt;/p&gt;

&lt;p&gt;Testing environment&lt;br/&gt;
OS:CentOS release 6.7&lt;br/&gt;
Arch:64 Bit&lt;br/&gt;
Ram:16G&lt;/p&gt;

&lt;p&gt;Does anybody have idea on how to prevent OOM from killing mongod process.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Suraj Sawant&lt;/p&gt;</description>
                <environment></environment>
        <key id="341064">SERVER-27516</key>
            <summary>OOM(Out of memory) killer killed mongod process</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="9">Done</resolution>
                                        <assignee username="kelsey.schubert@mongodb.com">Kelsey Schubert</assignee>
                                    <reporter username="sawantsuraj91@gmail.com">Suraj Sawant</reporter>
                        <labels>
                    </labels>
                <created>Mon, 26 Dec 2016 10:04:45 +0000</created>
                <updated>Tue, 3 Jan 2017 23:08:16 +0000</updated>
                            <resolved>Tue, 3 Jan 2017 23:08:16 +0000</resolved>
                                    <version>3.2.3</version>
                                                    <component>Diagnostics</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1468745" author="thomas.schubert" created="Tue, 3 Jan 2017 23:08:06 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sawantsuraj91%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;sawantsuraj91@gmail.com&quot;&gt;sawantsuraj91@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;I&apos;ve examined the diagnostic.data you&apos;ve provided and identified that the machine appears to have 64GB of ram. It appears that MonogoDB does not consume more than ~32GB. Are there any other processes running on this machine?&lt;/p&gt;

&lt;p&gt;At this time, I do not see anything to indicate a bug in the MongoDB server. For MongoDB-related support discussion please post on the &lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-user group&lt;/a&gt; or &lt;a href=&quot;http://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;. A question like this involving more discussion would be best posted on the mongodb-users group.&lt;/p&gt;

&lt;p&gt;Kind regards,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
                            <comment id="1466483" author="sawantsuraj91@gmail.com" created="Thu, 29 Dec 2016 15:24:50 +0000"  >&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;Have attached the tar of diagnostic data of mongo instance which was being killed.&lt;br/&gt;
Pls have a look.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Suraj Sawant&lt;/p&gt;</comment>
                            <comment id="1466363" author="thomas.schubert" created="Thu, 29 Dec 2016 08:14:47 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sawantsuraj91%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;sawantsuraj91@gmail.com&quot;&gt;sawantsuraj91@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Would you please attach an archive of the &lt;tt&gt;diagnostic.data&lt;/tt&gt; directory from your test node, so we can continue investigate?&lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="146799" name="diagnostic.data.gz.tar" size="33684292" author="sawantsuraj91@gmail.com" created="Thu, 29 Dec 2016 15:24:43 +0000"/>
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