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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-39712] Mongodb Too many open files, WT_PANIC: WiredTiger library panic and data corruprion***aborting after fassert() failure</title>
                <link>https://jira.mongodb.org/browse/SERVER-39712</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hello, our database already using sharding and replication, we often find these kind of errors, we attached the details below, some errors like this `Mongodb Too many open files, WT_PANIC: WiredTiger library panic and data corruprion***aborting after fassert() failure`&lt;/p&gt;

&lt;p&gt;often showed up. what should we do to solve it.&lt;/p&gt;

&lt;p&gt;Thanks in advance&lt;/p&gt;</description>
                <environment></environment>
        <key id="701865">SERVER-39712</key>
            <summary>Mongodb Too many open files, WT_PANIC: WiredTiger library panic and data corruprion***aborting after fassert() failure</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="4">Incomplete</resolution>
                                        <assignee username="daniel.hatcher@mongodb.com">Danny Hatcher</assignee>
                                    <reporter username="salamflamo">Salamuddin Pranayan</reporter>
                        <labels>
                    </labels>
                <created>Thu, 21 Feb 2019 11:58:35 +0000</created>
                <updated>Mon, 6 May 2019 19:40:36 +0000</updated>
                            <resolved>Mon, 6 May 2019 19:40:36 +0000</resolved>
                                    <version>4.0.6</version>
                                                    <component>Performance</component>
                    <component>Replication</component>
                    <component>Sharding</component>
                    <component>WiredTiger</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2224755" author="daniel.hatcher" created="Thu, 25 Apr 2019 15:36:42 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=salamflamo&quot; class=&quot;user-hover&quot; rel=&quot;salamflamo&quot;&gt;salamflamo&lt;/a&gt; are you still experiencing this issue?&lt;/p&gt;</comment>
                            <comment id="2179992" author="daniel.hatcher" created="Wed, 13 Mar 2019 18:39:17 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;I&apos;m sorry; we&apos;re still trying to identify what could be causing your open file limit. Could you run the following against your &lt;tt&gt;mongod&lt;/tt&gt; process?&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;ls -l /proc/pid/fd/ | wc -l&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2176467" author="salamflamo" created="Sat, 9 Mar 2019 01:28:47 +0000"  >&lt;p&gt;Hello, I upload a new file with name &quot;mongod.log.2019-03-08T18-23-02&quot; above, please check and you&apos;ll find an error message like this text below. I did all recommendation settings as mongodb website said also repairing the database, but I still got this error :&lt;/p&gt;

&lt;p&gt;2019-03-09T01:22:50.649+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn439&amp;#93;&lt;/span&gt; WiredTiger error (24) &lt;span class=&quot;error&quot;&gt;&amp;#91;1552069370:648313&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;10992:0x7fd71e260700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:index-30471-1406128765714834102.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:index-30471-1406128765714834102.wt&lt;/a&gt;, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-30471-1406128765714834102.wt: handle-open: open: Too many open files Raw: &lt;span class=&quot;error&quot;&gt;&amp;#91;1552069370:648313&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;10992:0x7fd71e260700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:index-30471-1406128765714834102.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:index-30471-1406128765714834102.wt&lt;/a&gt;, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-30471-1406128765714834102.wt: handle-open: open: Too many open files&lt;br/&gt;
2019-03-09T01:22:50.649+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn439&amp;#93;&lt;/span&gt; Failed to open a WiredTiger cursor: table:index-30471-1406128765714834102&lt;br/&gt;
2019-03-09T01:22:50.649+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn439&amp;#93;&lt;/span&gt; This may be due to data corruption. Please read the documentation for starting MongoDB with --repair here: &lt;a href=&quot;http://dochub.mongodb.org/core/repair&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://dochub.mongodb.org/core/repair&lt;/a&gt;&lt;br/&gt;
2019-03-09T01:22:50.653+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn439&amp;#93;&lt;/span&gt; Fatal Assertion 50882 at src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp 143&lt;br/&gt;
2019-03-09T01:22:50.653+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn439&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;

&lt;p&gt;I don&apos;t know what should I do for next way. Could you still help me to fixing this?.&lt;/p&gt;

&lt;p&gt;Thank you for your help.&lt;/p&gt;

&lt;p&gt;Thank you.&lt;/p&gt;</comment>
                            <comment id="2176361" author="daniel.hatcher" created="Fri, 8 Mar 2019 22:02:52 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Are you talking about the following lines?&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;2019-03-08T09:31:08.734+0700 E STORAGE  [initandlisten] WiredTiger error (-31803) [1552012268:734221][9051:0x7f577ecf0b80], file:WiredTiger.wt, WT_CURSOR.next: __schema_create_collapse, 111: metadata information for source configuration &quot;colgroup:collection-198-7499816531420150789&quot; not found: WT_NOTFOUND: item not found Raw: [1552012268:734221][9051:0x7f577ecf0b80], file:WiredTiger.wt, WT_CURSOR.next: __schema_create_collapse, 111: metadata information for source configuration &quot;colgroup:collection-198-7499816531420150789&quot; not found: WT_NOTFOUND: item not found&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;When WiredTiger finds a partial metadata set it prints that informational message, skips that table and keeps going. So we are letting the cursor continue its cursor walk and complete. Consequently, these log lines do not indicate an issue that would prevent startup as MongoDB. In fact, we see that that MongoDB successfully started and began accepting connections. Unfortunately, the node is unable to connect to &lt;tt&gt;shard0013b:27017&lt;/tt&gt; which causes the other errors in the logs.&lt;/p&gt;

&lt;p&gt;From what I can see, from the most recent logs you uploaded your server should be up and functioning correctly. If you have other reasons for thinking there is corruption, please let me know.&lt;/p&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2175452" author="salamflamo" created="Fri, 8 Mar 2019 04:06:09 +0000"  >&lt;p&gt;Hi Danny,&lt;/p&gt;

&lt;p&gt;I already upload files that yor&apos;re requested.&lt;/p&gt;

&lt;p&gt;Please be patient to help me, is there a way to fixing corrupt collection?, from my database some index-xxxx-xxxxxxx.wt was corrupted, I already repair but still corrupt, please help me.&lt;/p&gt;

&lt;p&gt;Thank you very much.&lt;/p&gt;</comment>
                            <comment id="2173151" author="daniel.hatcher" created="Wed, 6 Mar 2019 19:38:53 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;It looks like you are still experiencing &quot;too many open files&quot;:&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;2019-02-28T17:09:37.097+0700 E STORAGE [conn364] WiredTiger error (24) [1551348577:96211][16102:0x7f79ed449700], file:index-16407--4057599699049023237.wt, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-16407--4057599699049023237.wt: handle-open: open: Too many open files Raw: [1551348577:96211][16102:0x7f79ed449700], file:index-16407--4057599699049023237.wt, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-16407--4057599699049023237.wt: handle-open: open: Too many open files&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Please provide the following to our &lt;a href=&quot;https://10gen-httpsupload.s3.amazonaws.com/upload_forms/77242976-2bf2-4588-be2d-0382f7d14f04.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Secure Upload Portal&lt;/a&gt;:&lt;br/&gt;
1. Updated &lt;tt&gt;mongod&lt;/tt&gt; logs&lt;br/&gt;
2. Updated &quot;diagnostic.data&quot;&lt;br/&gt;
3. Output of &lt;tt&gt;cat /proc/&amp;lt;mongod pid&amp;gt;/limits&lt;/tt&gt;&lt;br/&gt;
4. Output of &lt;tt&gt;sysctl -a&lt;/tt&gt;&lt;/p&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2166863" author="salamflamo" created="Thu, 28 Feb 2019 23:09:56 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Thank your for helping me, but I still have the same problem, I think this is because our database has corrupt , sometimes I got an error like this below&lt;/p&gt;

&lt;p&gt;2019-02-28T17:09:37.007+0700 E - &lt;span class=&quot;error&quot;&gt;&amp;#91;ftdc&amp;#93;&lt;/span&gt; Assertion: Location13538: couldn&apos;t open &lt;span class=&quot;error&quot;&gt;&amp;#91;/proc/16102/stat&amp;#93;&lt;/span&gt; Unknown error src/mongo/util/processinfo_linux.cpp 81&lt;br/&gt;
2019-02-28T17:09:37.097+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; WiredTiger error (24) &lt;span class=&quot;error&quot;&gt;&amp;#91;1551348577:96211&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;16102:0x7f79ed449700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:index-16407--4057599699049023237.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:index-16407--4057599699049023237.wt&lt;/a&gt;, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-16407-&lt;del&gt;4057599699049023237.wt: handle-open: open: Too many open files Raw: &lt;span class=&quot;error&quot;&gt;&amp;#91;1551348577:96211&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;16102:0x7f79ed449700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:index-16407--4057599699049023237.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:index-16407--4057599699049023237.wt&lt;/a&gt;, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-16407&lt;/del&gt;-4057599699049023237.wt: handle-open: open: Too many open files&lt;br/&gt;
2019-02-28T17:09:37.097+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; Failed to open a WiredTiger cursor: table:index-16407--4057599699049023237&lt;br/&gt;
2019-02-28T17:09:37.097+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; This may be due to data corruption. Please read the documentation for starting MongoDB with --repair here: &lt;a href=&quot;http://dochub.mongodb.org/core/repair&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://dochub.mongodb.org/core/repair&lt;/a&gt;&lt;br/&gt;
2019-02-28T17:09:37.097+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; Fatal Assertion 50882 at src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp 143&lt;br/&gt;
2019-02-28T17:09:37.098+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;and sometimes I got an error because of WIREDTIGER PANIC .&lt;/p&gt;

&lt;p&gt;Then I continue trying to fixing this problem with &quot;mongod --dbpath /var/lib/mongo --repair&quot;, but I still got the problem with ended like this below &lt;/p&gt;

&lt;p&gt;2019-02-28T17:09:37.097+0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; This may be due to data corruption. Please read the documentation for starting MongoDB with --repair here: &lt;a href=&quot;http://dochub.mongodb.org/core/repair&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://dochub.mongodb.org/core/repair&lt;/a&gt;&lt;br/&gt;
2019-02-28T17:09:37.097+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt; Fatal Assertion 50882 at src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp 143&lt;br/&gt;
2019-02-28T17:09:37.098+0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn364&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;So for now I still has that problem. What should I have to do?&lt;/p&gt;

&lt;p&gt;Please to be patient to help me.&lt;/p&gt;

&lt;p&gt;Thank you.&lt;/p&gt;</comment>
                            <comment id="2166792" author="daniel.hatcher" created="Thu, 28 Feb 2019 22:10:26 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Yes, please use the recommendations in our docs. Per the &lt;tt&gt;man&lt;/tt&gt; page for &lt;a href=&quot;https://linux.die.net/man/8/syscl&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sysctl&lt;/a&gt;, you can use &lt;tt&gt;sysctl -w variable=value&lt;/tt&gt; to change the settings. When you change them, do you still see your issue?&lt;/p&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2165780" author="salamflamo" created="Thu, 28 Feb 2019 07:24:20 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;From default setting here in the below&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;fs.file-max = 3245496&lt;/li&gt;
	&lt;li&gt;kernel.pid_max = 32768&lt;/li&gt;
	&lt;li&gt;kernel.threads-max = 255745&lt;/li&gt;
	&lt;li&gt;vm.max_map_count = 65530&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;So I need&#160; to setting from here &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;https://docs.mongodb.com/manual/administration/production-checklist-operations/&lt;/a&gt; ?&lt;br/&gt;
Thank you very much, I wanna try it.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="2165071" author="daniel.hatcher" created="Wed, 27 Feb 2019 18:49:40 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;I apologize, I should have asked this when I initially asked about ulimits. What is your &lt;tt&gt;kernel.pid_max&lt;/tt&gt; value? You can find it via &lt;tt&gt;sysctl -a&lt;/tt&gt;. Please run that command and if the values do not match the recommendations below from our &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;, please change them.&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;fs.file-max value of 98000&lt;/li&gt;
	&lt;li&gt;kernel.pid_max value of 64000&lt;/li&gt;
	&lt;li&gt;kernel.threads-max value of 64000&lt;/li&gt;
	&lt;li&gt;vm.max_map_count value of 128000&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2163825" author="salamflamo" created="Wed, 27 Feb 2019 01:06:12 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Thank you, I just uploaded , there are 10 files , from diagnostic and log, I just uploaded for log file at 26th feb&lt;/p&gt;

&lt;p&gt;Thank you&lt;/p&gt;</comment>
                            <comment id="2163617" author="daniel.hatcher" created="Tue, 26 Feb 2019 21:47:19 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;You can try increasing that limit but it would be rare for that to be necessary. In order for us to investigate further, please upload your &lt;tt&gt;mongod&lt;/tt&gt; logs and &quot;diagnostic.data&quot; folder (located under your $dbpath) to our &lt;a href=&quot;https://10gen-httpsupload.s3.amazonaws.com/upload_forms/77242976-2bf2-4588-be2d-0382f7d14f04.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Secure Upload Portal&lt;/a&gt;. Only MongoDB engineers will be able to see any files you upload there and the contents will be deleted after some time.&lt;/p&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2162634" author="salamflamo" created="Tue, 26 Feb 2019 07:18:03 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Here when I check.&lt;/p&gt;

&lt;p&gt;Limit Soft Limit Hard Limit Units &lt;br/&gt;
 Max cpu time unlimited unlimited seconds &lt;br/&gt;
 Max file size unlimited unlimited bytes &lt;br/&gt;
 Max data size unlimited unlimited bytes &lt;br/&gt;
 Max stack size 8388608 unlimited bytes &lt;br/&gt;
 Max core file size 0 unlimited bytes &lt;br/&gt;
 Max resident set unlimited unlimited bytes &lt;br/&gt;
 Max processes 64000 64000 processes &lt;br/&gt;
 Max open files 64000 64000 files &lt;br/&gt;
 Max locked memory unlimited unlimited bytes &lt;br/&gt;
 Max address space unlimited unlimited bytes &lt;br/&gt;
 Max file locks unlimited unlimited locks &lt;br/&gt;
 Max pending signals 192378 192378 signals &lt;br/&gt;
 Max msgqueue size 819200 819200 bytes &lt;br/&gt;
 Max nice priority 0 0 &lt;br/&gt;
 Max realtime priority 0 0 &lt;br/&gt;
 Max realtime timeout unlimited unlimited us&lt;/p&gt;

&lt;p&gt;when I see open files it&apos;s just 64000, should I increasing the limit?&lt;/p&gt;

&lt;p&gt;Thank you&lt;br/&gt;
 &#160;&lt;/p&gt;</comment>
                            <comment id="2162019" author="daniel.hatcher" created="Mon, 25 Feb 2019 19:28:14 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Can you please provide the output of the following command when substituting in your &lt;tt&gt;mongod&lt;/tt&gt; pid? This will tell us the ulimits currently being used by the process itself.&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;cat /proc/&amp;lt;mongod pid&amp;gt;/limits&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2159248" author="salamflamo" created="Thu, 21 Feb 2019 23:44:33 +0000"  >&lt;p&gt;Hi, &lt;br/&gt;
I already setting the ulimit like this&lt;/p&gt;

&lt;p&gt;`ulimit -f unlimited -t unlimited -v unlimited -l unlimited -n 64000 -m unlimited -u 64000`&lt;/p&gt;

&lt;p&gt;with guide from this page &lt;a href=&quot;https://docs.mongodb.com/manual/reference/ulimit/index.html#recommended-ulimit-settings&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/manual/reference/ulimit/index.html#recommended-ulimit-settings&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;thank you&lt;/p&gt;</comment>
                            <comment id="2158786" author="daniel.hatcher" created="Thu, 21 Feb 2019 19:05:26 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;You are most likely seeing these messages because your server does not match our recommended &lt;a href=&quot;https://docs.mongodb.com/manual/reference/ulimit/index.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ulimit settings&lt;/a&gt;. If you follow our recommendations on that page, most notably &lt;tt&gt;-n (open files): 64000&lt;/tt&gt;, do you still see these errors?&lt;/p&gt;

&lt;p&gt;Thank you,&lt;/p&gt;

&lt;p&gt;Danny&lt;/p&gt;</comment>
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