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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-40626] mongodb on secendary server(3 node replication) goes down everyday</title>
                <link>https://jira.mongodb.org/browse/SERVER-40626</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi, &lt;br/&gt;
We have a 3 node mongo replication( a primary, a secondary and an arbiter).&lt;br/&gt;
Mongodb on the secondary node goes down repetedly.&lt;/p&gt;

&lt;p&gt;I attached a part of the log file in the secondary server and my secondary node&apos;s config file.&lt;/p&gt;

&lt;p&gt;Questions are:&lt;/p&gt;

&lt;p&gt;1- What is the reason of mongo death in this machine?&lt;/p&gt;

&lt;p&gt;2- Is it possible that &quot;we have network problem and the secondary node cant connect to the primary node&quot;?&lt;br/&gt;
3- How can I solve this problem?&lt;/p&gt;

&lt;p&gt;Thanks,&lt;/p&gt;</description>
                <environment></environment>
        <key id="737644">SERVER-40626</key>
            <summary>mongodb on secendary server(3 node replication) goes down everyday</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="eric.sedor@mongodb.com">Eric Sedor</assignee>
                                    <reporter username="vayeghani">saeed</reporter>
                        <labels>
                    </labels>
                <created>Fri, 12 Apr 2019 18:59:00 +0000</created>
                <updated>Mon, 24 Jun 2019 16:14:20 +0000</updated>
                            <resolved>Mon, 24 Jun 2019 16:14:20 +0000</resolved>
                                    <version>4.0.8</version>
                                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="2294993" author="eric.sedor" created="Mon, 24 Jun 2019 16:14:20 +0000"  >&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;We haven&#8217;t heard back from you for some time, so I&#8217;m going to mark this ticket as resolved. If this is still an issue for you, please provide additional information and we will reopen the ticket.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Eric&lt;/p&gt;</comment>
                            <comment id="2264470" author="eric.sedor" created="Wed, 29 May 2019 21:40:23 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;We still need additional information to investigate the Secondary machine failure you mentioned most recently. If this is still an issue for you, would you please provide more detail about what failure the Secondary experienced and when?&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Eric&lt;/p&gt;</comment>
                            <comment id="2219600" author="eric.sedor" created="Fri, 19 Apr 2019 19:47:35 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=vayeghani&quot; class=&quot;user-hover&quot; rel=&quot;vayeghani&quot;&gt;vayeghani&lt;/a&gt;, inability to communicate with a node in a replica set can have several implications. Can you clarify the specific failure you are referring to?&lt;/p&gt;

&lt;p&gt;Please keep in mind the SERVER project is for bugs and feature suggestions for the MongoDB server. It is not the best place to troubleshoot potential configuration or system issues.  For help troubleshooting what could be expected replica set behavior (especially involving &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/add-replica-set-arbiter/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;arbiters&lt;/a&gt; I encourage you to ask our community by posting on the &lt;a href=&quot;https://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 on &lt;a href=&quot;https://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;. If you are able to narrow things down to a specific unexpected failure we would be able to look in more detail.&lt;/p&gt;</comment>
                            <comment id="2216767" author="vayeghani" created="Wed, 17 Apr 2019 17:30:30 +0000"  >&lt;p&gt;Thank you for your reply. &lt;/p&gt;

&lt;p&gt;So, Is it possible that network connection makes mongo secondary machine to fail repeatedly???&lt;/p&gt;</comment>
                            <comment id="2215721" author="eric.sedor" created="Tue, 16 Apr 2019 20:36:00 +0000"  >&lt;p&gt;Initially, we don&apos;t see anything to suggest a bug. &lt;tt&gt;Signal 15 (Terminated)&lt;/tt&gt; in the logs indicates another process is sending a SIGTERM signal to &lt;tt&gt;mongod&lt;/tt&gt;. This may or may not be &lt;tt&gt;systemd&lt;/tt&gt; as in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32892&quot; title=&quot;Unexpected Shutdown Version 3.6&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32892&quot;&gt;&lt;del&gt;SERVER-32892&lt;/del&gt;&lt;/a&gt;. Can you let us know if you have reason to suspect a bug in MongoDB?&lt;/p&gt;</comment>
                            <comment id="2212229" author="vayeghani" created="Sat, 13 Apr 2019 05:51:30 +0000"  >&lt;p&gt;Thank you for your support.&lt;/p&gt;

&lt;p&gt;yes, it is the complete logs for one of the times that mongo goes down and after these logs I have nothing until start mongo again. I attached the complete log file of our server here.&#160;&lt;br/&gt;
I also attached the diagnostic.data.&#160;&lt;/p&gt;

&lt;p&gt;Best Regards,&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="2212029" author="eric.sedor" created="Fri, 12 Apr 2019 21:26:56 +0000"  >&lt;p&gt;Can you also clarify the logs provided? Are these the complete logs for that time range and are you reporting that the server stops at the end of this log with no further activity logged?&lt;/p&gt;

&lt;p&gt;Would you please archive (tar or zip) the &lt;tt&gt;$dbpath/diagnostic.data&lt;/tt&gt; directory (described &lt;a href=&quot;https://docs.mongodb.com/manual/administration/analyzing-mongodb-performance/#full-time-diagnostic-data-capture&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;) and attach it to this ticket?&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="213974" name="diagnostic.z01" size="104857600" author="vayeghani" created="Sat, 13 Apr 2019 06:22:01 +0000"/>
                            <attachment id="213973" name="diagnostic.z02" size="104857600" author="vayeghani" created="Sat, 13 Apr 2019 06:21:51 +0000"/>
                            <attachment id="213972" name="diagnostic.zip" size="3034995" author="vayeghani" created="Sat, 13 Apr 2019 06:14:44 +0000"/>
                            <attachment id="213935" name="mongod.conf" size="616" author="vayeghani" created="Fri, 12 Apr 2019 18:57:13 +0000"/>
                            <attachment id="213934" name="mongod.log" size="55872" author="vayeghani" created="Fri, 12 Apr 2019 18:57:14 +0000"/>
                            <attachment id="213971" name="mongod.log.zip" size="19917857" author="vayeghani" created="Sat, 13 Apr 2019 05:52:36 +0000"/>
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