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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-37820] Restarting oplog query due to error: NetworkInterfaceExceededTimeLimit: error in fetcher batch callback: Operation timed out</title>
                <link>https://jira.mongodb.org/browse/SERVER-37820</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Secondary node failed to sync data and crashed&lt;/p&gt;

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

&lt;p&gt;attached files include secondary mongod.log and diagnostic.data file. hope these helps&lt;/p&gt;

&lt;p&gt;my system is centOS 6 2Core CPU 4GB Ram&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="626699">SERVER-37820</key>
            <summary>Restarting oplog query due to error: NetworkInterfaceExceededTimeLimit: error in fetcher batch callback: Operation timed out</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="9">Done</resolution>
                                        <assignee username="daniel.hatcher@mongodb.com">Danny Hatcher</assignee>
                                    <reporter username="gen">gen</reporter>
                        <labels>
                    </labels>
                <created>Tue, 30 Oct 2018 15:48:44 +0000</created>
                <updated>Wed, 31 Oct 2018 15:56:12 +0000</updated>
                            <resolved>Tue, 30 Oct 2018 17:17:14 +0000</resolved>
                                    <version>3.6.8</version>
                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="2047602" author="gen" created="Wed, 31 Oct 2018 15:56:12 +0000"  >&lt;p&gt;Hi Danny,&lt;/p&gt;

&lt;p&gt;after upgrading memory to 8GB, and restart mongod (without deleting files in db path) the secondary node turned into SECONDARY successfully.&lt;/p&gt;

&lt;p&gt;it looks like the insufficient HW resource casued this problem, now the secondary node works correctly.&lt;/p&gt;

&lt;p&gt;thanks for you help.&lt;/p&gt;</comment>
                            <comment id="2047429" author="daniel.hatcher" created="Wed, 31 Oct 2018 14:34:30 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;blockquote&gt;
&lt;p&gt;could i say this mongod process killed by CPU usage limitation in my case? could advise what CPU should i use for this situation? &lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;Unfortunately, it appears there was some other activity on the server that caused the &lt;tt&gt;mongod&lt;/tt&gt; to crash. Because I am not aware of what the other activity was, I cannot give a good estimate on what CPU to use.&lt;/p&gt;

&lt;blockquote&gt;
&lt;p&gt;If I restart mongod, the sync procedure will continue?&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;I would recommend fully deleting everything in the data directory and running a clean initial sync. That will ensure that there is no corruption as a result of the crash.&lt;/p&gt;

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

&lt;p&gt;Danny&lt;/p&gt;</comment>
                            <comment id="2047038" author="gen" created="Wed, 31 Oct 2018 01:31:10 +0000"  >&lt;p&gt;Thanks Daniel for your quick response. could i say this mongod process killed by CPU usage limitation in my case? could advise what CPU should i use for this situation?&#160;&lt;/p&gt;

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

&lt;p&gt;If I restart mongod, the sync procedure will continue?&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="2046415" author="daniel.hatcher" created="Tue, 30 Oct 2018 17:17:05 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;From a look through the logs and diagnostics, it appears that there was a sudden spike in CPU usage and reads from the disk named &lt;tt&gt;vda&lt;/tt&gt;. This appears to be unrelated to MongoDB itself as it was still replicating so I would recommend investigating what other processes may have been involved on the server at that time.&lt;/p&gt;

&lt;p&gt;As I do not see anything to indicate a bug in the MongoDB server, I will be closing this ticket. For MongoDB-related support discussion please post 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 &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;. A question like this involving more discussion would be best posted on the mongodb-user group.&lt;/p&gt;

&lt;p&gt;See also our &lt;a href=&quot;https://docs.mongodb.org/manual/support&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Support page&lt;/a&gt; for additional support resources.&lt;/p&gt;

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

&lt;p&gt;Danny&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="199887" name="metrics.2018-10-30T01-09-14Z-00000" size="1150531" author="gen" created="Tue, 30 Oct 2018 15:45:36 +0000"/>
                            <attachment id="199888" name="mongod.log" size="3435213" author="gen" created="Tue, 30 Oct 2018 15:45:31 +0000"/>
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&lt;p&gt;2) setup initiate it as replica set, and play primary role&lt;/p&gt;

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