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From "Matthias Otto (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13663) Cassandra 3.10 crashes without dump
Date Tue, 04 Jul 2017 08:58:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Otto updated CASSANDRA-13663:
--------------------------------------
    Description: 
Hello. My company runs a 5 node Cassandra cluster. For the last few weeks, we have had a sporadic
issue where one of the servers crashes without creating a dump file and without any error
messages in the logs. If one restarts the service (which we have by now scripted to happen
automatically), the servers resumes work with no complaint.

Log files of the time of the last crash are attached, thou again they do not log any crash
happening.

Regarding out setup, we are running these servers on AMazon AWS, with 3 volumes per server,
one for the system, one for data and one for the commitlog. When a crash happens, we can observe
a sudden spike of read activity on the commitlog volume. All of these have ample free space.

The servers are Ubuntu 16.04 servers and Cassandra is installed from the apt-get packet for
version 3.10.

It is worth noting that these crashes happen more often when nodetool is running either repair
job or a backup job, but this is by no means always the case. As for frequency, we have had
about 1-2 crashes per week for the last month.

  was:
Hello. My company runs a 5 node Cassandra cluster. For the last few weeks, we have had a sporadic
issue where one of the servers crashes without creating a dump file and without any error
messages in the logs. If one restarts the service (which we have by now scripted to happen
automatically), the servers resumes work with no complaint.

Log files of the time of the last crash are attached, thou again they do not log any crash
happening.

Regarding out setup, we are running these servers on AMazon AWS, with 3 volumes per server,
one for the system, one for data and one for the commitlog. When a crash happens, we can observe
a sudden spike of read activity on the commitlog volume.

The servers are Ubuntu 16.04 servers and Cassandra is installed from the apt-get packet for
version 3.10.

It is worth noting that these crashes happen more often when nodetool is running either repair
job or a backup job, but this is by no means always the case. As for frequency, we have had
about 1-2 crashes per week for the last month.


> Cassandra 3.10 crashes without dump
> -----------------------------------
>
>                 Key: CASSANDRA-13663
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13663
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Matthias Otto
>            Priority: Minor
>         Attachments: 2017-07-04 10_48_34-CloudWatch Management Console.png, cassandra
debug.log, cassandra system.log
>
>
> Hello. My company runs a 5 node Cassandra cluster. For the last few weeks, we have had
a sporadic issue where one of the servers crashes without creating a dump file and without
any error messages in the logs. If one restarts the service (which we have by now scripted
to happen automatically), the servers resumes work with no complaint.
> Log files of the time of the last crash are attached, thou again they do not log any
crash happening.
> Regarding out setup, we are running these servers on AMazon AWS, with 3 volumes per server,
one for the system, one for data and one for the commitlog. When a crash happens, we can observe
a sudden spike of read activity on the commitlog volume. All of these have ample free space.
> The servers are Ubuntu 16.04 servers and Cassandra is installed from the apt-get packet
for version 3.10.
> It is worth noting that these crashes happen more often when nodetool is running either
repair job or a backup job, but this is by no means always the case. As for frequency, we
have had about 1-2 crashes per week for the last month.



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