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From Vara Kumar <>
Subject Re: cassandra just heap dump, no log info
Date Wed, 18 Sep 2013 12:47:48 GMT
Check if java process got crashed. You can find hs_err*.log file in root
directory or cassandra working directory or temporary files directory.
Information in this log file can give an idea about failure.

On Wed, Sep 18, 2013 at 5:51 PM, Hiller, Dean <> wrote:

> Anyone know how to debug cassandra processes just exiting?  There is no
> info in the cassandra logs and there is no heap dump file(which in the past
> has shown up in /opt/cassandra/bin directory for me).
> This occurs when running a map/reduce job that put severe load on the
> system.  The logs look completely fine.  I find it odd
>  1.  No logs of why it exited at all
>  2.  No heap dump which would imply there would be no logs as it crashed
> Is there any other way a process can die and linux would log it somehow?
>  (like running out of memory)
> Thanks,
> Dean

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