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 <dean.hil...@nrel.gov> 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 >