=?iso-8859-1?q?Clodoaldo=20Pinto=20Neto?= <clodoaldo_pinto@yahoo.com.br> writes:
> --- Tom Lane <tgl@sss.pgh.pa.us> escreveu:
>> Look in the postmaster's log to see what happened.
> LOG: server process (PID 9576) was terminated by signal 9
Well, there's a smoking gun ...
Assuming that you didn't deliberately kill -9 your server process,
the only mechanism I've heard of that causes this is the Linux kernel's
out-of-memory killer --- see
http://www.postgresql.org/docs/7.4/static/kernel-resources.html#AEN17068
Googling for "OOM kill" will give you additional gory details :-(.
regards, tom lane