Running with ulimit ...
echo "setting max user processes to unlimited..."
ulimit -u unlimited
echo -n "$PSQL_START"
su -l postgres -s /bin/sh -c "$PGLIB/bin/pg_ctl -D $PGDATA -p
$PGLIB/bin/postmaster -o '-i' start > $PGDATA/log/syslog 2>&1" <
/dev/null
but still no core. I can't product that bt. Any suggestions?
--- Tom Lane <tgl@sss.pgh.pa.us> wrote:
> David Link <dvlink@yahoo.com> writes:
> > [4] LOG: pq_recvbuf: unexpected EOF on client connection
> > [4] LOG: server process (pid 28353) was terminated by signal 11
> > [5] LOG: terminating any other active server processes
>
> That's not what I would call a "scaling issue" :-(
>
> Can you get us a stack backtrace from the crashed backend? Since
> this is linux, you probably aren't getting core files (look for
> $PGDATA/base/nnnnnn/core) --- if not, restart the postmaster under
> "ulimit -c unlimited" (best to add that to its startup script).
> Once you have a core file, try
>
> gdb /path/to/postgres-executable /path/to/core-file
> gdb> bt
> gdb> p debug_query_string
> gdb> quit
>
> It would also be worthwhile to enable log_statement in
> postgresql.conf
> so that you can get more info on the command or series of commands
> that
> leads up to the crash.
>
> Also, if you compiled Postgres yourself, it would be worth the
> trouble
> to recompile with --enable-debug and --enable-cassert added to
> whatever
> configure parameters you used before. I'm not sure what it takes to
> do
> the equivalent in an RPM-based installation.
>
> regards, tom lane
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