"Dmitry E. Oboukhov" <unera@xxxxxxxxxx> writes: > Recently I started a hard query (ALTER TABLE) and then Postgresql was > killed by OOM killer. > ... > 2012-04-15 16:46:02 MSK LOG: server process (PID 825) was terminated by signal 11: Segmentation fault You sure it was an OOM kill? The OOM killer does its dirty work with signal 9 (SIGKILL), not signal 11 (SIGSEGV). regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general