Franck Routier <franck.routier@xxxxxxxxx> writes: > Le 20/03/2014 14:56, Tom Lane a écrit : >> pg_locks, probably. regards, tom lane > select * from pg_stat_activity shows 'F'alse in the waiting column for > the query. Hm. The next most likely theory is that it's waiting on network I/O, but it's hard to tell that from the outside. Can you attach to the stuck backend with gdb and get a stack trace? http://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
