Spiros Ioannou <siv...@inaccess.com> writes: > We upgraded to 9.4.4 from 8.4 We have tried 9.3.x in the past with success. > Unfortunately in 9.4 gets stuck 2-3 times a week.
> Lots of queries seem stuck, that is they have waiting:false. Queries can be > COMMIT or INSERT. > No blocking locks seem to exist. > strace reveals that all stuck processes they are in semop > semop(2064417, {{0, -1, 0}}, 1^C <unfinished ...> Stack traces of the stuck processes might help determine what's going on. https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend Please try to capture traces for both the COMMIT and INSERT cases, as they're almost certainly different. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general