Jean-Christophe Praud <jc@xxxxxxxxx> writes: > Indeed, the tables I tried to vacuum have locks on them. > AccessShareLock belonging to queries which seem sleeping. I tried to > kill these queries but pg_cancel_backend() has no effect, and the > process doesn't get the 15 signal. > How can I get rid of these blocking queries without restarting the > server ? They are not listed as "waiting" in pg_stat_activity. Have you tried killing the connected client sessions? 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