HI, I have a vacuum process that has been running on a table for the past 20 days. The server is postgres 8.3 on ubuntu linux. Can I safely kill the vacuum with: select pg_cancel_backend(26433) Some stats The table sees ~5million and not more than ~10million updates month $ ps aux | grep 26433 postgres 26433 0.0 1.5 35468848 2012212 ? Ss Apr08 26:00 postgres: autovacuum worker process foo foo=# select procpid, now() - query_start, query_start, current_query from pg_stat_activity where current_query != '<IDLE>'order by 1 desc; procpid | ?column? | query_start | current_query ---------+-------------------------+-------------------------------+--------------------------------------------------------------------------------------------------------------------------------------- 26433 | 20 days 20:11:32.386244 | 2010-04-08 14:19:59.298784-07 | autovacuum: VACUUM ANALYZE public.message Thanks, Jason -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin