On Wed, Oct 1, 2014 at 9:43 PM, Rodrigo Barboza <rodrigombu...@gmail.com> wrote:
> Hello, I have a table that receives lots of updates and inserts. > Auto vaccum is always being cancelled on that table. > Do you have a scheduled task that clusters or reindexes the table? Newer versions of PostgreSQL will log the conflicting statement that caused the vacuum to cancel. > One day the database went on standby and I had to act manually to recover. > I'm not sure what that means. Do you mean it stopped accepting commands to prevent "wrap around" data loss? Once autovacuum starts running on a table in "prevent wrap around", then it no longer voluntarily yields to other processes trying to take a conflicting lock. > > What should I do to avoid auto vaccum cancel? > If you have scheduled jobs that do something on the table that requires a lock which conflicts with autovac, then you might want to include a manual VACUUM in that job. Also, what full version are you running? Cheers, Jeff