On Mar 5, 2007, at 2:48 AM, Galy Lee wrote:
> (2) interrupt VACUUM when it is running.
> Another approach is to interrupt the running VACUUM. VACUUM checks
> for a smart stop request at normal vacuum delay points, if such a
> request is detected, a flag is set to tell VACUUM to stop at a
> right
> point. VACUUM stops at the end of one full fill-workmem-clean-index
> -clean-deadtuple cycle.
What about 2a: when an interrupt is requested, if the heap scan i sin
progress stop it immediately and proceed to index cleanup, rather
than waiting for maintenance_work_mem to fill.
--
Jim Nasby jim@nasby.net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)