On Wed, Oct 9, 2013 at 02:11:47PM -0700, Josh Berkus wrote: > On 10/09/2013 01:37 PM, Peter Geoghegan wrote: > > If Heroku could increase maintenace_work_mem without having it affect > > the amount of memory used by autovacuum workers, I'm fairly confident > > that our setting would be higher. Sure, you can just increase it as > > you need to, but you have to know about it in the first place, which > > is asking too much of many people tasked with semi-routine maintenance > > tasks like creating indexes. > > Personally, I never got why we used maint_work_mem instead of work_mem > for bulk-loading indexes. What was the reason there?
Because 'maintenance' operations were rarer, so we figured we could use more memory in those cases. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers