On Apr 17, 2011, at 11:30 AM, Phoenix Kiula <phoenix.kiula@xxxxxxxxx> wrote: > Sorry, rejuvenating a thread that was basically unanswered. > > I closed the database for any kinds of access to focus on maintenance > operations, killed all earlier processes so that my maintenance is the > only stuff going on. > > REINDEX is still taking 3 hours -- and it is still not finished! > > Similarly, if I cancel the REINDEX and issue a VACUUM ANALYZE VERBOSE, > this too seems to just hang there on my big table. > > I changed the maintenance_work_men to 2GB for this operation. It's > highly worrisome -- the above slow times are with 2GB of my server > dedicated to Postgresql!!!! > > Surely this is not tenable for enterprise environments? I am on a > 64bit RedHat server with dual CPU Intel Woodcrest or whatever that was > called. Postgres is 8.2.9. > > How do DB folks do this with small maintenance windows? This is for a > very high traffic website so it's beginning to get embarrassing. > > Would appreciate any thoughts or pointers. An upgrade would probably help you a lot, and as others have said it sounds like your hardware is failing, so you probably want to deal with that first. I am a bit surprised, however, that no one seems to have mentioned using CLUSTER rather than VACUUM or REINDEX. Sometimes that's worth a try... ...Robert -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance