Re: [PERFORM] How long it takes to vacuum a big table

2005-10-28 Thread Jan Peterson
We've also experienced problems with VACUUM running for a long time. A VACUUM on our pg_largeobject table, for example, can take over 24 hours to complete (pg_largeobject in our database has over 45million rows). With our other tables, we've been able to partition them (using inheritance) to keep

[PERFORM] How long it takes to vacuum a big table

2005-10-28 Thread Csaba Nagy
Hi all, I wonder what is the main driving factor for vacuum's duration: the size of the table, or the number of dead tuples it has to clean ? We have a few big tables which are also heavily updated, and I couldn't figure out a way to properly vacuum them. Vacuuming any of those took very long amo