[PERFORM] index growth problem

2006-10-18 Thread Graham Davis
I have a question about index growth. The way I understand it, dead tuples in indexes were not reclaimed by VACUUM commands in the past. However, I've read in a few forum posts that this was changed somewhere between 7.4 and 8.0. I'm having an issue where my GIST indexes are growing quite

Re: [PERFORM] index growth problem

2006-10-18 Thread Jim C. Nasby
On Wed, Oct 18, 2006 at 03:20:19PM -0700, Graham Davis wrote: I have a question about index growth. The way I understand it, dead tuples in indexes were not reclaimed by VACUUM commands in the past. However, I've read in a few forum posts that this was changed somewhere between 7.4 and

Re: [PERFORM] index growth problem

2006-10-18 Thread Graham Davis
So I guess any changes that were made to make VACUUM and FSM include indexes does not remove the necessity to reindex (as long as we don't want index sizes to bloat and grow larger than they need be). Is that correct? Graham. Jim C. Nasby wrote: On Wed, Oct 18, 2006 at 03:20:19PM -0700,

Re: [PERFORM] index growth problem

2006-10-18 Thread Jim C. Nasby
On Wed, Oct 18, 2006 at 03:39:56PM -0700, Graham Davis wrote: So I guess any changes that were made to make VACUUM and FSM include indexes does not remove the necessity to reindex (as long as we don't want index sizes to bloat and grow larger than they need be). Is that correct? Not in

Re: [PERFORM] index growth problem

2006-10-18 Thread Tom Lane
Jim C. Nasby [EMAIL PROTECTED] writes: On Wed, Oct 18, 2006 at 03:20:19PM -0700, Graham Davis wrote: When I run the same command to find the size after the VACUUM, it hasn't changed. That's not really a useful test to see if VACUUM is working. VACUUM can only trim space off the end of a