Skip site navigation (1) Skip section navigation (2)

Re: Index bloat, reindex weekly, suggestions etc?

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Tory M Blue" <tmblue(at)gmail(dot)com>,<pgsql-performance(at)postgresql(dot)org>
Subject: Re: Index bloat, reindex weekly, suggestions etc?
Date: 2008-10-17 16:30:07
Message-ID: 48F8773F.EE98.0025.0@wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-performance
>>> "Tory M Blue" <tmblue(at)gmail(dot)com> wrote: 
 
> tell me if i should plan upgrades to 8.3.4..
 
It's a good idea.  It should be painless -- drop in and restart.
 
> After Reindex
> My Indexes
> 1.5G    /data/clsindex
> 
> After 2 weeks
> My indexes
> 6.8G    /data/clsindex
> 
> This is 2 weeks. and throughout those  2 weeks I can see performance
> degrading. In fact I just bumped the memory footprint of my server
to
> 32gigs from 8gigs
 
Make sure that effective_cache_size reflects this.
 
> This is a transactional DB with over 800K updates happening each
day.
> tons of updates and deletes. autovac is on and I do a analyze each
> night after the dump
 
Make sure that you run as VACUUM ANALYZE VERBOSE and look at the last
few lines; you might need to increase your free space manager
allocations.
 
-Kevin

In response to

Responses

pgsql-performance by date

Next:From: Tory M BlueDate: 2008-10-17 16:47:49
Subject: Re: Index bloat, reindex weekly, suggestions etc?
Previous:From: Lincoln YeohDate: 2008-10-17 16:12:02
Subject: Re: Drupal and PostgreSQL - performance issues?

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group