On Jan 27, 2008 4:08 PM, Greg Smith <[EMAIL PROTECTED]> wrote:
>
> More segments means more disk space taken up with them and a longer crash
> recovery. Those are the downsides; if you can live with those there's no
> reason to run at <100 if that works for you. Fine-tuning here isn't
> really t
On Fri, 25 Jan 2008, Tory M Blue wrote:
I doubled the checkpoint segments yesterday and have not seen any
warnings. Will run with segments of 100 for a while and see how things
look.. Anyway to make sure that there is not a number between 50 and
100 that makes more sense?
More segments means m
On Jan 24, 2008 10:49 AM, Greg Smith <[EMAIL PROTECTED]> wrote:
> 8.2.1 has a nasty bug related to statistics collection that causes
> performance issues exactly in the kind of heavy update situation you're
> in. That's actually why i asked for the exact 8.2 version. You should
> plan an upgrade
On Thu, 24 Jan 2008, Tory M Blue wrote:
Postg: 8.2.1fc6
8.2.1 has a nasty bug related to statistics collection that causes
performance issues exactly in the kind of heavy update situation you're
in. That's actually why i asked for the exact 8.2 version. You should
plan an upgrade as soon
On Jan 23, 2008 4:31 PM, Greg Smith <[EMAIL PROTECTED]> wrote:
> Generally if you have a system doing many updates and inserts that slows
> for that long, it's because it hit a checkpoint. I'm not sure what your
> memory-related issues are but it's possible that might be from a backlog
> of sessi
On Wed, 23 Jan 2008, Tory M Blue wrote:
I have hundreds of thousands of updates, inserts a day. But what I'm
seeing is my server appears to "deallocate" memory (for the lack of a
better term) and performance goes to heck, slow response, a sub second
query takes anywhere from 6-40 seconds to co
I'm not sure what is going on but looking for some advice, knowledge.
I'm running multiple postgres servers in a slon relationship. I have
hundreds of thousands of updates, inserts a day. But what I'm seeing
is my server appears to "deallocate" memory (for the lack of a better
term) and performanc
