Tatsuo Ishii wrote:
>
>
> Thanks to everyone. Here are the methods I used for testings including
> generating graphs (actually very simple).
>
> (1) Tweak postgresql.conf to allow large concurrent users. I tested up
> to 1024 on AIX, but for the comparison I think testing up to 128
> users is enough. Here are example settings:
>
> max_connections = 128
> shared_buffers = 4096
> deadlock_timeout = 100000
>
> You might want to tweak wal_sync_method to get the best
> performance. However this should not affect the comparison between
> 7.1 and 7.2.
>
> (2) Run:
>
> sh bench.sh
I have no more time today, but I'll redo the tests with your script
tomorrow
(after I have found where to stick database name and port :)
----------------
Hannu