RE: Strange vmstat output. 2.6.10 Scheduler?

[Massimo Cetra]

> It seems strange because iowait is at 90% but nothing is 
> trasnfered to/from disk. Why is that?
> 
> I run postgresql on this server and I'm not satistied by it's speed.
> 
> Single Pentium IV, IDE disk.
> 
> What can be the problem?


I have noticed it several months ago.
Maybe this thread could be useful for you.
http://www.ussg.iu.edu/hypermail/linux/kernel/0408.2/1758.html

According to my tests, 2.4 with -lck still performs better than 2.6, so I
use 2.4 on production DB servers with any DB.

Massimo 

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