Subject: Re: [GENERAL] intel vs amd benchmark for pg server part 2
From: Vic Cekvenich <vic@basebeans.com>
===
Or a disk caching controler (like Mylex or Penging Computing)
Any DB is IO bound.
Michael Loftis wrote:
>
>
> Curt Sampson wrote:
>
>> On Fri, 26 Apr 2002 postgres@vrane.com wrote:
>>
>>> Another gripe I have is that vacuum process does not eat up 100%
>>> of cpu. In the beginning it peaks around 80% and at the end
>>> it is stuck around 20%.
>>>
>>
>> That's because your disk subsystem is too slow for the machine.
>> Put in a disk subsystem that doesn't slow down the machine, and
>> you'll use all your CPU.
>>
>> Then you can complain about not using all your disk I/O capacity.
>>
>> Performance bottlenecks never go away. You can only move them around.
>>
> Thats why we all call it "chasing the brass ring" :)
>
>>
>> cjs
>>
>
>
>
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