Re: increasing shared buffers: how much should be removed

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On 9/1/06, Joshua D. Drake <jd@xxxxxxxxxxxxxxxxx> wrote:
>>
>> I think 'shared buffers' is one of the most overrated settings from a
>> performance standpoint.  however you must ensure there is enough for
>> things the server does besides caching.  It used to be a bigger deal
>> than it is in modern versionf of postgresql modern operating systems.

Previous to 8.1 I would agree with you, but as of 8.1 it is probably the
most underrated.

really? what are the relative advantages of raising shared buffers?  I
was thinking maybe there might be less context switches in high load
environments...I'm really curious what you have to say here.

merlin


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