Tom Lane wrote:
> mmiranda@americatel.com.sv writes:
>> Hi, iam running postgresql on two identical dl380 2.4 Xeon with 3gb
>> RAM, i have recently upgraded one of then from redhat 7.3 (kernel
>> 2.4) to gentoo (kernel 2.6), at the same time i upgraded postgres
>> from 7.3 to 8.1, im very disapointed, all the querys are 20-25%
>> slower using the new versions, the following setting are the same in
>> postgresql.conf
>
> You might have forgotten to redo vacuum/analyze after reloading your
> data ...
>
> regards, tom lane
thanks Tom,
Definitely you're the man around here, vacuum/analyze did the trick
BTW, i found this very interresting link, answered my questions about
tunning,
http://www.varlena.com/varlena/GeneralBits/Tidbits/#performance
bye
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