Re: Increasing RAM for more than 4 Gb. using postgresql

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От amrit@health2.moph.go.th
Тема Re: Increasing RAM for more than 4 Gb. using postgresql
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Msg-id 1106015712.41ec75e0e1e7f@webmail.moph.go.th
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Ответ на Re: Increasing RAM for more than 4 Gb. using postgresql  (Mark Kirkwood <markir@coretech.co.nz>)
Ответы Re: Increasing RAM for more than 4 Gb. using postgresql  (Mark Kirkwood <markir@coretech.co.nz>)
Re: Increasing RAM for more than 4 Gb. using postgresql  (William Yu <wyu@talisys.com>)
Re: Increasing RAM for more than 4 Gb. using postgresql  (Martin Tedjawardhana <bitboxx@gmail.com>)
Список pgsql-performance
> I understand that the 2.6.* kernels are much better at large memory
> support (with respect to performance issues), so unless you have a
> 64-bit machine lying around - this is probably worth a try.
>
> You may need to build a new kernel with the various parameters :
>
> CONFIG_NOHIGHMEM
> CONFIG_HIGHMEM4G
> CONFIG_HIGHMEM64G
>
> set appropriately (or even upgrade to the latest 2.6.10). I would expect
> that some research and experimentation will be required to get the best
> out of it - (e.g. the 'bounce buffers' issue).

In the standard rpm FC 2-3 with a newly install server , would it automatically
detect and config it if I use the mechine with > 4 Gb [6Gb.] or should I
manually config it?
Amrit
Thailand

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