| From: | amrit(at)health2(dot)moph(dot)go(dot)th |
|---|---|
| To: | Mark Kirkwood <markir(at)coretech(dot)co(dot)nz> |
| Cc: | PGsql-performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Increasing RAM for more than 4 Gb. using postgresql |
| Date: | 2005-01-18 02:35:12 |
| Message-ID: | 1106015712.41ec75e0e1e7f@webmail.moph.go.th |
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| Thread: | |
| Lists: | 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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