OK - thank you. Your short confusion actually helped clear up some of mine
- not all, but enough for this trip.
We will try 512M of main and keep a close eye on swap for now.
Bruce
Adam Thornton
<athorn...@sineno
mine.net> To
Sent by: Linux on [email protected]
390 Port cc
<[email protected]
IST.EDU> Subject
Re: DB2 on z/VM & SuSE 10.2 "box"
sizing - starter values ?
05/19/2009 02:48
PM
Please respond to
Linux on 390 Port
<[email protected]
IST.EDU>
On May 19, 2009, at 2:11 PM, [email protected] wrote:
> Bear with me while I'm learning, please.
> you say to reduce the real for my virtual machine from 246900k and
> the swap
> from 3G ? My DB2 is already complaining that there is not enough
> memory to
> allocate any bufferpools - so I would have guessed growing the real
> to 1G.
>
> Maybe you were looking at the LPAR allocation for z/VM where the
> sysprog
> gave VM 9G of cstor and 3G of estor ?
I was looking at 2 and 3, which are large, and I mentally inserted
another 0 on the main stor of the first one.
250M is probably kind of tight, actually; I was reading as 2.5GB. My
mistake; thanks for the correction.
256-512MB usually seem like good starting points to me, but some loads
really do require more. Start #2 at 512MB and see where that takes
you. If you need more, you need more.
No need to reduce swap, as long as you have page space to cover it.
Although I'd do a smallish higher-priority space for "normal heavy
load" conditions, and a larger one for "extraordinary load" conditions.
Adam
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