AIX supports async I/O on JFS - this is done by async I/O servers - kinda
like dbwriter I/O slaves.
However, each async I/O server takes up about 10MB of process memory (we
once had about 600 running - that's
about 6GB of memory gone for async I/O slaves :-) )
"Noons" <nsouto_at_optusnet.com.au.nospam> wrote in message
news:Xns93135FA6C3198mineminemine_at_210.49.20.254...
> "koert54" <nospam_at_nospam.com> wrote in
> news:ylYZ9.16417$Jd.2349_at_afrodite.telenet-ops.be and I quote:
>
> > snip of useful stuff...
> > - bump up your OS async I/O servers/requests - but don't overshoot ...
> > about 10MB each !
> >
>
> Thanks for the useful info. Yeah, most of the
> DB2 stuff for AIX is directly usable for Oracle.
> However:
> What is this 10Mb you talk about?
> Buffer size? DB size? datafile size?
> What is the guideline here?
>
>
> --
> Cheers
> Nuno Souto
> nsouto_at_optusnet.com.au.nospam
Received on Wed Jan 29 2003 - 16:46:01 CST
