The "IO buffer size" is the maximal size of a single, atomic disk IO,
usually
either 128k or 256k. All IO requests larger then that will be
internally broken
into multiple requests. As my Solaris is getting rusty (working with
HP-UX and
Linux now) I cannot remember the exact parameter name. It used to be
available
in the "Ferrari" book.
On 2002.06.12 09:53 Carmen Rusu wrote:
>
> Kevin Loney's Oracle8i DBA Handbook says you need to know the
> "operating system's I/O buffer size" in order to set the init param
> DB_FILE_MULTIBLOCK_READ_COUNT correctly.
>
> What is the definition of "operating system's I/O buffer size Loney is
> talking about?
>
> What is the value of " I/O buffer size" for SunOS 5.8?
>
> Went to Sun's web site and got lost...I just want two straight answers
> to my two questions.
>
>
>
>
> Thanks,
>
> Carmen Rusu
> Sr Oracle DBA
> 512-463-3657 (office)
> 512-606-5012 (pager)
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Carmen Rusu
> INET: carmen.rusu_at_rrc.state.tx.us
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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--
Mladen Gogala
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Mladen Gogala
INET: mgogala_at_adelphia.net
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Received on Wed Jun 12 2002 - 09:33:24 CDT
