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Re: Tuning the db_file_multiblock_read_count parameter

From: Sybrand Bakker <sybrandb_at_hccnet.nl>
Date: Fri, 05 Nov 2004 18:46:57 +0100
Message-ID: <62fno0p0bm638gp27im3srml4vmq2bm4ts@4ax.com>


On 5 Nov 2004 06:32:28 -0800, strepxe_at_yahoo.co.uk (championsleeper) wrote:

>We have a reasonably large database (~ 5 - 10 Tb ) and we're trying to
>tune the i/o. One of the parameters we are looking at is
>db_file_multiblock_read_count. in a system that is predominantly
>random i/o what affect does this value have?

zero.
db_file_multiblock_read_count applies to full table scans and index fast full scans, so non-random i/o.
Did you ever look up the explanation of this parameter in your Oracle docs. Probably not.

--
Sybrand Bakker, Senior Oracle DBA
Received on Fri Nov 05 2004 - 11:46:57 CST

Original text of this message

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