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how many async_io processes to invoke? - AIX ora 7.3

From: Rahul <rahul_at_ratelindo.co.id>
Date: Thu, 24 Oct 2002 01:33:30 -0800
Message-ID: <F001.004F21E8.20021024013330@fatcity.com>


list,
to give async_io a boost, i increased the minimum server parameter in AIX to 15 (from 2) ..

now while doing a ps -Al i see only 4 kproc which are busy !! rest has ZERO excution time
infront of them.. !!

how do i determine the optimum number of minimum async_io servers for a db which has....

  1. all files (17 of them) on raw volumes, spread over 4 disks
  2. two files are hot.. both on separate hdisks
  3. process inserts 20million+ records in two big tables

TIA
-rahul

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Author: Rahul
  INET: rahul_at_ratelindo.co.id

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