Re: About having a large SGA for a DataWarehouse

  • From: Mladen Gogala <gogala@xxxxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Mon, 19 Jul 2004 09:44:35 -0400

On 07/19/2004 09:39:03 AM, "Khedr, Waleed" wrote:
> Data warehouses usually require using PQO, and this uses direct reads
> that will benefit nothing of big buffer cache.

They will also not benefit much from MTS, so allocating large chunks of memory
for large pool  is also pointless. Hashe and sort are size will need to be 
exploded, 
typically to values like 64M/process.
-- 
Mladen Gogala
Oracle DBA
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