Re: Performance issue - high Free buff wait

  • From: Mladen Gogala <gogala.mladen@xxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Sun, 17 Jan 2021 20:55:47 -0500

There is also the question of huge pages. Is the SGA allocated as huge pages? All that talk about asynchronous IO leads to conclusion that the direct IO is not used ant the system may be double buffered.

On 1/17/21 3:45 PM, Jonathan Lewis wrote:

Don't be fooled by the fact I typed MB instead of GB - you have 512GB of memory and a huge fraction of it is "free". Why isn't more given to the database.

--
Mladen Gogala
Database Consultant
http://mgogala.byethost5.com

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