Re: Performance issue - high Free buff wait
From: Mladen Gogala <gogala.mladen_at_gmail.com>
Date: Sun, 17 Jan 2021 20:55:47 -0500
Message-ID: <a2f75b1a-f859-d372-aaf7-535bbd322c09_at_gmail.com>
Date: Sun, 17 Jan 2021 20:55:47 -0500
Message-ID: <a2f75b1a-f859-d372-aaf7-535bbd322c09_at_gmail.com>
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
--
http://www.freelists.org/webpage/oracle-l
Received on Mon Jan 18 2021 - 02:55:47 CET