RE: 10.2.0.4 / New Hugepages / JDBC Thin connections slow connect ?
- From: <Christopher.Taylor2@xxxxxxxxxxxx>
- To: <Josh.Collier@xxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 25 Jun 2013 10:58:04 -0500
I thought that was AIX (others?) specific but that's a good question. Seems
like I read that AIX does that but not positive.
Actually, I know for sure that it doesn't on Linux because it RESERVES
hugepages but doesn't use them - you can watch the free hugepages count go down
as Oracle claims memory I believe. I'll try to verify on my end however.
Chris
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Josh Collier
Sent: Tuesday, June 25, 2013 10:34 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: 10.2.0.4 / New Hugepages / JDBC Thin connections slow connect ?
When you have enabled huge pages, and verified that your SGA is going into the
huge pages pool, Doesn't the SGA get pre-paged regardless of this particular
parameter (pre_page_sga)?
The way I understand it, with huge pages enabled, the SGA is loaded(paged-in)
completely on instance startup. Do I have a misunderstanding?
Josh C
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