Re: Memory used by a single oracle server process in Solaris
- From: "Jonathan Lewis" <jonathan@xxxxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 23 Aug 2011 11:55:25 +0100
Sreejith
Following up on just the OTN thread from now on, but won't pmap also be
reporting the size of the Oracle executable - which is probably around the 100MB
difference you're seeing.
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
----- Original Message -----
From: "Sreejith S Nair" <Sreejith.Sreekantan@xxxxxxxxxx>
To: <jonathan@xxxxxxxxxxxxxxxxxx>
Cc: <oracle-l@xxxxxxxxxxxxx>; <oracle-l-bounce@xxxxxxxxxxxxx>
Sent: Tuesday, August 23, 2011 11:19 AM
Subject: Re: Memory used by a single oracle server process in Solaris
This comes close to what I got from 'session_pga_memory' which is close
to 71 MB.
Still, I did not get the memory I derived from this calculation .
shared memory= 4710400 ( shmid from pmap )
RSS = 4901764 from pmap and ps .
So RSS - shared memory = PGA used by this process + (code + data ) ?
If Yes then PGA + (code + data ) = 4901764 - 4710400 = 191364 kb = 186
MB.
I am getting PGA as 71 MB, so rest ( 186 - 71 ) is the memory for code +
data ?
I suspect, I might be missing something here ?
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