Re: How much memory is an oracle shadow process using

oops, sorry, didn't read your question carefully.

Igor Neyman, OCP DBA
ineyman_at_perceptron.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Monday, October 07, 2002 10:08 AM

> > Does anybody have any other insight as to how what exactly the values in
> > statistic# 16 & 21 can be used to indicate overall memory usage by
Oracle
> > processes
>
> Look them up in V$STATNAME.
>
> Igor Neyman, OCP DBA
> ineyman_at_perceptron.com
>
>
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Monday, October 07, 2002 9:24 AM
>
>
> > Thanks for your script. The whole site is an excellent resource.
> > Thanks Tim,
> >
> > I have run your script and also run a query against statistic 15 and 20
> from
> > v$sessstat
> > (max UGA and PGA memory used )
> > SQL>
> > SQL> select name,statistic#,sum(value/1024/1024) "Curr Mb"
> > 2 from v$sesstat a, v$database c
> > 3 where statistic# in (16,21)
> > 4 group by name,statistic#
> > 5 /
> >
> > NAME STATISTIC# Curr Mb
> > --------- ---------- ----------
> > SID 16 2.8621788
> > SID 21 23.4703255
> >
> > Running the oramem.sh script I return the following
> >
> > Total RAM = 16384Mb, Swap = 19779.85Mb used, 2686.51Mb free
> >
> > Total memory consumption by Oracle instance "SID":
> >
> > # Procs # Procs Max Sum
> > Foregrnd Backgrnd Shm Kb Priv Kb Total Kb
> > ======== ======== ====== ======= ========
> > 27 16 424600 106144 530744
> >
> > So oracle shows 26Mb used where using a pmap command returns about
105Mb.
> >
> > I think I am comparing like with like here but obviously the results
don't
> > show that
> >
> > Does anybody have any other insight as to how what exactly the values in
> > statistic# 16 & 21 can be used to indicate overall memory usage by
Oracle
> > processes
> >
> > Thanks
> >
> > John
> >
> >
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author:
> > INET: John.Hallas_at_vodafone.co.uk
> >
> > Fat City Network Services -- 858-538-5051 http://www.fatcity.com
> > San Diego, California -- Mailing list and web hosting services
> > ---------------------------------------------------------------------
> > To REMOVE yourself from this mailing list, send an E-Mail message
> > to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> > the message BODY, include a line containing: UNSUB ORACLE-L
> > (or the name of mailing list you want to be removed from). You may
> > also send the HELP command for other information (like subscribing).
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Igor Neyman
> INET: ineyman_at_perceptron.com
>
> Fat City Network Services -- 858-538-5051 http://www.fatcity.com
> San Diego, California -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).