RE: Does inactive sessions consume RAM

  • From: "Naveen, Nahata (IE10)" <Naveen.Nahata@xxxxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Thu, 27 May 2004 00:58:58 -0700

>Hi list,
>I have an instance with many inactive sessions because my users always
>forgot to disconnect from db.
>Does thoses sessions consume RAM or any resources ?
>How can I prove it ? (which v$?)

Every session occupies some memory.

This script tells you the memory usage by a session

select  s.sid, n.name, s.value
  from  v$sesstat s,
        v$statname n,
        v$session sess
 where  n.statistic# = s.statistic#
   and  s.sid = sess.sid
   and  sess.status = 'INACTIVE'
   and  n.name like '%memory%'
   and  n.name not like 'sorts (memory)'
order by s.sid
;

Regards
Naveen
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