Query to find Oracle Process consuming most of Memory and CPU
Query to find Oracle Process consuming most of the Memory and CPU
Session consuming the most memory
SELECT a.username, a.osuser, a.program, b.spid,b.pga_used_mem, a.sid, a.serial# ,a.module,a.logon_time,a.terminal FROM v$session a, v$process b WHERE a.paddr = b.addr
order by
b.pga_used_mem desc
order by
b.pga_used_mem desc
Session Consuming Most CPU
select
ss.username,
se.SID,
VALUE/100 cpu_usage_seconds
from
v$session ss,
v$sesstat se,
v$statname sn
where
se.STATISTIC# = sn.STATISTIC#
and
NAME like '%CPU used by this session%'
and
se.SID = ss.SID
and
ss.status='ACTIVE'
and
ss.username is not null
ss.username,
se.SID,
VALUE/100 cpu_usage_seconds
from
v$session ss,
v$sesstat se,
v$statname sn
where
se.STATISTIC# = sn.STATISTIC#
and
NAME like '%CPU used by this session%'
and
se.SID = ss.SID
and
ss.status='ACTIVE'
and
ss.username is not null
order by 3 desc
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