And yet another thank you.
I'm finally getting caught up on posts now that I'm sitting here at work on
a Sunday applying a patch to a *very* slow machine.
Jay Miller
-----Original Message-----
Sent: Wednesday, January 23, 2002 10:05 AM
To: Multiple recipients of list ORACLE-L
And mine as well :-)
Samir
Samir Sarkar
Oracle DBA - Lennon Team
SchlumbergerSema
Email : samir.sarkar_at_nottingham.sema.slb.com
samir.sarkar_at_sema.co.uk
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-----Original Message-----
Sent: 23 January 2002 14:05
To: Multiple recipients of list ORACLE-L
Michael,
This is way cool....... thank you. One more script to file in my "bag
of tricks" :)
Rachel
- Robertson Lee - lerobe <lerobe_at_acxiom.co.uk> wrote:
> Nice one Michael, works on Tru64 as well. I shall be rolling this one
> out
> today.
>
> Regards
>
> Lee
>
>
> -----Original Message-----
> Sent: 22 January 2002 19:10
> To: Multiple recipients of list ORACLE-L
>
>
> Here's a Korn Shell script that I use to identify all of the top CPU
> hogs in
> Solaris. It is better than "top" because it gives you the actual
> command
> that is running:
>
> #!/bin/ksh
> # Show the PS version of the top 37 processes (by CPU usage)
>
> print "UID\tPID\tPPID\tSTIME\t\tTIME\tCMD"
>
> top -n 37 2>/dev/null| tail -38 | head -37 | awk '{print $1}' | while
> read
> PID
> do
> PS=`ps -fp $PID 2>/dev/null| tail -1`
>
> if [[ `echo $PS | grep -c "UID PID PPID C STIME TTY TIME CMD"` -ne
> 1 ]]
> then
> echo $PS | awk '{for (i = 8; i <= NF; i++) O = O " " $i; print $1
> "\t"
> $2 "\t" $3 "\t" $5 "\t" $7 "\t
> " substr(O,2,59)}'
> fi
> done
>
> --Michael
>
> -----Original Message-----
> Sent: Tuesday, January 22, 2002 1:26 PM
> To: Multiple recipients of list ORACLE-L
>
>
> This query will show current sessions CPU usage. It may
> indicate a particular session is hogging the CPU.
>
> select
> sess.username,
> stat.sid,
> name.name name,
> sum(stat.value)/100 valuesum_seconds
> from v$sesstat stat, v$statname name, v$session sess
> where
> stat.sid = sess.sid
> and stat.statistic# = name.statistic#
> and name.name like '%CPU%'
> group by sess.username, stat.sid, name.name;
>
> You should also use 'top' or some similar tool to
> identify the process.
>
> At times a session may have a 'runaway' process that
> is hogging the CPU. If a single dedicated server process
> is using a very high percentage of the CPU, it's would
> probably be a good idea to kill it. Be sure to identify
> the user or batch program first to make sure it can be
> killed.
>
> The output of 'ps -fuoracle' will show a dedicated session
> as similar to this:
> oracleVDRPROD (DESCRIPTION=(LOCAL=no)(ADDRESS=(PROTOCOL=BEQ)))
>
> The following query will match an
> process to an Oracle session:
>
> select
> s.username,
> s.sid,
> s.serial#,
> p.pid ppid,
> s.status,
> s.osuser,
> substr(s.program,1,20) client_program,
> s.process client_process,
> substr(p.program,1,20) server_program,
> p.spid server_pid
> from v$session s, v$process p
> where s.username is not null
> -- use outer join to show sniped sessions in
> -- v$session that don't have an OS process
> and p.addr(+) = s.paddr
> -- uncomment to see only your own session
> --and userenv('SESSIONID') = s.audsid
> order by username, sid
> /
>
> Jared
>
>
>
>
>
>
>
> Uma Mohoni <umohoni_at_ikimbo.com>
> Sent by: root_at_fatcity.com
> 01/22/02 07:20 AM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> cc:
> Subject: High CPU usage by Oracle
>
>
> Hi,
> I would like help with this problem I am grappling with since
> yesterday.
> One
> of the test boxes with Sun Solaris 2.7 OS and Oracle 8.1.7.2 on it
> has
> started showing 97% and above CPU usage mostly by Oracle . It has
> slowed
> down the application to a point where the testers can not test. Does
> any
> one
> have any idea why Oracle would suddenly hog CPU so much? The normal
> CPU
> usage on these boxes is 2%-3%. All help is greatly appreciated.
> Thanks in
> advance.
>
> Thanks,
> Uma Mohoni
> Consultant, CDI Corporation
> @ iKimbo Inc.
> 500-A Huntmar Park Drive
> Herndon, VA 20170
> (703) 904-4150 Ext:237
> umohoni_at_ikimbo.com
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Uma Mohoni
> INET: umohoni_at_ikimbo.com
>
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> Author:
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Received on Sun Jan 27 2002 - 18:18:55 CST
