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Operating Systems AIX Performance Problem - High CPU utilization Post 302116417 by jgt on Thursday 3rd of May 2007 06:32:43 PM
Old 05-03-2007
The following is based on my experience with SCO, and may not have any significance, but:
Sometimes when users close terminal emulation sessions, or reboot Windows clients, without signing off the unix system, the telnet session lives on the host, without a client and for some reason consumes a large amount of cpu.
The way to discover this is to run 'ps -leaf |grep ttyp' and compare the output to 'who |grep ttyp' and see if there are unaccounted for sessions.
Then just kill the sessions for which there is no signed on user.
 

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DCOP(1) 																   DCOP(1)

NAME
dcop - Console DCOP client SYNOPSIS
dcop [--pipe] [--user user] [--all-users] [--session session] [--all-sessions] [--list-sessions] [--no-user-time] [application [object [function [arguments]]]] DESCRIPTION
Console DCOP client OPTIONS
--pipe Call DCOP for each line read from stdin. This is roughly equivalent to calling while read line ; do dcop $line ; done but because no new dcop instance has to be started for each line this is generally much faster, especially for the slower GNU dynamic linkers. --user user Connect to the given user's DCOP server. This option will ignore the values of the environment vars $DCOPSERVER and $ICEAUTHORITY, even if they are set. If the user has more than one open session, you must also use one of the --list-sessions, --session or --all-sessions command-line options. --all-users Send the same DCOP call to all users with a running DCOP server. Only failed calls to existing DCOP servers will generate an error message. If no DCOP server is available at all, no error will be generated. --session session Send to the given KDE session. This option can only be used in combination with the --user option. --all-sessions Send to all sessions found. Only works with the --user and --all-users options. --list-sessions List all active KDE sessions for a user or all users. --no-user-time Don't update the user activity timestamp in the called application (for use in scripts running in the background). ENVIRONMENT
DCOPSERVER ICEAUTHORITY SEE ALSO
dcopclient(1) dcopref(1) dcopfind(1) kdcop(1) Inside KDE, you can enter help:/kdcop in Konqueror to see the User Manual for kdcop graphical dcop tool. March 7, 2003 DCOP(1)
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