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Homework and Emergencies Emergency UNIX and Linux Support Performance investigation, very high runq-sz %runocc Post 302511629 by achenle on Thursday 7th of April 2011 08:37:26 AM
Old 04-07-2011
None of your disks seems to be all that busy - the service times are all really good. The vmstat output doesn't look exceptional.

Yet the Sybase DB processes are pegging their CPUs.

Looks like you could use some serious database tuning.
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PMDAPOSTFIX(1)						       Performance Co-Pilot						    PMDAPOSTFIX(1)

NAME
pmdapostfix - Postfix performance metrics domain agent (PMDA) DESCRIPTION
pmdapostfix is a Performance Metrics Domain Agent (PMDA) which exports mail queue sizes as reported by qshape(1), as well as aggregate statistics collected from mail.log. INSTALLATION
If you want access to the names and values for the Postfix performance metrics, do the following as root: # cd $PCP_PMDAS_DIR/postfix # ./Install If you want to undo the installation, do the following as root: # cd $PCP_PMDAS_DIR/postfix # ./Remove pmdapostfix is launched by pmcd(1) and should never be executed directly. The Install and Remove scripts notify pmcd(1) when the agent is installed or removed. FILES
$PCP_PMDAS_DIR/postfix/Install installation script for the pmdapostfix agent $PCP_PMDAS_DIR/postfix/Remove undo installation script for the pmdapostfix agent $PCP_LOG_DIR/pmcd/postfix.log default log file for error messages from pmdapostfix SEE ALSO
pmcd(1) and qshape(1). 3.8.10 Performance Co-Pilot PMDAPOSTFIX(1)
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