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AIX 6.1 very slow

questil
questil asked
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Last Modified: 2012-05-11

I have AIX 6.1 machine that is occasionally became very slow.
There is DB2 installed on this machine, but running topas show no obvious reason for this slowness.
CPU:            is above 95% idle on both CPU’s.
Network:      usually less than 10kbps load.
Disks:      less than 5% busy most of the time.
Memory:      from 16GB 27.7% comp, 8.8% noncomp and 8.8% client
Paging:      size 4GB 100% free

Any idea how do I find what’s causing the system to be almost unresponsive? only after reboot we can work with the system until the next time…

Thanks,
Tal
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