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тАО09-15-2003 11:08 AM
тАО09-15-2003 11:08 AM
onload/onunload for informix cause system to 100% CPU usage
When I run onload/onunload after the IDS is
brought up for about 5 mins, it cause the
the system to kind of "hangup". "top" shows
cpu usage is 100%.
However this "hangup" only happend when onload/
onunload is ready to quit, which means, it does
read/write the tape successfully. It just cant
quit normally. The same error also happend when
I just type "onload -;", which suppose to give
the onload help information. However, like I
mention before "onload -;" does give out help
and quit normally during the first 5 mins after
the IDS is brought up.
Here is the platform information
Informix 7.31UD6. HPUX 11i. HP A500 server.
I am wondering if anyone have seen the similar
problem, or if anyone knows how to debug more
to find out the cause for this.
Thanks for your help.
Fei
brought up for about 5 mins, it cause the
the system to kind of "hangup". "top" shows
cpu usage is 100%.
However this "hangup" only happend when onload/
onunload is ready to quit, which means, it does
read/write the tape successfully. It just cant
quit normally. The same error also happend when
I just type "onload -;", which suppose to give
the onload help information. However, like I
mention before "onload -;" does give out help
and quit normally during the first 5 mins after
the IDS is brought up.
Here is the platform information
Informix 7.31UD6. HPUX 11i. HP A500 server.
I am wondering if anyone have seen the similar
problem, or if anyone knows how to debug more
to find out the cause for this.
Thanks for your help.
Fei
gbridge
2 REPLIES 2
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тАО09-15-2003 11:14 AM
тАО09-15-2003 11:14 AM
Re: onload/onunload for informix cause system to 100% CPU usage
The next clue could come from a
sar -M 10 10
to see what the 100% is doing / waiting for
usr vs sys vs i/o
sar -M 10 10
to see what the 100% is doing / waiting for
usr vs sys vs i/o
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тАО09-15-2003 11:32 AM
тАО09-15-2003 11:32 AM
Re: onload/onunload for informix cause system to 100% CPU usage
Here is the output:
prompt: /usr/sbin/sar -M 10 10
HP-UX cam01 B.11.11 U 9000/800 09/15/03
15:28:36 %usr %sys %wio %idle
15:28:46 100 0 0 0
15:28:56 100 0 0 0
15:29:06 100 0 0 0
15:29:16 100 0 0 0
15:29:26 100 0 0 0
15:29:36 100 0 0 0
15:29:46 98 0 0 1
15:29:56 14 10 1 75
15:30:06 18 0 1 81
15:30:16 0 0 0 100
usr changes from 100% to 0% after I shutdown
and bring up IDS again.
Thanks,
Fei
prompt: /usr/sbin/sar -M 10 10
HP-UX cam01 B.11.11 U 9000/800 09/15/03
15:28:36 %usr %sys %wio %idle
15:28:46 100 0 0 0
15:28:56 100 0 0 0
15:29:06 100 0 0 0
15:29:16 100 0 0 0
15:29:26 100 0 0 0
15:29:36 100 0 0 0
15:29:46 98 0 0 1
15:29:56 14 10 1 75
15:30:06 18 0 1 81
15:30:16 0 0 0 100
usr changes from 100% to 0% after I shutdown
and bring up IDS again.
Thanks,
Fei
gbridge
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