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тАО12-06-2001 12:46 PM
тАО12-06-2001 12:46 PM
I have the glance and I monitor the process of the system. What I can see is that 20 % time spent to nice proceses. Also I have a very high IO delay.
I am running Oracle also in a V Class 8 GB and 8 Processors.
Can you Help Please....
Solved! Go to Solution.
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тАО12-06-2001 12:50 PM
тАО12-06-2001 12:50 PM
Re: High Nice Process
live free or die
harry
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тАО12-06-2001 12:52 PM
тАО12-06-2001 12:52 PM
Re: High Nice Process
The patch set is the latest before september, the oracle operates in filesystem
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тАО12-06-2001 01:05 PM
тАО12-06-2001 01:05 PM
Re: High Nice Process
This is the amount of time the CPUs are spending doing "nice" work.
Looks like there are some processes running with non-default nice values. Do the following
UNIX95= ps -e -o "nice args" |sort -n
to find out the processes that have non-default nice values (!= 20)
-Sri
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тАО12-06-2001 01:09 PM
тАО12-06-2001 01:09 PM
Re: High Nice Process
live free or die
harry
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тАО12-06-2001 01:13 PM
тАО12-06-2001 01:13 PM
Re: High Nice Process
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тАО12-06-2001 01:52 PM
тАО12-06-2001 01:52 PM
Re: High Nice Process
Looks like the ksh is being spawned with non-default nice priority and the oracle instance inherited this nice value as it might have been started through it.
Looking at the process list, it's hard to determine why the default nice value has been changed for sh/ksh. What will happen if you login again (like telnet to the box) and check the nice value?.
do a simple ps to find out the pid of your
shell and then do
UNIX95= ps -e -o "nice args pid" |grep pid
See if it comes up with a nice value of 20. If so, you may want to bring down bccs database and restart it through this shell.
You can leave it like this if you want bccs instance to be nice to your genesys instance.
-Sri
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тАО12-06-2001 02:21 PM
тАО12-06-2001 02:21 PM
Re: High Nice Process
20 -sh 4202
But it was not the shell I start up the DB. DO you thing that this is a performance issue?
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тАО12-06-2001 02:31 PM
тАО12-06-2001 02:31 PM
Re: High Nice Process
If it is okay for you, you can simple ignore it. For ex., the processes of genesys will be give more preference than the processes of bccs.
-Sri
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тАО12-06-2001 02:45 PM
тАО12-06-2001 02:45 PM