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vicky10001
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Joined: 13 Jul 2005
Posts: 136
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Dear All,
Mainframe HSM jobs its runing daily so its consuming more CPU time in our system so We are going to tune the HSM job.
Please let us know if anybody having tuning tips...
We need suggestion for which parameter it will reduce the CPU time and if any method we can implement.
Please help me. If you have any doc's please reply back....
Thanks in advance |
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dick scherrer
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Joined: 23 Nov 2006
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Location: Inside the Matrix
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Hello,
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| If you have any doc's please reply back. |
Please check this prior topic - it has a couple of links that may help.
ibmmainframes.com/viewtopic.php?t=20409
Keep in mind that cpu usage is not going to be a tunable parameter on its' own. What you are seeing is due to the amount of work hsm is currently required to do.
Suggest you work with your storage admins to make sure the data is properely allocated so that such a high amount of activity is not necessary. This may be helped by additional dasd or the re-classification of some of the dasd to accomodate the current trends. |
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expat
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Joined: 14 Mar 2007
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Location: Welsh Wales
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First thing is to identify which processes are consuming humungous amounts of CPU, and then identify why. HSM will produce logs and SMF records of everything that it does.
This may not be limited to HSM alone as HSM is controlled by the SMS MGMTCLAS construct.
And are you sure it is CPU time that mention, or perhaps elapsed time is the problem. |
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vicky10001
Warnings : 1
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Joined: 13 Jul 2005
Posts: 136
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Thanks a lot for Help.
Please let me know what are the pararmeter we can use in HSM jobs and Which parameter will take less CPU time.Please |
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dick scherrer
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Hello,
To repeat:
| Quote: |
| Keep in mind that cpu usage is not going to be a tunable parameter on its' own. |
| Quote: |
| Please let me know what are the pararmeter we can use in HSM jobs and Which parameter will take less CPU time |
There is no "reduce cpu used" parameter. . . |
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expat
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Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| vicky10001 wrote: |
Thanks a lot for Help.
Please let me know what are the pararmeter we can use in HSM jobs and Which parameter will take less CPU time.Please |
Which of the steps suggest in my earlier post have you so far completed. |
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