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тАО04-03-2006 04:40 AM
тАО04-03-2006 04:40 AM
Performance problems with IBM universe
We suspect IO problem.
Any idea or experience with this.
Regards.
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тАО04-03-2006 05:33 AM
тАО04-03-2006 05:33 AM
Re: Performance problems with IBM universe
Perhaps measure performance:
http://www.hpux.ws/system.perf.sh
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО04-04-2006 01:23 AM
тАО04-04-2006 01:23 AM
Re: Performance problems with IBM universe
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тАО04-04-2006 01:52 AM
тАО04-04-2006 01:52 AM
Re: Performance problems with IBM universe
B.11.11 U9000/800
is still necesary the path? what is it?.
HP have internal disks. 120GB. All Volumes in raid 1 (mirror).
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тАО04-04-2006 06:36 PM
тАО04-04-2006 06:36 PM
Re: Performance problems with IBM universe
This is a piece of them:
HP-UX dmsreae1 B.11.11 U 9000/800 04/04/06
21:36:46 device %busy avque r+w/s blks/s avwait avserv
21:40:15 c0t6d0 100.00 8.05 224 9200 37.61 33.28
c3t6d0 81.82 5.53 223 9426 21.13 22.66
21:40:16 c0t6d0 100.00 25.94 253 7748 101.63 30.86
c3t6d0 82.00 9.32 241 7604 27.89 22.25
21:40:17 c0t6d0 100.00 21.45 296 7780 75.04 24.55
c3t6d0 92.00 19.24 289 7760 64.55 23.01
21:40:18 c0t6d0 100.00 25.27 305 7328 81.12 23.54
c3t6d0 91.00 22.92 293 7152 65.73 22.35
21:40:19 c0t6d0 100.00 28.71 316 6076 97.83 23.84
c3t6d0 91.00 24.42 308 6080 77.40 21.59
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тАО04-05-2006 01:44 AM
тАО04-05-2006 01:44 AM
Re: Performance problems with IBM universe
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тАО04-05-2006 02:49 AM
тАО04-05-2006 02:49 AM
Re: Performance problems with IBM universe
Look for the file(s) that are badly sized. You can use the FILE.STAT and HASH.HELP commands to determine the proper sizing.
If you have "glance" you can monitor the process looking for files with high I/O activity.
If you have "lsof", then you can use the perl script I am attaching to monitor a process looking for changes in disk activity for each open file.
HTH
-- Rod Hills
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тАО04-05-2006 03:59 AM
тАО04-05-2006 03:59 AM
Re: Performance problems with IBM universe
Could you send me the script (or tell me an URL to download it).
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тАО04-05-2006 04:24 AM
тАО04-05-2006 04:24 AM
Re: Performance problems with IBM universe
Rod Hills
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тАО04-05-2006 07:10 AM
тАО04-05-2006 07:10 AM
Re: Performance problems with IBM universe
NOTE: nfile is the kernel parameter limiting the number of open files for the entire system. If you add 400 to MFILE, you will have 400 additional files open at the same time for each Universe program. Make sure nfile is large enough to handle the largest number of Universe programs.
Bill Hassell, sysadmin