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тАО02-03-2010 12:01 AM
тАО02-03-2010 12:01 AM
I would like to know how to analyze the performance of CPU, Memory, Disk.
If suppose the disk or cpu or memory usage is high then how would we analyze and troubleshoot the problem.
As an administrator what should we perform during that time?
Kindly understand me by giving the steps to follow during that time.
Thank you all in advance! I know this is very lengthy one. Thank you for sparing your precious time for answering to my thread.
Solved! Go to Solution.
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тАО02-03-2010 12:14 AM
тАО02-03-2010 12:14 AM
Re: Performance of HP-Ux Servers
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тАО02-03-2010 12:17 AM
тАО02-03-2010 12:17 AM
Re: Performance of HP-Ux Servers
Download Hp's webcast at
http://h20247.www2.hp.com/enterprise/w1/en/os/hpux11i-kod-v3-performance-troubleshooting.html
rgds!
johnson
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тАО02-03-2010 12:23 AM
тАО02-03-2010 12:23 AM
Re: Performance of HP-Ux Servers
Good luck
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тАО02-03-2010 12:52 AM
тАО02-03-2010 12:52 AM
Solution# ps -ef
-- Check for large time values
# swapinfo -tam
-- How much RAM, device swap, etc. and what their utilization is
# echo total_lockable_mem/D | adb /stand/vmunix /dev/mem
-- How much lockable memory is being used?
# ipcs -mob
-- What is the shared memory load?
# sar -b 5 50
-- What is the buffer cache usage?
# sar -Mu 5 50
# sar -Mq 5 50
-- What is the CPU load?
# sar -d 5 50
-- What is the disk I/O load?
# sar -v 5 30
-- What is the process and file table load?
# more /etc/fstab
-- What type of filesystems are being affected?
# bdf -I
-- How full are the filesystems?
# kmtune (or 'kctune' on some systems)
-- Give a listing of kernel parameters; especially:
swapmem_on
maxswapchunks
buffpages
dbc_max_pct
dbc_min_pct
maxdsiz
maxdsiz_64
maxusers
nfiles
ninode
nproc
nbuf
shmem
Again, run these commands during the time that the system is experiencing the issue. This is the only way that the data from most of the above commands will be useful.
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тАО02-03-2010 12:53 AM
тАО02-03-2010 12:53 AM
Re: Performance of HP-Ux Servers
$ UNIX95= ps -efo vsz,ruser,pid,ppid,args | sort -rn | more
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тАО02-03-2010 12:54 AM
тАО02-03-2010 12:54 AM
Re: Performance of HP-Ux Servers
# Glance -> which easy to use
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тАО02-03-2010 12:58 AM
тАО02-03-2010 12:58 AM
Re: Performance of HP-Ux Servers
No-one here knows your system better than you.
Attached support document should give you some idea.
"Attached document deleted as it contravenes ITRC Guidelines"
Also, refer itrc older threads about performance issues.
Cheers!!
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тАО02-05-2010 12:20 AM
тАО02-05-2010 12:20 AM