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тАО01-27-2011 09:16 AM
тАО01-27-2011 09:16 AM
how to explain the below commands output
1.$sar -q 1 5
HP-UX B.11.11 U 9000/800 01/27/11
22:53:03 runq-sz %runocc swpq-sz %swpocc
22:53:04 1.0 50 0.0 0
22:53:05 1.0 50 0.0 0
22:53:06 1.0 50 0.0 0
2.$sar -d 1 5
HP-UX B.11.11 U 9000/800 01/27/11
22:57:14 device %busy avque r+w/s blks/s avwait avserv
22:57:15
22:57:16
22:57:17 c2t0d0 1.00 0.50 1 2 0.00 7.86
22:57:18 c2t0d0 2.00 0.50 3 24 0.00 16.37
22:57:19
Average c2t0d0 0.60 0.50 1 5 0.00 14.24
question
1.how to calculate the paging space in sar -q option
2.how to calculate the disk i/o in sar -d option
HP-UX B.11.11 U 9000/800 01/27/11
22:53:03 runq-sz %runocc swpq-sz %swpocc
22:53:04 1.0 50 0.0 0
22:53:05 1.0 50 0.0 0
22:53:06 1.0 50 0.0 0
2.$sar -d 1 5
HP-UX B.11.11 U 9000/800 01/27/11
22:57:14 device %busy avque r+w/s blks/s avwait avserv
22:57:15
22:57:16
22:57:17 c2t0d0 1.00 0.50 1 2 0.00 7.86
22:57:18 c2t0d0 2.00 0.50 3 24 0.00 16.37
22:57:19
Average c2t0d0 0.60 0.50 1 5 0.00 14.24
question
1.how to calculate the paging space in sar -q option
2.how to calculate the disk i/o in sar -d option
3 REPLIES 3
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тАО01-27-2011 10:56 AM
тАО01-27-2011 10:56 AM
Re: how to explain the below commands output
Shalom,
1.how to calculate the paging space in sar -q option
I would use swapinfo -tam to calculate total memory and page space and show use.
2.how to calculate the disk i/o in sar -d option
The key hereis to read the columns.
avwait means there is a wait time for I/O tog et done. Not happening here. There appears to be no problems that I can see. %busy is 1% and 2% for an average of .6%
SEP
1.how to calculate the paging space in sar -q option
I would use swapinfo -tam to calculate total memory and page space and show use.
2.how to calculate the disk i/o in sar -d option
The key hereis to read the columns.
avwait means there is a wait time for I/O tog et done. Not happening here. There appears to be no problems that I can see. %busy is 1% and 2% for an average of .6%
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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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тАО01-27-2011 11:24 AM
тАО01-27-2011 11:24 AM
Re: how to explain the below commands output
Look at these ..
http://www.computerhope.com/unix/usar.htm
http://www.ibm.com/developerworks/aix/library/au-unix-perfmonsar.html
http://www.computerhope.com/unix/usar.htm
http://www.ibm.com/developerworks/aix/library/au-unix-perfmonsar.html
HP-UX been always lovable - Mani Kalra
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тАО01-27-2011 10:37 PM
тАО01-27-2011 10:37 PM
Re: how to explain the below commands output
runq-sz - Average length of the run queue(s) of processes
(in memory and runnable)
%runocc - The percentage of time the run queue(s) were occupied by processes
(in memory and runnable)
swpq-sz - Average length of the swap queue of runnable processes
(processes swapped out but ready to run)
For second part;
%busy Portion of time device was busy servicing a request
avque Average number of requests outstanding for the device
r+w/s Number of data transfers per second (read and writes)
from and to the device
blks/s Number of bytes transferred (in 512-byte units)
from and to the device
avwait Average time (in milliseconds) that transfer requests
waited idly on queue for the device
avserv Average time (in milliseconds) to service each
(in memory and runnable)
%runocc - The percentage of time the run queue(s) were occupied by processes
(in memory and runnable)
swpq-sz - Average length of the swap queue of runnable processes
(processes swapped out but ready to run)
For second part;
%busy Portion of time device was busy servicing a request
avque Average number of requests outstanding for the device
r+w/s Number of data transfers per second (read and writes)
from and to the device
blks/s Number of bytes transferred (in 512-byte units)
from and to the device
avwait Average time (in milliseconds) that transfer requests
waited idly on queue for the device
avserv Average time (in milliseconds) to service each
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