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Simple question about vmstat

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Operating Systems Solaris Simple question about vmstat
# 8  
Old 07-27-2011
its always advisable to take the
Code:
vmstat 5 5

or even with longer interval..as it gives a stable o/p for the last 4 intervals..The 1st interrogation denotes the average value for the m/c since it was rebooted..However the subsequent values show the current status...Hence alwyas try to notice o/p from a longer interval and for a relatively larger number of interrogations
Last edited by DukeNuke2; 07-27-2011 at 12:57 PM..
# 9  
Old 07-27-2011
@rahul_switch: my suggestion was wrong, please run:

Code:
prstat -a 1 1 | tail -1

and post its output.
# 10  
Old 07-28-2011
Hi,

Please find both output.

Code:
/var/home/oracle: > vmstat 5 5
procs memory page disk faults cpu
r b w swap free re mf pi po fr de sr m1 m1 m1 m3 in sy cs us sy id
1 513 0 5240680 5790352 2486 2198 17895 5 4 0 0 1 0 5 1 666 1168 856 53 12 35
0 858993228 0 1695848 1657176 2620 2345 20271 2 0 0 0 15 2 20 15 2333 21471 8521 19 10 71
0 858993228 0 1659504 1613320 1849 4123 20977 6 2 0 0 0 0 3 0 1918 22161 7849 22 9 69
0 858993227 0 1622512 1597896 1758 573 21758 3 3 0 0 0 0 2 0 2109 20968 8415 17 6 77
0 858993227 0 1622352 1577920 2091 278 24043 0 0 0 0 0 0 0 0 2314 21192 8796 19 7 74
/var/home/oracle: > prstat -a 1 1 | tail -1
Total: 191 processes, 1403 lwps, load averages: 2.71, 2.53, 2.34
/var/home/oracle: >

(kindly note given output is from live production server)

Thanks and regards,
Rahul
Last edited by DukeNuke2; 07-28-2011 at 10:10 AM..
# 11  
Old 07-28-2011
looks like your hardware is a little bit out of league... what hardware do you use?
# 12  
Old 07-28-2011
There are 1403 lwps (i.e. threads) on your system so there can't be 858993228 of them in the wait queue.
# 13  
Old 07-29-2011
Hi,
It is Sun Sparc 5.8 Generic 108528-29. I don't know more about same.

Thanks and regards,
Rahul
# 14  
Old 07-29-2011
You OS hasn't been patched for 6 years. No surprise if a bug shows up. Nothing to worry about vmstat output, probably a 32 bit counter that overflowed.
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