linux system load
- From: "biti_rainy" <biti_rainy@xxxxxxxxx>
- To: "oracle-l" <oracle-l@xxxxxxxxxxxxx>
- Date: Sat, 20 Nov 2004 16:20:06 +0800
hi,all
one or two days per week,sometimes the run queue size is close to 20 , many
are close to 1 or 2
but the load-1 is always close to 6
i do not know why, i check the OS net/IO/ram/cpu load ,and make a lot
of statspack report
all sql do not be slow, the cpu_time/wait_time/Elapsd_time are not
changed.
i am vary puzzle.
i want to know what is the formula of load-1 and load-5
i read the sar's source code and find that it read the /proc/LOADAVG
i do not read the linux source code
linux redhat as2.1
sar -q 3 2000
rq size proc loda-1 load-5
1 , 399 , 2.69 , 2.78,
1 , 399 , 2.69 , 2.78,
0 , 399 , 2.55 , 2.75,
4 , 399 , 2.35 , 2.70,
1 , 399 , 2.35 , 2.70,
1 , 399 , 2.32 , 2.69,
2 , 399 , 2.32 , 2.69,
1 , 399 , 2.37 , 2.70,
1 , 399 , 2.26 , 2.67,
0 , 399 , 2.26 , 2.67,
2 , 399 , 2.32 , 2.67,
1 , 398 , 2.32 , 2.67,
1 , 398 , 2.14 , 2.63,
0 , 398 , 2.12 , 2.62,
0 , 398 , 2.12 , 2.62,
0 , 398 , 2.27 , 2.64,
1 , 398 , 2.27 , 2.64,
1 , 398 , 2.57 , 2.70,
2 , 398 , 2.45 , 2.67,
0 , 398 , 2.45 , 2.67,
5 , 398 , 2.25 , 2.62,
0 , 398 , 2.25 , 2.62,
1 , 398 , 2.07 , 2.58,
1 , 398 , 1.90 , 2.54,
1 , 398 , 1.90 , 2.54,
0 , 398 , 1.75 , 2.50,
6 , 398 , 1.75 , 2.50,
0 , 398 , 2.01 , 2.54,
2 , 398 , 2.25 , 2.58,
0 , 398 , 2.25 , 2.58,
3 , 398 , 2.31 , 2.58,
1 , 398 , 2.31 , 2.58,
2 , 398 , 2.37 , 2.59,
1 , 398 , 2.26 , 2.56,
0 , 398 , 2.26 , 2.56,
3 , 398 , 2.48 , 2.60,
1 , 398 , 2.48 , 2.60,
0 , 398 , 2.36 , 2.58,
3 , 398 , 2.49 , 2.60,
0 , 398 , 2.49 , 2.60,
2 , 398 , 2.53 , 2.61,
2 , 398 , 2.53 , 2.61,
2 , 398 , 2.33 , 2.56,
1 , 398 , 2.14 , 2.52,
0 , 398 , 2.14 , 2.52,
2 , 398 , 2.05 , 2.50,
0 , 398 , 2.05 , 2.50,
1 , 398 , 1.96 , 2.47,
1 , 398 , 2.05 , 2.48,
3 , 398 , 2.05 , 2.48,
Best regards
msn: biti_rainy@xxxxxxxxxxx
a dba from alibaba(china)
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