High CPU usage when running several "java -version" in parallel
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by Prateesh
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Published on 2010-06-16T15:53:45Z
Indexed on
2010/06/16
16:22 UTC
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Hit count: 387
java
|Performance
This is just out of curiosity to understand
i have a small shell script
for ((i = 0; i < 50; i++))
do
java -version &
done
when i run this my CPU usage report by sar is as below
07:51:25 PM CPU %user %nice %system %iowait %steal %idle
07:51:30 PM all 6.98 0.00 1.75 1.00 0.00 90.27
07:51:31 PM all 43.00 0.00 12.00 0.00 0.00 45.00
07:51:32 PM all 86.28 0.00 13.72 0.00 0.00 0.00
07:51:33 PM all 5.25 0.00 1.75 0.50 0.00 92.50
As you can see, on the third line the CPU is at 100%
My java version is 1.5.0_22-b03.
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