Java 性能优化笔记(2)

[root@10 ~]$>sar
Linux 2.6.18-308.el5 (10.10.72.143)     07/02/2014

12:00:01 AM       CPU     %user     %nice   %system   %iowait    %steal     %idle
12:10:01 AM       all      0.02      0.00      0.04      0.00      0.00     99.93
12:20:01 AM       all      0.01      0.00      0.00      0.00      0.00     99.99
12:30:01 AM       all      0.01      0.00      0.00      0.00      0.00     99.99
12:40:01 AM       all      0.01      0.00      0.00      0.00      0.00     99.99
12:50:01 AM       all      0.01      0.00      0.00      0.00      0.00     99.98
01:00:01 AM       all      0.01      0.00      0.00      0.00      0.00     99.9