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有一台Dell PE 2950 III的服务器,上装RH AS4U5,运行了一些JAVA程序和厂商程序,想了解一下设备高峰业务时段在IO/CPU/Memory各方面的性能情况,以下是Top和Vmstat的输出,希望达人点拨一二,看是否有相关性能瓶颈,以及如何更好地进行性能分析的建议,谢谢了。
Top输出:
top - 09:23:07 up 57 days, 22:59, 2 users, load average: 1.13, 1.10, 1.08
Tasks: 112 total, 1 running, 111 sleeping, 0 stopped, 0 zombie
Cpu(s): 12.7% us, 0.7% sy, 0.0% ni, 82.0% id, 4.7% wa, 0.0% hi, 0.0% si
Mem: 16626844k total, 8438628k used, 8188216k free, 491832k buffers
Swap: 16386260k total, 0k used, 16386260k free, 3938308k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12193 root 18 0 1176m 274m 5952 S 99 1.7 345748:57 java
25035 root 16 0 163m 60m 2096 S 2 0.4 18:37.32 stagingd
21549 root 16 0 106m 13m 460 S 1 0.1 79:07.37 linkfs
1 root 16 0 2684 548 468 S 0 0.0 0:01.29 init
2 root RT 0 0 0 0 S 0 0.0 0:03.51 migration/0
vmstat输出:
[root@localhost home]# vmstat 2 20
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
2 0 0 8186936 492032 3939928 0 0 0 35 1 1 14 0 86 0
1 0 0 8188992 492060 3937300 0 0 2 3718 1414 2633 12 1 87 0
1 0 0 8189120 492060 3937300 0 0 0 0 1280 457 13 0 87 0
1 0 0 8189184 492068 3937292 0 0 0 170 1206 451 13 0 87 0
1 0 0 8189248 492068 3937292 0 0 0 126 1192 371 13 0 87 0
1 0 0 8187152 492068 3939632 0 0 0 0 2608 1979 13 0 87 0
1 0 0 8187088 492076 3939624 0 0 0 3312 1414 503 13 0 87 0
1 0 0 8184400 492148 3942152 0 0 0 0 1274 2188 13 0 87 0
1 0 0 8186384 492256 3940484 0 0 0 2 1179 2158 12 1 87 0
1 0 0 8186496 492264 3940476 0 0 0 2850 1056 189 13 0 87 0
1 0 0 8183488 492280 3943060 0 0 0 0 1818 1108 13 0 87 0
1 0 0 8189440 492308 3937312 0 0 0 1880 1300 2619 14 1 85 0
1 0 0 8189176 492316 3937304 0 0 0 6 1262 534 13 0 87 0
1 0 0 8188024 492320 3937300 0 0 0 200 1295 800 13 0 87 0
1 0 0 8189376 492320 3937300 0 0 0 1086 1280 1120 13 1 86 0 |
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