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请大家帮忙分析一下这台小机性能瓶颈处在什么地方

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发表于 2006-12-7 14:37:29 | 显示全部楼层 |阅读模式
服务器配置情况如下

4路 IA2 9015 处理器
16GB 内存
300GB X 3 SCSI 10K RPM 硬盘

运行的服务

Apache 2.2 相应 HTTP 请求
Geronimo 1.1 接受 MOD_JK 转发的 JSP 请求 配置了JDBC连接池
MySQL 5.0 数据库

服务器目前运行的top数据如下

top - 14:10:01 up  2:56,  2 users,  load average: 45.80, 62.84, 72.43
Tasks: 239 total,   1 running, 238 sleeping,   0 stopped,   0 zombie
Cpu(s): 19.1% us, 11.0% sy,  0.1% ni, 44.8% id, 24.2% wa,  0.0% hi,  0.9% si
Mem:  16587744k total, 14467168k used,  2120576k free,   401024k buffers
Swap:  7208928k total,   496400k used,  6712528k free,  1663408k cached

http 请求都可以完整地相应 但是 jsp 请求响应满足不了要求

top - 14:04:43 up  2:51,  2 users,  load average: 89.69, 83.92, 80.22
Tasks: 231 total,   1 running, 230 sleeping,   0 stopped,   0 zombie
Cpu0  : 18.7% us, 14.0% sy,  0.1% ni, 40.6% id, 25.8% wa,  0.0% hi,  0.9% si
Cpu1  : 21.4% us, 10.5% sy,  0.0% ni, 32.1% id, 35.3% wa,  0.0% hi,  0.7% si
Cpu2  : 20.1% us,  9.7% sy,  0.0% ni, 33.9% id, 35.6% wa,  0.0% hi,  0.6% si
Cpu3  : 23.0% us, 10.2% sy,  0.0% ni, 37.4% id, 23.1% wa,  0.5% hi,  5.8% si
Cpu4  : 19.1% us, 13.0% sy,  0.0% ni, 41.9% id, 25.3% wa,  0.0% hi,  0.6% si
Cpu5  : 20.2% us, 12.0% sy,  0.0% ni, 30.1% id, 37.4% wa,  0.0% hi,  0.3% si
Cpu6  : 21.7% us, 10.0% sy,  0.2% ni, 33.5% id, 34.0% wa,  0.0% hi,  0.6% si
Cpu7  : 18.8% us, 12.7% sy,  0.1% ni, 42.1% id, 25.9% wa,  0.0% hi,  0.5% si
Cpu8  : 19.3% us, 11.0% sy,  0.0% ni, 44.2% id, 24.6% wa,  0.0% hi,  1.0% si
Cpu9  : 21.6% us, 11.2% sy,  0.1% ni, 41.5% id, 24.8% wa,  0.0% hi,  0.9% si
Cpu10 : 22.7% us, 13.3% sy,  0.1% ni, 38.1% id, 23.7% wa,  0.2% hi,  2.0% si
Cpu11 : 23.5% us, 10.3% sy,  0.0% ni, 39.3% id, 26.1% wa,  0.0% hi,  0.7% si
Cpu12 : 19.4% us, 11.7% sy,  0.0% ni, 49.5% id, 18.8% wa,  0.0% hi,  0.6% si
Cpu13 : 19.6% us, 12.7% sy,  0.0% ni, 41.4% id, 25.8% wa,  0.0% hi,  0.5% si
Cpu14 : 19.1% us, 11.8% sy,  0.2% ni, 34.3% id, 34.1% wa,  0.0% hi,  0.5% si
Cpu15 : 17.0% us, 12.7% sy,  0.2% ni, 36.5% id, 32.9% wa,  0.0% hi,  0.7% si

top - 14:05:01 up  2:51,  2 users,  load average: 85.09, 83.42, 80.14
Tasks: 230 total,   1 running, 229 sleeping,   0 stopped,   0 zombie
Cpu0  : 18.0% us, 12.2% sy,  0.0% ni, 44.6% id, 24.3% wa,  0.0% hi,  0.9% si
Cpu1  : 16.5% us, 14.9% sy,  0.2% ni, 48.5% id, 19.4% wa,  0.0% hi,  0.6% si
Cpu2  : 14.6% us,  8.6% sy,  0.1% ni, 61.1% id, 15.0% wa,  0.0% hi,  0.5% si
Cpu3  : 18.2% us, 11.0% sy,  0.0% ni, 40.1% id, 27.0% wa,  0.6% hi,  3.2% si
Cpu4  : 16.5% us, 10.3% sy,  0.1% ni, 58.2% id, 14.3% wa,  0.0% hi,  0.6% si
Cpu5  : 16.3% us, 10.5% sy,  0.2% ni, 58.1% id, 14.4% wa,  0.0% hi,  0.5% si
Cpu6  : 17.4% us,  9.8% sy,  0.0% ni, 47.7% id, 24.6% wa,  0.0% hi,  0.5% si
Cpu7  : 14.8% us,  9.5% sy,  0.0% ni, 57.5% id, 17.6% wa,  0.0% hi,  0.6% si
Cpu8  : 16.8% us, 13.1% sy,  0.1% ni, 53.9% id, 15.3% wa,  0.0% hi,  0.9% si
Cpu9  : 14.6% us,  7.7% sy,  0.1% ni, 62.0% id, 15.0% wa,  0.0% hi,  0.5% si
Cpu10 : 18.3% us, 14.1% sy,  0.0% ni, 41.7% id, 24.5% wa,  0.1% hi,  1.2% si
Cpu11 : 20.7% us, 10.1% sy,  0.0% ni, 55.3% id, 13.4% wa,  0.0% hi,  0.6% si
Cpu12 : 15.4% us,  9.0% sy,  0.0% ni, 62.2% id, 12.6% wa,  0.0% hi,  0.7% si
Cpu13 : 15.2% us, 10.4% sy,  0.0% ni, 48.7% id, 24.9% wa,  0.0% hi,  0.6% si
Cpu14 : 17.9% us, 10.9% sy,  0.0% ni, 44.5% id, 26.2% wa,  0.0% hi,  0.5% si
Cpu15 : 15.9% us,  9.5% sy,  0.0% ni, 58.2% id, 15.5% wa,  0.0% hi,  0.8% si

top - 14:05:19 up  2:51,  2 users,  load average: 63.99, 78.70, 78.66
Tasks: 231 total,   1 running, 230 sleeping,   0 stopped,   0 zombie
Cpu0  : 18.7% us, 13.7% sy,  0.1% ni, 46.6% id, 20.3% wa,  0.0% hi,  0.7% si
Cpu1  : 20.8% us,  8.3% sy,  0.0% ni, 47.8% id, 22.6% wa,  0.0% hi,  0.5% si
Cpu2  : 17.0% us, 10.6% sy,  0.0% ni, 48.1% id, 23.5% wa,  0.0% hi,  0.7% si
Cpu3  : 18.7% us,  8.6% sy,  0.0% ni, 34.4% id, 33.6% wa,  0.5% hi,  4.2% si
Cpu4  : 15.9% us, 11.3% sy,  0.0% ni, 50.6% id, 21.8% wa,  0.0% hi,  0.5% si
Cpu5  : 18.1% us,  8.2% sy,  0.1% ni, 38.9% id, 34.1% wa,  0.0% hi,  0.7% si
Cpu6  : 19.1% us, 12.5% sy,  0.0% ni, 43.9% id, 23.5% wa,  0.0% hi,  1.1% si
Cpu7  : 17.0% us, 10.4% sy,  0.1% ni, 51.4% id, 20.6% wa,  0.0% hi,  0.5% si
Cpu8  : 17.7% us, 12.5% sy,  0.1% ni, 38.1% id, 31.0% wa,  0.0% hi,  0.5% si
Cpu9  : 19.6% us, 10.4% sy,  0.0% ni, 49.5% id, 20.1% wa,  0.0% hi,  0.5% si
Cpu10 : 18.9% us, 15.3% sy,  0.1% ni, 44.9% id, 19.2% wa,  0.2% hi,  1.4% si
Cpu11 : 24.4% us, 11.1% sy,  0.0% ni, 36.8% id, 26.5% wa,  0.0% hi,  1.1% si
Cpu12 : 19.3% us, 10.7% sy,  0.0% ni, 50.1% id, 19.2% wa,  0.0% hi,  0.7% si
Cpu13 : 16.4% us,  7.9% sy,  0.1% ni, 43.4% id, 31.6% wa,  0.0% hi,  0.5% si
Cpu14 : 17.9% us, 11.9% sy,  0.0% ni, 47.4% id, 22.2% wa,  0.0% hi,  0.6% si
Cpu15 : 24.2% us,  9.4% sy,  0.1% ni, 47.5% id, 18.1% wa,  0.0% hi,  0.7% si

这是详细的top运行情况

从运行情况来看 CPU 计算能力可以完全的满足要求 瓶颈应该是出在 内存 和 磁盘IO上

求助论坛的大虾给我一些意见

谢谢
发表于 2006-12-8 11:32:12 | 显示全部楼层
java web服务是用tomcat吗?
高负荷还是用resin吧.
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