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» Java开发网 » 高性能Java数据库缓存
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| 作者 | Re:我的缓存思路和源代码（Java版的，含测试JSP） [Re:floater] |
haibo
CJSDN高级会员 
发贴: 322 
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 于 2008-08-04 10:43
     
floater wrote: 令我头痛的事，，下边就是top后Shift H 后的结果，，debian linux， 应该不是网络的问题，，因为我看apache延时超过10妙的很少， top - 10:25:10 up 310 days, 14:39, 1 user, load average: 1.61, 2.01, 1.96 Tasks: 851 total, 3 running, 847 sleeping, 0 stopped, 1 zombie Cpu  : 11.4%us, 0.6%sy, 0.0%ni, 87.9%id, 0.0%wa, 0.0%hi, 0.1%si, 0.0%stMem: 16433220k total, 12911932k used, 3521288k free, 158728k buffers Swap: 1951888k total, 48k used, 1951840k free, 4562588k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 18996 sms 18 0 3735m 2.0g 46m S 53 12.5 8383:25 java 3144 sms 15 0 130m 13m 796 S 7 0.1 0:02.21 httpd 28960 sms 15 0 245m 33m 812 S 6 0.2 1:16.81 httpd 30492 sms 15 0 1023m 165m 1396 S 5 1.0 9:19.39 httpd 16878 sms 15 0 476m 73m 1392 S 5 0.5 3:42.12 httpd 23049 sms 15 0 344m 50m 1396 R 5 0.3 2:20.75 httpd 1843 sms 15 0 152m 17m 812 S 5 0.1 0:16.52 httpd 22690 sms 15 0 353m 52m 1392 S 5 0.3 2:25.94 httpd 23261 sms 15 0 336m 49m 1396 S 5 0.3 2:15.12 httpd 2564 sms 15 0 138m 15m 800 S 4 0.1 0:07.50 httpd 18610 sms 15 0 437m 66m 1396 S 4 0.4 3:17.87 httpd 22686 sms 15 0 350m 52m 1396 S 4 0.3 2:23.86 httpd 25431 sms 15 0 307m 44m 1396 S 4 0.3 1:57.44 httpd 26398 sms 15 0 286m 40m 812 S 4 0.3 1:43.56 httpd 28723 sms 15 0 1063m 172m 1396 S 4 1.1 9:45.60 httpd 3354 sms 18 0 127m 13m 768 S 4 0.1 0:00.12 httpd 12019 sms 15 0 669m 105m 1396 S 4 0.7 5:37.15 httpd 25364 sms 15 0 300m 43m 1392 S 4 0.3 1:51.99 httpd 31076 sms 15 0 203m 27m 1392 S 4 0.2 0:49.51 httpd 3205 sms 15 0 3735m 2.0g 46m S 3 12.5 0:00.18 java 3256 sms 15 0 0 0 0 Z 3 0.0 0:00.84 httpd <defunct> 18519 sms 15 0 430m 65m 1396 S 3 0.4 3:13.08 httpd 18805 sms 15 0 420m 63m 1396 S 3 0.4 3:07.44 httpd 20240 sms 15 0 404m 61m 1392 S 3 0.4 2:58.74 httpd 2806 sms 15 0 134m 14m 808 S 2 0.1 0:04.72 httpd 2662 sms 15 0 3735m 2.0g 46m S 2 12.5 0:01.04 java 3222 sms 15 0 3735m 2.0g 46m S 2 12.5 0:00.19 java 15854 sms 16 0 521m 80m 1396 S 2 0.5 4:08.46 httpd 18518 sms 15 0 440m 67m 1396 S 2 0.4 3:19.58 httpd 22687 sms 15 0 346m 51m 1396 S 2 0.3 2:21.96 httpd 25679 sms 15 0 289m 41m 812 S 2 0.3 1:45.03 httpd 1700 sms 15 0 152m 18m 1392 S 2 0.1 0:16.16 httpd 2619 sms 15 0 137m 15m 800 S 2 0.1 0:06.47 httpd 1512 sms 15 0 3735m 2.0g 46m S 2 12.5 0:02.07 java 2692 sms 15 0 3735m 2.0g 46m S 2 12.5 0:00.88 java 26200 sms 15 0 287m 41m 1396 R 2 0.3 1:44.63 httpd 2929 sms 16 0 3735m 2.0g 46m S 1 12.5 0:00.52 java 3000 sms 15 0 3735m 2.0g 46m S 1 12.5 0:00.41 java 3219 sms 15 0 3735m 2.0g 46m S 1 12.5 0:00.08 java 3266 sms 15 0 3735m 2.0g 46m S 1 12.5 0:00.10 java 3198 sms 15 0 11256 1936 952 R 1 0.0 0:01.11 top 2296 sms 15 0 3735m 2.0g 46m S 1 12.5 0:01.47 java 2322 sms 15 0 3735m 2.0g 46m S 1 12.5 0:01.33 java 2334 sms 15 0 3735m 2.0g 46m S 1 12.5 0:01.19 java |
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