Tomcat6 优化

2.                redirectPort="8443"  
3.                connectionTimeout="20000"  
4.                />   
5. 修改后：   
7.                maxHttpHeaderSize="8192" useBodyEncodingForURI="true"  
8.                maxThreads="1000" minSpareThreads="25" maxSpareThreads="75"  
9.                redirectPort="8443"  
10.                enableLookups="false"  
11.                compression="on"    
12.                compressionMinSize="2048"  
13.                compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain"    
14.                connectionTimeout="20000"  
15.                disableUploadTimeout="true"  
16.                />  

修改后：

1. ab -c 1000 -n 10000 http://www.xxx.com/index.jsp  

ab -c 1000 -n 10000 http://www.xxx.com/index.jsp

1. Document Path:          /index.jsp   
2. Document Length:        337 bytes   
3.   
4. Concurrency Level:      1000  
5. Time taken for tests:   11.892186 seconds   
6. Complete requests:      10000  
7. Failed requests:        0  
8. Write errors:           0  
9. Total transferred:      5891178 bytes   
10. HTML transferred:       3370674 bytes   
11. Requests per second:    840.89 [#/sec] (mean)   
12. Time per request:       1189.219 [ms] (mean)   
13. Time per request:       1.189 [ms] (mean, across all concurrent requests)   
14. Transfer rate:          483.76 [Kbytes/sec] received   
15.   
16. Connection Times (ms)   
17.               min  mean[+/-sd] median   max   
18. Connect:        0   10 230.3      0    9000  
19. Processing:     0  743 2564.5     33   11859  
20. Waiting:        0  742 2564.3     33   11859  
21. Total:          1  753 2578.3     33   11883  
22.   
23. Percentage of the requests served within a certain time (ms)   
24.   50%     33  
25.   66%     37  
26.   75%     39  
27.   80%     40  
28.   90%    156  
29.   95%   3952  
30.   98%  11844  
31.   99%  11865  
32.  100%  11883 (longest request)  

Document Path:          /index.jspDocument Length:        337 bytesConcurrency Level:      1000Time taken for tests:   11.892186 secondsComplete requests:      10000Failed requests:        0Write errors:           0Total transferred:      5891178 bytesHTML transferred:       3370674 bytesRequests per second:    840.89 [#/sec] (mean)Time per request:       1189.219 [ms] (mean)Time per request:       1.189 [ms] (mean, across all concurrent requests)Transfer rate:          483.76 [Kbytes/sec] receivedConnection Times (ms)min  mean[+/-sd] median   maxConnect:        0   10 230.3      0    9000Processing:     0  743 2564.5     33   11859Waiting:        0  742 2564.3     33   11859Total:          1  753 2578.3     33   11883Percentage of the requests served within a certain time (ms)50%     3366%     3775%     3980%     4090%    15695%   395298%  1184499%  11865100%  11883 (longest request)

1. Document Path:          /index.jsp   
2. Document Length:        337 bytes   
3.   
4. Concurrency Level:      1000  
5. Time taken for tests:   1.827710 seconds   
6. Complete requests:      10000  
7. Failed requests:        0  
8. Write errors:           0  
9. Total transferred:      5952434 bytes   
10. HTML transferred:       3405722 bytes   
11. Requests per second:    5471.33 [#/sec] (mean)   
12. Time per request:       182.771 [ms] (mean)   
13. Time per request:       0.183 [ms] (mean, across all concurrent requests)   
14. Transfer rate:          3179.94 [Kbytes/sec] received   
15.   
16. Connection Times (ms)   
17.               min  mean[+/-sd] median   max   
18. Connect:        0   37  30.0     30     128  
19. Processing:    36  140  48.6    147     351  
20. Waiting:        4   83  39.9     77     306  
21. Total:         68  178  53.5    187     475  
22.   
23. Percentage of the requests served within a certain time (ms)   
24.   50%    187  
25.   66%    198  
26.   75%    202  
27.   80%    205  
28.   90%    212  
29.   95%    220  
30.   98%    230  
31.   99%    430  
32.  100%    475 (longest request)  

Document Path:          /index.jspDocument Length:        337 bytesConcurrency Level:      1000Time taken for tests:   1.827710 secondsComplete requests:      10000Failed requests:        0Write errors:           0Total transferred:      5952434 bytesHTML transferred:       3405722 bytesRequests per second:    5471.33 [#/sec] (mean)Time per request:       182.771 [ms] (mean)Time per request:       0.183 [ms] (mean, across all concurrent requests)Transfer rate:          3179.94 [Kbytes/sec] receivedConnection Times (ms)min  mean[+/-sd] median   maxConnect:        0   37  30.0     30     128Processing:    36  140  48.6    147     351Waiting:        4   83  39.9     77     306Total:         68  178  53.5    187     475Percentage of the requests served within a certain time (ms)50%    18766%    19875%    20280%    20590%    21295%    22098%    23099%    430100%    475 (longest request)