Tomcat6每秒最多并发60
这个话题可能有点老了，但是我没有找到具体的答案，所以再拿出了讨论下。
看了robbin轻松并发1000,我却怎么都搞不起来，很是疑惑，望有经验的同仁指点。
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服务器配置：
操作系统：Red Hat Enterprise 5 64位
CPU:?????? 2颗4核Intel(R) Xeon(R) CPU? E5410? @ 2.33GHz 64位
内存：???? 8G
Tomcat : 6.0.18
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Tomcat配置：
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<Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="1000" minSpareThreads="25" /> <Connector port="80" executor="tomcatThreadPool" protocol="HTTP/1.1" redirectPort="443" connectionTimeout="20000" maxThreads="1000" acceptCount="250" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" compression="on" compressionMinSize="2048" compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain" disableUploadTimeout="true" URIEncoding="UTF-8"/>?
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我在自己电脑上测服务器并发
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C:\Program Files\Apache Group\Apache2\bin>ab -n 1000 -c 60 http://www.mytomcat.cn/This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Copyright (c) 2006 The Apache Software Foundation, http://www.apache.org/Benchmarking www.mytomcat.cn (be patient)Completed 100 requestsCompleted 200 requestsCompleted 300 requestsCompleted 400 requestsCompleted 500 requestsCompleted 600 requestsCompleted 700 requestsCompleted 800 requestsCompleted 900 requestsFinished 1000 requestsServer Software: Apache-Coyote/1.1Server Hostname: www.mytomcat.cnServer Port: 80Document Path: /Document Length: 154468 bytesConcurrency Level: 60Time taken for tests: 134.593750 secondsComplete requests: 1000Failed requests: 3 (Connect: 3, Length: 0, Exceptions: 0)Write errors: 0Total transferred: 154674000 bytesHTML transferred: 154468000 bytesRequests per second: 7.43 [#/sec] (mean)Time per request: 8075.625 [ms] (mean)Time per request: 134.594 [ms] (mean, across all concurrent requests)Transfer rate: 1122.25 [Kbytes/sec] receivedConnection Times (ms) min mean[+/-sd] median maxConnect: 0 68 699.4 15 9046Processing: 31 7919 12149.5 844 51813Waiting: 0 3764 9156.9 328 30656Total: 46 7988 12189.6 859 51828Percentage of the requests served within a certain time (ms) 50% 859 66% 906 75% 12703 80% 24750 90% 30781 95% 30812 98% 33656 99% 33718 100% 51828 (longest request)
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C:\Program Files\Apache Group\Apache2\bin>ab -n 1000 -c 70 http://www.mytomcat.cn/This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> apache-2.0Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Copyright (c) 2006 The Apache Software Foundation, http://www.apache.org/Benchmarking www.mytomcat.cn (be patient)apr_pollset_create failed: Invalid argument (22)
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才并发70就不行了，maxThreads , acceptCount, minSpareThreads,maxSpareThreads这几个参数怎么样设置为最佳，欢迎来拍砖
[root@localhost bin]# ab -n 10000 -c 1000 http://www.mytomcat.cn/This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Copyright 2006 The Apache Software Foundation, http://www.apache.org/Benchmarking www.mytomcat.cn (be patient)Completed 1000 requestsCompleted 2000 requestsCompleted 3000 requestsCompleted 4000 requestsCompleted 5000 requestsCompleted 6000 requestsCompleted 7000 requestsCompleted 8000 requestsCompleted 9000 requestsFinished 10000 requestsServer Software: Server Hostname: www.mytomcat.cnServer Port: 80Document Path: /Document Length: 0 bytesConcurrency Level: 1000Time taken for tests: 108.106467 secondsComplete requests: 10000Failed requests: 60 (Connect: 0, Length: 60, Exceptions: 0)Write errors: 0Non-2xx responses: 9775Total transferred: 4133782 bytesHTML transferred: 22140 bytesRequests per second: 92.50 [#/sec] (mean)Time per request: 10810.647 [ms] (mean)Time per request: 10.811 [ms] (mean, across all concurrent requests)Transfer rate: 37.33 [Kbytes/sec] receivedConnection Times (ms) min mean[+/-sd] median maxConnect: 0 4204 8252.3 957 94190Processing: 35 3436 10613.3 840 66946Waiting: 0 2146 6375.8 820 63949Total: 46 7640 12707.9 2478 95350Percentage of the requests served within a certain time (ms) 50% 2478 66% 4647 75% 7571 80% 10401 90% 22330 95% 46270 98% 60236 99% 61223 100% 95350 (longest request)[root@localhost bin]# ab -n 10000 -c 1000 http://www.mytomcat.cn/This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Copyright 2006 The Apache Software Foundation, http://www.apache.org/Benchmarking www.mytomcat.cn (be patient)Completed 1000 requestsCompleted 2000 requestsCompleted 3000 requestsCompleted 4000 requestsCompleted 5000 requestsCompleted 6000 requestsCompleted 7000 requestsCompleted 8000 requestsCompleted 9000 requestsFinished 10000 requestsServer Software: Server Hostname: www.mytomcat.cnServer Port: 80Document Path: /Document Length: 0 bytesConcurrency Level: 1000Time taken for tests: 126.468671 secondsComplete requests: 10000Failed requests: 59 (Connect: 0, Length: 59, Exceptions: 0)Write errors: 0Non-2xx responses: 9464Total transferred: 4003331 bytesHTML transferred: 21771 bytesRequests per second: 79.07 [#/sec] (mean)Time per request: 12646.867 [ms] (mean)Time per request: 12.647 [ms] (mean, across all concurrent requests)Transfer rate: 30.91 [Kbytes/sec] receivedConnection Times (ms) min mean[+/-sd] median maxConnect: 0 3560 7641.3 852 93969Processing: 13 5115 14623.1 786 71828Waiting: 0 1896 5952.3 740 62251Total: 38 8676 15604.4 2031 94669Percentage of the requests served within a certain time (ms) 50% 2031 66% 4534 75% 5735 80% 10219 90% 22583 95% 61123 98% 61218 99% 66278 100% 94669 (longest request)上面我运行了2次的结果，感觉比较慢，而且Failed requests有60个，不知道该如何优化了，欢迎拍砖？