I've finally had some time to get the new APR Connector compiled on my Solaris box, and my initial 'ab' tests seem to show that the Http11Protocol wins. I can see if I can get some time to do better tests next week.
The test consists of running 'ab' from an XP box like: ab -n 1000 -c 300 -k http://myserver:8080/tomcat.gif Except for the maxThreads noted below, the Tomcat settings are simply the default ones. The results for Http11AprProtocol (with maxThreads = 150): Concurrency Level: 300 Time taken for tests: 19.281250 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Keep-Alive requests: 1000 Total transferred: 2164000 bytes HTML transferred: 1934000 bytes Requests per second: 51.86 [#/sec] (mean) Time per request: 5784.375 [ms] (mean) Time per request: 19.281 [ms] (mean, across all concurrent requests) Transfer rate: 109.59 [Kbytes/sec] received The results for Http11Protocol (with maxThreads = 350) Concurrency Level: 300 Time taken for tests: 13.515625 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Keep-Alive requests: 1000 Total transferred: 2164000 bytes HTML transferred: 1934000 bytes Requests per second: 73.99 [#/sec] (mean) Time per request: 4054.688 [ms] (mean) Time per request: 13.516 [ms] (mean, across all concurrent requests) Transfer rate: 156.34 [Kbytes/sec] received Keeping the maxThread count low is the only way I can keep Apr alive at all: It fails with OutOfMemoryErrors if I give it 350 threads. This message is intended only for the use of the person(s) listed above as the intended recipient(s), and may contain information that is PRIVILEGED and CONFIDENTIAL. If you are not an intended recipient, you may not read, copy, or distribute this message or any attachment. If you received this communication in error, please notify us immediately by e-mail and then delete all copies of this message and any attachments. In addition you should be aware that ordinary (unencrypted) e-mail sent through the Internet is not secure. Do not send confidential or sensitive information, such as social security numbers, account numbers, personal identification numbers and passwords, to us via ordinary (unencrypted) e-mail.
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