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From Oleg Kalnichevski <ol...@apache.org>
Subject [HttpCore] NIO extensions (first take) are ready for review
Date Thu, 31 Aug 2006 18:02:09 GMT
Folks,

NIO extensions (first take) are ready for review. Feel free to take a
look and let me know what you think. Feedback, suggestions, critique
will be highly appreciated.

I wrote a short description of the HttpCore NIO API the best way I
could:

http://wiki.apache.org/jakarta-httpclient/HttpCoreNioApi

There are also a couple of samples to show the new API in action.

It is premature to draw any conclusions yet but preliminary test results
show that NIO tends to perform significantly worse under heavy load than
the classic I/O. I'll be doing more tests with various scenarios (small/
large content entities, POST/GET request types, lots of idle connections
and a few ones under heavy load, and so on) to make the picture more
complete.

Oleg

=============================================
HttpCore on MINA
=============================================
Server Software:        MINA-HttpServer/1.1
Server Hostname:        localhost
Server Port:            8080

Document Path:          /index.html
Document Length:        12928 bytes

Concurrency Level:      50
Time taken for tests:   42.598608 seconds
Complete requests:      100000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    100000
Total transferred:      1308751914 bytes
HTML transferred:       1293048774 bytes
Requests per second:    2347.49 [#/sec] (mean)
Time per request:       21.299 [ms] (mean)
Time per request:       0.426 [ms] (mean, across all concurrent
requests)
Transfer rate:          30002.81 [Kbytes/sec] received
=============================================
HttpCore (NIO)
=============================================
Server Software:        Jakarta-HttpComponents-NIO/1.1
Server Hostname:        localhost
Server Port:            8080

Document Path:          /index.html
Document Length:        12928 bytes

Concurrency Level:      50
Time taken for tests:   46.386961 seconds
Complete requests:      100000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    100000
Total transferred:      1309763840 bytes
HTML transferred:       1292960480 bytes
Requests per second:    2155.78 [#/sec] (mean)
Time per request:       23.193 [ms] (mean)
Time per request:       0.464 [ms] (mean, across all concurrent
requests)
Transfer rate:          27573.83 [Kbytes/sec] received
=============================================
HttpCore (classic)
=============================================
Server Software:        Jakarta-HttpComponents/1.1
Server Hostname:        localhost
Server Port:            8080

Document Path:          /index.html
Document Length:        12928 bytes

Concurrency Level:      50
Time taken for tests:   26.785007 seconds
Complete requests:      100000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    100000
Total transferred:      1309278552 bytes
HTML transferred:       1292877568 bytes
Requests per second:    3733.43 [#/sec] (mean)
Time per request:       13.393 [ms] (mean)
Time per request:       0.268 [ms] (mean, across all concurrent
requests)
Transfer rate:          47735.36 [Kbytes/sec] received



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