Am I reading the results correctly?

tomcat 5.5.9 - 16,331.81/sec
hybrid - 7,085.54/sec

that means the hybrid connector is 2x slower.  If those results are
accurate, I would say the APR connector is much better choice.

peter lin



On 5/25/05, Vicenc Beltran Querol <[EMAIL PROTECTED]> wrote:
> Hi,
> 
> The results of the AB benchmark configured with 20 concurrent clients are 
> posted below,
> If somebody is interested in more configurations (from 20 to 10000 concurrent 
> clients)
> they are available at http://www.bsc.es/edragon/pdf/TestAb.tgz
> 
> BTW, there is also available a comparison between Tomcat and the Hybrid 
> (Tomcat+NIO)
> web servers at http://www.bsc.es/edragon/pdf/TestRubisDynamic.tgz. The 
> comparison is
> based on the RUBiS benchmark and the httperf workload generator.
> 
> 
> Regards,
> 
> -Vicenç
> 
> 
> ./ab -k -c 20 -n 2000000 http://pcbosch:8080/tomcat.gif
> 
> Client: 2 way Xeon 2.4Ghz, 2GB RAM
> Server: 4 way Xeon 1.4Ghz, 2GB RAM
> Network: Gbit
> Java: build 1.5.0_03-b07
> 
> 
> Tomcat 5.5.9
> -------------------------------------------------------------
> -------------------------------------------------------------
> cument Path:          /tomcat.gif
> Document Length:        1934 bytes
> 
> Concurrency Level:      20
> Time taken for tests:   122.460403 seconds
> Complete requests:      2000000
> Failed requests:        0
> Write errors:           0
> Keep-Alive requests:    1980006
> Total transferred:      32937062 bytes
> HTML transferred:       -426963428 bytes
> Requests per second:    16331.81 [#/sec] (mean)
> Time per request:       1.225 [ms] (mean)
> Time per request:       0.061 [ms] (mean, across all concurrent requests)
> Transfer rate:          262.66 [Kbytes/sec] received
> 
> Connection Times (ms)
>               min  mean[+/-sd] median   max
> Connect:        0    0   0.0      0      14
> Processing:     0    0   2.5      0     636
> Waiting:        0    0   2.4      0     636
> Total:          0    0   2.5      0     636
> 
> Percentage of the requests served within a certain time (ms)
>   50%      0
>   66%      1
>   75%      1
>   80%      1
>   90%      1
>   95%      2
>   98%      6
>   99%     11
>  100%    636 (longest request)
> -------------------------------------------------------------
> -------------------------------------------------------------
> 
> 
> 
> 
> Tomcat Hybrid 5.5.9
> -------------------------------------------------------------
> -------------------------------------------------------------
> Document Path:          /tomcat.gif
> Document Length:        1934 bytes
> 
> Concurrency Level:      20
> Time taken for tests:   282.264843 seconds
> Complete requests:      2000000
> Failed requests:        0
> Write errors:           0
> Keep-Alive requests:    2000000
> Total transferred:      33032704 bytes
> HTML transferred:       -426967296 bytes
> Requests per second:    7085.54 [#/sec] (mean)
> Time per request:       2.823 [ms] (mean)
> Time per request:       0.141 [ms] (mean, across all concurrent requests)
> Transfer rate:          114.28 [Kbytes/sec] received
> 
> Connection Times (ms)
>               min  mean[+/-sd] median   max
> Connect:        0    0   0.0      0       1
> Processing:     0    2   1.7      2      24
> Waiting:        0    2   1.7      2      24
> Total:          0    2   1.7      2      24
> 
> Percentage of the requests served within a certain time (ms)
>   50%      2
>   66%      3
>   75%      4
>   80%      4
>   90%      5
>   95%      5
>   98%      6
>   99%      6
>  100%     24 (longest request)
> -------------------------------------------------------------
> -------------------------------------------------------------
> 
> 
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