もう少し頑張ってみるらしい。

Spring Seasar 
This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        Apache-Coyote/1.1
Server Hostname:        localhost
Server Port:            80

Document Path:          /employee-seasar2-teeda/view/emp/empList.html
Document Length:        16732 bytes

Concurrency Level:      10
Time taken for tests:   180.580489 seconds
Complete requests:      50000
Failed requests:        19
   (Connect: 0, Length: 19, Exceptions: 0)
Write errors:           0
Non-2xx responses:      19
Total transferred:      845743153 bytes
HTML transferred:       836290095 bytes
Requests per second:    276.88 [#/sec] (mean)
Time per request:       36.116 [ms] (mean)
Time per request:       3.612 [ms] (mean, across all concurrent requests)
Transfer rate:          4573.70 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0      10
Processing:     3   35  25.3     30     835
Waiting:        3   35  25.3     30     835
Total:          3   35  25.3     30     835

Percentage of the requests served within a certain time (ms)
  50%     30
  66%     37
  75%     43
  80%     47
  90%     59
  95%     71
  98%     89
  99%    102
 100%    835 (longest request)

Teedaとコンテナにも手が入ったり、結構な改善が…。
コンテナ側は、synchronizedを、色んな所からとったらし。
Tigerでも、同期コストはやっぱりタダでは無いみたい。

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        Apache-Coyote/1.1
Server Hostname:        localhost
Server Port:            80

Document Path:          /employee-seasar2-teeda/view/emp/empList.html
Document Length:        16732 bytes

Concurrency Level:      10
Time taken for tests:   160.536511 seconds
Complete requests:      50000
Failed requests:        19
   (Connect: 0, Length: 19, Exceptions: 0)
Write errors:           0
Non-2xx responses:      19
Total transferred:      845768803 bytes
HTML transferred:       836315556 bytes
Requests per second:    311.46 [#/sec] (mean)
Time per request:       32.107 [ms] (mean)
Time per request:       3.211 [ms] (mean, across all concurrent requests)
Transfer rate:          5144.91 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0      14
Processing:     3   31  24.6     27     901
Waiting:        3   31  24.4     26     901
Total:          3   31  24.6     27     901

Percentage of the requests served within a certain time (ms)
  50%     27
  66%     33
  75%     38
  80%     41
  90%     52
  95%     65
  98%     83
  99%     98
 100%    901 (longest request)