[2005-01-21 19:36] Anthony Ginepro said:
| After successfully compiling both jdk, I found than patchset-1 makes
| tomcat-5.0.30 and tomcat-5.5.4 really slow compared with
| patchset-experimental.

  I am seeing similar performance from 1.5.0-p1 on 5.3-STABLE,
too.  Tomcat 5.5.7 takes between 4-6 minutes to start.  Initial
request for a jsp page takes 1-2 minutes.  Subsequent requests
are quick, with the exception of occasional (occuring a few 
times per minute) requests that seem to hang/block for 6-9
seconds.  When the hang occurs, the java process is not
consuming any cpu.  The output of ab2 below confirms the 9
second hang observation.  Let me know what/if there's anything
I can do to assist in finding the cause of this behaviour.

cheers.
  brent


 sleepy:~
$brent$ ab2 -n 100 -c 1 http://mini:8080/_res/dev/env.jsp
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 mini (be patient).....done


Server Software:        Apache-Coyote/1.1
Server Hostname:        mini
Server Port:            8080

Document Path:          /_res/dev/env.jsp
Document Length:        11689 bytes

Concurrency Level:      1
Time taken for tests:   72.583510 seconds
Complete requests:      100
Failed requests:        56
   (Connect: 0, Length: 56, Exceptions: 0)
Write errors:           0
Total transferred:      1190144 bytes
HTML transferred:       1169044 bytes
Requests per second:    1.38 [#/sec] (mean)
Time per request:       725.835 [ms] (mean)
Time per request:       725.835 [ms] (mean, across all concurrent requests)
Transfer rate:          16.01 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:     5  725 2544.1      6    9924
Waiting:        4  723 2544.2      4    9922
Total:          5  725 2544.1      6    9924

Percentage of the requests served within a certain time (ms)
  50%      6
  66%      6
  75%      8
  80%     15
  90%     42
  95%   9910
  98%   9923
  99%   9924
 100%   9924 (longest request)





| 
| tomcat startup with 1.5.0-p1 : 133906 ms
| tomcat startup with 1.5.0-exp: 4268 ms
| 
| All jsp pages are also really slow to use at first.
| 
| If you want me to try patchset in order to solve the issue or if you
| need more information, send email directly.
| 
| Thanks again for all your good work,
| Anthony.
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