Re: filter caching (done :)

> We have apachebenched our site without filter caching and with filter 
> caching, and we experienced an average of five times speed increase if 
> caching is used. Therefore I would only suggest it to anybody who is in 
> the trouble of not being able to use expensive filters because of their 
> extremely slow code... Feel free to do more benchmarks against it :)

Dries asked me to back my writing with some exact benchmarks :) Here 
they are (hostname hidden). These have been done today, and these only 
show a four time increase in speed. I also had benchmarks showing 0.11 
requests / second without filter caching and 0.55 requests / second with 
filter caching yesterday, but since then, our homepage contents (nodes 
displayed), changed completely, and the diferrent data set provides 
different results obviously...

------------------------------------------------------------------------------------
With all the filters turned on, using APC, without filter caching
------------------------------------------------------------------------------------
./ab -n 100 -c 5 http://**************************.hu/
This is ApacheBench, Version 1.3d <$Revision: 1.70 $> apache-1.3
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 eljenekacsajok.weblabor.hu (be patient).....done
Server Software:        Apache/1.3.29
Server Hostname:        **************************.hu
Server Port:            80

Document Path:          /
Document Length:        25682 bytes

Concurrency Level:      5
Time taken for tests:   825.181 seconds
Complete requests:      100
Failed requests:        0
Broken pipe errors:     0
Total transferred:      2599500 bytes
HTML transferred:       2568200 bytes
Requests per second:    0.12 [#/sec] (mean)
Time per request:       41259.05 [ms] (mean)
Time per request:       8251.81 [ms] (mean, across all concurrent requests)
Transfer rate:          3.15 [Kbytes/sec] received

Connnection Times (ms)
              min  mean[+/-sd] median   max
Connect:       43   444  862.8    102  3175
Processing: 35998 40362 3609.6  39181 49533
Waiting:    35351 40362 3609.6  39181 49532
Total:      35998 40806 3778.9  39493 51182

Percentage of the requests served within a certain time (ms)
  50%  39493
  66%  41981
  75%  42800
  80%  44630
  90%  46978
  95%  48751
  98%  49585
  99%  50159
 100%  51182 (last request)

------------------------------------------------------------------------------------
With all the filters turned on, using APC, with filter caching
------------------------------------------------------------------------------------
./ab -n 100 -c 5 http://**************************.hu/
This is ApacheBench, Version 1.3d <$Revision: 1.70 $> apache-1.3
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 eljenekacsajok.weblabor.hu (be patient).....done
Server Software:        Apache/1.3.29
Server Hostname:        **************************.hu
Server Port:            80

Document Path:          /
Document Length:        25682 bytes

Concurrency Level:      5
Time taken for tests:   205.370 seconds
Complete requests:      100
Failed requests:        0
Broken pipe errors:     0
Total transferred:      2599500 bytes
HTML transferred:       2568200 bytes
Requests per second:    0.49 [#/sec] (mean)
Time per request:       10268.50 [ms] (mean)
Time per request:       2053.70 [ms] (mean, across all concurrent requests)
Transfer rate:          12.66 [Kbytes/sec] received

Connnection Times (ms)
              min  mean[+/-sd] median   max
Connect:       36   187  520.9     55  3132
Processing:  5975  9782 2216.9   9630 18917
Waiting:     5917  9782 2216.9   9629 18916
Total:       5975  9970 2226.6   9852 18971

Percentage of the requests served within a certain time (ms)
  50%   9852
  66%  10607
  75%  11121
  80%  11401
  90%  12994
  95%  13623
  98%  14813
  99%  16662
 100%  18971 (last request)