Just for your information I have compared the web2py running default Rocket
http server and Tornado (using anyserver.py). Is very simple benchmark using
ApacheBench and accessing page from standard web2py examples.
Tests were running on WindowsXP, Python 2.7.2. and lastest web2py 1.96.4
####### Here we have default web2py running Rocket
Server Software: Rocket
Server Hostname: 127.0.0.1
Server Port: 8000
Document Path: /examples/simple_examples/hello5.html
Document Length: 179 bytes
Concurrency Level: 30
Time taken for tests: 4.953 seconds
Complete requests: 100
Failed requests: 0
Write errors: 0
Total transferred: 59800 bytes
HTML transferred: 17900 bytes
Requests per second: 20.19 [#/sec] (mean)
Time per request: 1485.938 [ms] (mean)
Time per request: 49.531 [ms] (mean, across all concurrent requests)
Transfer rate: 11.79 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 49 146.4 0 500
Processing: 47 1289 435.9 1453 1922
Waiting: 47 860 383.3 953 1516
Total: 47 1338 436.5 1453 2016
####### Here we have web2py running via Tornado using anyserver.py (running
Tornado from trunk ... so the latest one)
Server Software: TornadoServer/2.0rc1
Server Hostname: localhost
Server Port: 8080
Document Path: /examples/simple_examples/hello5.html
Document Length: 179 bytes
Concurrency Level: 30
Time taken for tests: 1.797 seconds
Complete requests: 100
Failed requests: 0
Write errors: 0
Total transferred: 53700 bytes
HTML transferred: 17900 bytes
Requests per second: 55.65 [#/sec] (mean)
Time per request: 539.063 [ms] (mean)
Time per request: 17.969 [ms] (mean, across all concurrent requests)
Transfer rate: 29.18 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 1.6 0 16
Processing: 125 508 152.1 563 969
Waiting: 63 461 142.2 516 578
Total: 125 509 151.8 563 969
More tests show that by increasing the number of concurent users the Tornado
becomes 2x or more faster. Not sure about overall .. real world ...
stability, but simply runnng web2py with different http server you can
increase application responsivness. Does anyone have any real world
experience with running web2py using Tornado? Is it stable? Any potential
disadvantages?
David
