Now I create two rails apps one by 2.2.2, the other by 2.3.3, each
created with users scaffolding. Then I access /users/ to touch rails.
Each test is performed several times. Accessing from local machine,
the performance seem to be no much difference; it's both about 40ms
per request. However, accessing from a remote server, there's a
dramatic difference:
================Rails 2.3.3================
hoo...@db:~$ ab -n 5 http://210.77.26.176:3000/users/
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $>
apache-2.0
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright 2006 The Apache Software Foundation, http://www.apache.org/
Benchmarking 210.77.26.176 (be patient).....done
Server Software: WEBrick/1.3.1
Server Hostname: 210.77.26.176
Server Port: 3000
Document Path: /users/
Document Length: 1301 bytes
Concurrency Level: 1
Time taken for tests: 50.448329 seconds
Complete requests: 5
Failed requests: 0
Write errors: 0
Total transferred: 9200 bytes
HTML transferred: 6505 bytes
Requests per second: 0.10 [#/sec] (mean)
Time per request: 10089.666 [ms] (mean)
Time per request: 10089.666 [ms] (mean, across all concurrent
requests)
Transfer rate: 0.16 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 2 5 4.7 6 12
Processing: 10061 10083 22.3 10080 10121
Waiting: 10060 10082 21.9 10078 10119
Total: 10063 10089 26.3 10085 10133
Percentage of the requests served within a certain time (ms)
50% 10082
66% 10089
75% 10089
80% 10133
90% 10133
95% 10133
98% 10133
99% 10133
100% 10133 (longest request)
=====================Rails 2.2.2================
hoo...@db:~$ ab -n 5 http://210.77.26.176:3000/users/
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $>
apache-2.0
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright 2006 The Apache Software Foundation, http://www.apache.org/
Benchmarking 210.77.26.176 (be patient).....done
Server Software: WEBrick/1.3.1
Server Hostname: 210.77.26.176
Server Port: 3000
Document Path: /users/
Document Length: 1298 bytes
Concurrency Level: 1
Time taken for tests: 0.307687 seconds
Complete requests: 5
Failed requests: 0
Write errors: 0
Total transferred: 9140 bytes
HTML transferred: 6490 bytes
Requests per second: 16.25 [#/sec] (mean)
Time per request: 61.537 [ms] (mean)
Time per request: 61.537 [ms] (mean, across all concurrent
requests)
Transfer rate: 26.00 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 2 3 2.2 4 6
Processing: 35 57 46.3 37 140
Waiting: 34 56 46.4 36 139
Total: 37 61 45.9 43 143
Percentage of the requests served within a certain time (ms)
50% 43
66% 43
75% 43
80% 143
90% 143
95% 143
98% 143
99% 143
100% 143 (longest request)
On Sep 4, 11:30 pm, Frederick Cheung <[email protected]>
wrote:
> On Sep 4, 3:31 pm, Clive <[email protected]> wrote:
>
> > No, they all ran in development mode. In our production machines, I
> > did not notice such huge difference in performance. If it is because
> > of the development mode, I wonder:
> > 1. What slows Rails 2.3.3 down in development?
> > 2. How to overcome it? We need to test our app in our development
> > machine, this slows down our development significantly and makes the
> > developers very frustrated when they need to wait for each request.
>
> Does your other message implies that the app responds quickly when
> accessing it from localhost ? (I was. if that is the discriminating
> factor then it is very curious). Also it was my impression that
> webrick/mongrel only pass the request to rails if there isn't a file
> in public that matches (ie hitting / just returns index.html with
> basically no rails interaction)
>
> Fred
>
> > On Sep 4, 3:25 am, Colin Law <[email protected]> wrote:
>
> > > 2009/9/3 Clive <[email protected]>:
>
> > > > On my Ubuntu 8.04 64 bit desktop, I created an empty Rails project and
> > > > from another machine, I used
> > > > ab -n 10http://210.77.27.169:3000/
> > > > to test the performance:
>
> > > Were they both running in production mode?
>
> > > Colin
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