On Thu, Dec 4, 2008 at 1:10 PM, Lionel Bouton < [EMAIL PROTECTED]> wrote:
> > Mahmoud Said a écrit, le 12/04/2008 10:44 AM : > > [...] > > that's was a bit expected due to the fact that thin uses EventMachine > > instead of spawning threads for handling requests like mongrel... the > > more concurrency level u have.. the more context switching between > > threads... > > Ruby threads are green threads : there's no context switching. And IIRC > they are built around select internally so they basically use the same > underlying system code EventMachine uses. > I'm not sure about how ruby green threads or implemented. but I guessed they have some scheduling mechanism (within the user space) that is different from the EventMachine approach. Thus scheduling and switching overhead. Maybe I'm wrong... and there is some other reason that makes thins quite faster for small requests. I tried comparing them again for a very small request that does nothing but *render :text=>'1234567890'* thin is 79% faster than mongrel *Mongrel* Server Software: Mongrel Server Hostname: localhost Server Port: 3001 Document Path: / Document Length: 10 bytes Concurrency Level: 500 Time taken for tests: 60.121 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 468000 bytes HTML transferred: 10000 bytes Requests per second: 16.63 [#/sec] (mean) Time per request: 30060.399 [ms] (mean) Time per request: 60.121 [ms] (mean, across all concurrent requests) Transfer rate: 7.60 [Kbytes/sec] received Thin Server Software: thin Server Hostname: localhost Server Port: 3000 Document Path: / Document Length: 10 bytes Concurrency Level: 500 Time taken for tests: 33.922 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 444652 bytes HTML transferred: 10060 bytes Requests per second: 29.48 [#/sec] (mean) Time per request: 16961.071 [ms] (mean) Time per request: 33.922 [ms] (mean, across all concurrent requests) Transfer rate: 12.80 [Kbytes/sec] received For larger requests (requests that needs db queries and a lot of processing) they're nearly the same > > Lionel > > -- Mahmoud Said Software Developer blog.modsaid.com www.eSpace.com.eg --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
