OK, I had some flaws in the last test that, I have realized, were affecting the performance. For example uwsgi was outputing a whole lot of data into gnome-terminal, which used much CPU. The new benchmark with uwsgi running as a daemon:
Concurrency Level: 5 Time taken for tests: 22.585 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 6906000 bytes HTML transferred: 6531000 bytes Requests per second: 44.28 [#/sec] (mean) Time per request: 112.923 [ms] (mean) Time per request: 22.585 [ms] (mean, across all concurrent requests) Transfer rate: 298.62 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 65 113 6.2 111 164 Waiting: 65 112 6.2 111 164 Total: 66 113 6.2 111 164 Percentage of the requests served within a certain time (ms) 50% 111 66% 112 75% 113 80% 115 90% 119 95% 125 98% 133 99% 138 100% 164 (longest request) ALSO, I tried running uwsgi with 4 worker processes by adding the option "-p 4": Concurrency Level: 5 Time taken for tests: 14.575 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 Total transferred: 6906000 bytes HTML transferred: 6531000 bytes Requests per second: 68.61 [#/sec] (mean) Time per request: 72.876 [ms] (mean) Time per request: 14.575 [ms] (mean, across all concurrent requests) Transfer rate: 462.71 [Kbytes/sec] received On Jan 18, 6:20 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: > You are right, the admin interface does not do db IO. From your test > it is slow. Not sure why that is. > > On Jan 18, 2:14 am, Ivan P <ivanv...@gmail.com> wrote: > > > Hmmm, you are right. But, since I was loading the index page of the > > standard admin interface, that I have not compiled, I guess it is > > whatever the admin defaults are (does admin even use a db?). Right? > > > On Jan 18, 12:15 am, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > > In your benchmark, did you set migrate=False and bytecode compile the > > > app? Did you use Auth? How many additional tables? > > > > On Jan 17, 3:11 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > > > These tests basically measure lots of things at once and are dominated > > > > by the database. If your are using sqlite, it locks the database > > > > completely on every request so there is no concurrency. > > > > > I think we need a standard app for testing with various options: > > > > > 1) db, no-db > > > > 2) 1,10,100 tables > > > > 3) view, no-view > > > > 4) compiled, not-compiler > > > > > On Jan 17, 2:49 pm, Ivan P <ivanv...@gmail.com> wrote: > > > > > > Alex, > > > > > Actually, this is my first try at a production deployment, and I have > > > > > not set up another to test against. Is there a standard "ab" test that > > > > > is usually run for comparison in web2py community? In any case I ran > > > > > the following command with sqlite as the backend server (but doubt it > > > > > matters for this page) for the cherokee setup and the web2py builtin: > > > > > ab -n 1000 -c 5 url > > > > > > ===CHEROKEE results=== > > > > > > Server Software: Cherokee/0.99.39 > > > > > Server Hostname: cparts.localhost > > > > > Server Port: 80 > > > > > > Document Path: /admin/default/index > > > > > Document Length: 5658 bytes > > > > > > Concurrency Level: 5 > > > > > Time taken for tests: 41.809 seconds > > > > > Complete requests: 1000 > > > > > Failed requests: 0 > > > > > Write errors: 0 > > > > > Total transferred: 6031000 bytes > > > > > HTML transferred: 5658000 bytes > > > > > Requests per second: 23.92 [#/sec] (mean) > > > > > Time per request: 209.043 [ms] (mean) > > > > > Time per request: 41.809 [ms] (mean, across all concurrent > > > > > requests) > > > > > Transfer rate: 140.87 [Kbytes/sec] received > > > > > > Connection Times (ms) > > > > > min mean[+/-sd] median max > > > > > Connect: 0 0 0.1 0 3 > > > > > Processing: 65 208 11.3 208 283 > > > > > Waiting: 65 208 11.3 208 283 > > > > > Total: 69 209 11.2 208 283 > > > > > > Percentage of the requests served within a certain time (ms) > > > > > 50% 208 > > > > > 66% 212 > > > > > 75% 214 > > > > > 80% 215 > > > > > 90% 219 > > > > > 95% 223 > > > > > 98% 235 > > > > > 99% 245 > > > > > 100% 283 (longest request) > > > > > > ===CHERRY PY results=== > > > > > > Server Software: CherryPy/3.2.0beta > > > > > Server Hostname: localhost > > > > > Server Port: 8000 > > > > > > Document Path: /welcome/default/index > > > > > Document Length: 6531 bytes > > > > > > Concurrency Level: 5 > > > > > Time taken for tests: 41.120 seconds > > > > > Complete requests: 1000 > > > > > Failed requests: 0 > > > > > Write errors: 0 > > > > > Total transferred: 6892000 bytes > > > > > HTML transferred: 6531000 bytes > > > > > Requests per second: 24.32 [#/sec] (mean) > > > > > Time per request: 205.601 [ms] (mean) > > > > > Time per request: 41.120 [ms] (mean, across all concurrent > > > > > requests) > > > > > Transfer rate: 163.68 [Kbytes/sec] received > > > > > > Connection Times (ms) > > > > > min mean[+/-sd] median max > > > > > Connect: 0 0 0.0 0 0 > > > > > Processing: 51 205 66.0 197 499 > > > > > Waiting: 50 201 65.2 193 499 > > > > > Total: 52 205 66.0 197 499 > > > > > > Percentage of the requests served within a certain time (ms) > > > > > 50% 197 > > > > > 66% 222 > > > > > 75% 240 > > > > > 80% 254 > > > > > 90% 296 > > > > > 95% 328 > > > > > 98% 368 > > > > > 99% 402 > > > > > 100% 499 (longest request) > > > > > > Sure, I'll make it a slice. > > > > > > On Jan 17, 11:01 pm, Alex Fanjul <alex.fan...@gmail.com> wrote: > > > > > > > Many thanks for your tutorial Ivan, > > > > > > I'll give it a try... have you noticed any improvements with > > > > > > cherokee? > > > > > > could you show us your "ab" benchmarks? > > > > > > > regards, > > > > > > Alex F > > > > > > > P.S: try to make an slice in web2pyslices.com > > > > > > > El 14/01/2010 23:14, Ivan P escribi : > > > > > > > > Inspired by Phyo Arkar's howto on setting up web2py with Cherokee > > > > > > > and > > > > > > > FCGI I tried the setup, but was somewhat unsatisfied with the fcgi > > > > > > > method and decided to try uWSGI. I am happy I did so, since it > > > > > > > proved > > > > > > > to be real easy and uWSGI is a real powerhouse and deserves > > > > > > > attention > > > > > > > of the whole python webdev community. On to the howto. > > > > > > > > I. Compile from source and run the latest uWSGI, 0.9.3 in my case > > > > > > > (available herehttp://projects.unbit.it/uwsgi/wiki). > > > > > > > 1. Download the source from and unzip. > > > > > > > > 2. To compile you must install packages python-dev and > > > > > > > libxml2-dev (at > > > > > > > least thats what they are called on a debian-based system) > > > > > > > > 3. When compiling simply run pick a makefile which matches your > > > > > > > OS and > > > > > > > python version and run something like "make -f > > > > > > > Makefile.Linux.Py26". > > > > > > > This produces only one executable named uwsgi26, where 26 is my > > > > > > > python > > > > > > > version. You can put it in /usr/local/bin. > > > > > > > > 5. To run it, you have two options: > > > > > > > > 5a) Create an xml file and call it, for example, config.xml. Put > > > > > > > something like this in it: > > > > > > > <uwsgi> > > > > > > > <pythonpath>/var/web2py/</pythonpath> > > > > > > > <app mountpoint="/"> > > > > > > > <script>wsgihandler</script> > > > > > > > </app> > > > > > > > </uwsgi> > > > > > > > In this file "pythonpath" is where your web2py directory is and > > > > > > > "script" is the file you want to run, in this case its web2py's > > > > > > > "wsgihandler.py". Now run uWSGI like this, but replace "www-data" > > > > > > > with > > > > > > > the owner of your web2py directory, if its the same as your > > > > > > > current > > > > > > > user omit the sudo command: > > > > > > > sudo -u www-data uwsgi26 -s /tmp/uwsgi.sock -C -x config.xml > > > > > > > Why you need to change user is because web2py writes things > > > > > > > (session > > > > > > > data for example) to disc during execution, so the uwsgi process, > > > > > > > which runs the web2py code, has to be the owner of the directories > > > > > > > that contain the framework. Note that uwsgi now opened a socket we > > > > > > > called "/tmp/uwsgi.sock" About other options consult the uwsgi > > > > > > > manual > > > > > > > or "uwsgi -h". > > > > > > > > 5b) You can omit the xml file and pass all the info via command > > > > > > > line, > > > > > > > doing that is easy, so consult the uwsgi docs :) > > > > > > > > II. Setting up cherokee (0.99.37 in my case). > > > > > > > 1. Install it, run cherokee-admin, go to localhost:9090 > > > > > > > > 2. Open "Information Sources" and create a new one with these > > > > > > > parameters: > > > > > > > Nick: web2py > > > > > > > Connection: /tmp/uwsgi.sock > > > > > > > Interpreter: uwsgi26 -s /tmp/uwsgi.sock -C -x /path/to/config.xml > > > > > > > The interpreter line is why it is a good idea to have your web2py > > > > > > > source owned by www-data or the Cherokee server's user - when > > > > > > > cherokee > > > > > > > runs it, you can be sure that owners of the sources and process > > > > > > > match. > > > > > > > And of course put the correct path in. > > > > > > > > 3. Go to "Virtual Servers" and edit the default one, or you can > > > > > > > create > > > > > > > a new one, but make sure you give it a domain name to avoid > > > > > > > conflict > > > > > > > (not really sure what happens when they conflict). > > > > > > > > 4. Go to the "Behavior" section and edit the "Default" behavior. > > > > > > > > 5. Set the "Handler" to uWSGI and on the bottom set the > > > > > > > information > > > > > > > source to "web2py" > > > > > > > > 6. Pick "Hard restart" from the dropdown on the left and click > > > > > > > "Save". > > > > > > > TO PREVENT HEADACHE READ THIS: I seem to get inconsistent results > > > > > > > with > > > > > > > these restarts, so if you're doing production it seems to me that > > > > > > > one > > > > > > > should restart the server manualy (via /etc/init.d/cherokee > > > > > > > restart, > > > > > > > that is). Or maybe I should RTFM. > > > > > > > > 6. Go to localhost and BAM! (or at least I hope its a bam). veeery > > > > > > > easy if all goes smooth. > > > > > > > > "But wait, what about url rewriting?" was my thought, and this > > > > > > > caused > > > > > > > much confusion, so I'll add a section on that. > > > > > > > > III. Doing some redirection (I'll give few examples due to poor > > > > > > > knowledge of regex). > > > > > > > Lets redirect "localhost/" to "/myapp/cntrlr/index" > > > > > > > 1. Go back to the "Behavior" section of your server. > > > > > > > > 2. Add a new rule and set it's type to "Regular Expression" and > > > > > > > set > > > > > > > the regular expression to "^/$", this simply matches "localhost/" > > > > > > > or > > > > > > > "localhost", nothing more, nothing less. > > > > > > > > 3. Go to the "Handler" section and set the rule to "Redirect" with > > > > > > > these parameters > > > > > > > Type: Internal > > > > > > > Regular Expression: (yes, blank) > > > > > > > Substitution: /myapp/cntrlr/index > > > > > > > The regular expression is blank because for this scenario we did > > > > > > > all > > > > > > > the matching while defining a new behavior, you can combine the > > > > > > > two in > > ... > > read more »
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