Step 1:
Simple welcome application works fine, and works fine even under heavy
load.
Step 2:
Now tried to stress my application under 1.60 and the result is:
---8<-cut-here----------------------------------------------
web2py Enterprise Web Framework
Created by Massimo Di Pierro, Copyright 2007-2009
Version 1.60 (2009-04-08 12:50:44)
Database drivers available: SQLite3, MySQL, Postgre
choose a password:koko
please visit:
http://127.0.0.1:8000
use "kill -SIGTERM 4494" to shutdown the web2py server
Segmentation fault
---8<-cut-here----------------------------------------------
Step 3:
Then i created a tiny little test app:
-/models/db.py---8<-cut-here--------------------------------
db = SQLDB('postgres://mole:x...@localhost/mole')
session.connect(request, response, db=db)
db.define_table('my_test_table',
SQLField('field_str', length=256),
SQLField('field_bool', 'boolean'),
SQLField('field_int', 'integer'),
SQLField('field_text','text'))
---8<-cut-here----------------------------------------------
and a simple controller:
-/controllers/default.py---8<-cut-here----------------------
def index():
db.my_test_table.insert( field_str = "some blah blah",
field_bool = True,
field_int = 123456,
field_text = "some longer blah blah")
db().select(db.my_test_table.ALL)
count = db(db.my_test_table.id>0).count()
response.flash = T('Welcome to web2py')
return dict(count = count , message=T('Hello World'))
---8<-cut-here----------------------------------------------
Well and i stressed this application puppy and segmantation falut came
again, so not surely, but i can say psycopg2 driver has some problem.
Going to stress this on mysql.
Michal
mdipierro wrote:
> This is the first time I hear about it. A bug in your app should not
> cause web2py to crash.
>
> is this related to traffic?
>
> What if you just run welcome?
>
> What if you just run welcome and establish connections to DB via
> psycopg2?
>
> I think it is necessary to isolate the cause of these crashes.
>
> Make sure you are running 1.60.
>
> Massimo
>
> On Apr 8, 7:00 pm, Michal Jursa <[email protected]> wrote:
>> Hi,
>> i finished my very first application done with web2py and i have a
>> little problem. I use it on Debian 64bit, python 2.5 with psycopg2 and
>> sometimes the application crashes without a word. As I publish this via
>> reverse proxy, then crash of the application means web service is down.
>> I will have to deploy my application via mod_python wrapper coz then new
>> service is started automatically i guess. But is there any stability
>> problem or is there something wrong in my application. I found there is
>> some trouble with psycopg2, but nothing exact. Any idea?
>>
>> Michal
> >
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