It's running on rocket. I now think it's dying during a specific ajax call, 
but only some of the time and/or shortly after its called (there's usually 
a page load after it) and/or when it's excessively busy. Not sure if siege 
can automate the button clicks that trigger the ajax calls but I might be 
able to do something with selenium...

On Monday, November 4, 2013 4:26:21 PM UTC, LightDot wrote:
>
> Which version of web2py is it? Are you using gevent or rocket web server?
>
> Can you try load testing your devel version and see if you can replicate 
> the issue? You can use something like siege or a similar tool.
>
> Regards
>
>
> On Monday, November 4, 2013 4:56:32 PM UTC+1, Andrew Buchan wrote:
>>
>> Thanks Willoughby,
>>
>> We've got McAffee on that network, so have asked the IT guy to set it to 
>> ignore python and web2py folders. Will let you know what the upshot is once 
>> that's in place...
>>
>> Regards,
>>
>> Andy.
>>
>> On Monday, November 4, 2013 1:29:23 PM UTC, Willoughby wrote:
>>>
>>> Are you running Microsoft Endpoint Security?  I have problems with the 
>>> virus scanner 'locking up' things under even light usage.  One or two users 
>>> can bang all day, no problem but get more than 10 and it randomly freezes. 
>>>  Our fix was to exclude pretty much anything Python related.  YMMV.
>>>
>>> On Monday, November 4, 2013 6:15:56 AM UTC-5, Andrew Buchan wrote:
>>>>
>>>>  Hi, 
>>>>  
>>>> I have a serious issue. Got a web2py install running as a service on a 
>>>> Windows 2003 box with SQL Server, with applications serving 100s of users 
>>>> in-house. We have a live and test application running on the same install 
>>>> but pointing to different databases, and due to things not being released 
>>>> these have diverged quote a bit over the months. We just managed to 
>>>> reconcile these (with carefully supervised migration - one table at a 
>>>> time) 
>>>> last week, and the problems started happening. Web2py becomes unresponsive 
>>>> after a period of use - it just hangs when you try to load a page. There 
>>>> are no errors in web2py, in the event manager, or SQL. Rolling back those 
>>>> changes is tricky, as there have been changes to the database and data has 
>>>> already been added.. 
>>>> When left running over the weekend, its fine. If I try accessing every 
>>>> page, it's fine (or at least, I can't break it). If it goes into proper 
>>>> use 
>>>> with lots of other people accessing it, it crashes.
>>>>  
>>>> I don't know how to find out what's going wrong. It's a relatively 
>>>> recent build of web2py, and I don't want to upgrade to throw yet another 
>>>> variable in there (there also been changes to the server it uses fro its 
>>>> mail function, though that seems to work fine, and we just removed IIS 
>>>> from 
>>>> the same server).
>>>>  
>>>> Any ideas why web2py would just freeze?
>>>>
>>>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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