Massimo / Michele Thanks for the input. I don't know anything about fork only mode. Looks like I have some reading to do. Thanks again for the input.
-Jim On Tue, Oct 25, 2016 at 4:02 AM, Michele Comitini < michele.comit...@gmail.com> wrote: > @Jim as per Massimo input, did you check that your uwsgi configuration is > in fork mode only, no threading? That could be one possible cause. > > Try also gunicorn instead of uwsgi http://gunicorn.org/ > > 2016-10-25 7:19 GMT+02:00 Massimo Di Pierro <massimo.dipie...@gmail.com>: > >> Rocket is a multithreaded server and pandas is not thread safe ( >> http://pandas.pydata.org/pandas-docs/stable/gotchas.html) be very >> careful with it. >> >> >> On Tuesday, 16 August 2016 13:19:42 UTC-5, Dave S wrote: >>> >>> >>> >>> On Tuesday, August 16, 2016 at 8:50:51 AM UTC-7, Jim S wrote: >>>> >>>> Hi >>>> >>>> I currently have my app deployed using Ubuntu 14.04 / nginx / uwsgi. I >>>> have a couple of servers load-balanced behind a haproxy server. I'm >>>> running ssl on the haproxy system and talking http to web2y through >>>> nginx/uwsgi. >>>> >>>> Now, I'm trying to upgrade ubuntu to 16.04 and an having issues with >>>> pandas (used in my web2py app) through the nginx/uwsgi stack. See this >>>> issue for what might be causing it - http://stackoverflow.com/que >>>> stions/19439190/segmentation-fault-while-using-pandas-in-uwsgi >>>> >>>> Fixing this error is obviously something beyond my capabilities so it >>>> got me thinking about alternative deployment options. One that I'm >>>> considering is replacing my nginx / uwsgi stack with just the rocket server >>>> to serve the web2py app. My rocket servers (2 of them) would be behind the >>>> haproxy server so would not be public-facing. >>>> >>>> I'm aware of the recommendation against running rocket in a production >>>> environment but am not aware of the reasons for the recommendation. >>>> >>>> My question - does running multiple rocket servers behind haproxy >>>> remove the concerns about rocket in a production environment? >>>> >>>> -Jim >>>> >>> >>> >>> I'm not familiar with Pandas, so I can't comment on that part. I run >>> rocket, but only a single instance as a development environment. Perhaps >>> Mariano and Massimo have tested other configurations, but I think the bulk >>> of us using rocket only run a single instance. >>> >>> What are the specific rocket concerns? Scaling? >>> >>> /dps >>> >>> -- >> 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) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Michele Comitini > Glisco s.n.c. > tel: +39 335 66 71 336 > > -- > 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) > --- > You received this message because you are subscribed to a topic in the > Google Groups "web2py-users" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/web2py/MTOjl8gPuTk/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > web2py+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- 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) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
