Todd: Very valuable comments, that's just the kind of problem I believe should be addressed with an asynchronous approach.
On Tue, Apr 13, 2010 at 5:20 PM, Todd Lipcon <t...@cloudera.com> wrote: > Not going to vote either way, as I haven't contributed to Cassandra in over > a year :) But one quick opinion: > > The big downside I see with Django and other WSGI based frameworks is that > it becomes difficult to run "background threads" in a clean way. Someone > mentioned this earlier, but worth repeating: there will be operations that > the management console wants to do that involve talking to all Cassandra > nodes. You will not want to do these for every request - rather it makes > sense to poll nodes in the background and maintain some in-memory data > structure. > > I think doing this kind of background monitoring in an async framework like > Tornado or Twisted is likely to be a lot easier. In building Cloudera > Desktop we ran into this issue and separated our health monitoring component > into a twisted service which then exposes data to the Django frontend. Had > Tornado been around when we started the Desktop project we might have > considered it instead. > > Thanks > -Todd > > On Tue, Apr 13, 2010 at 12:51 PM, Pablo Cuadrado > <pablocuadr...@gmail.com>wrote: > >> Yes, in the big picture, I guess Pylons has a greater community and >> adoption. >> >> On Tue, Apr 13, 2010 at 4:47 PM, Miguel Verde <miguelitov...@gmail.com> >> wrote: >> > -1 vote for Tornado. As far as I know, it still doesn't run on Windows >> and >> > has had only 2 releases. I don't think it makes sense to push that as a >> > dependency to potential deployers of this UI. >> > >> > There are many alternatives with broader platform support and more >> > consistent mainline releases: Bottle, CherryPy, Django, Paste/Pylons, >> > Werkzeug >> > On Tue, Apr 13, 2010 at 2:37 PM, Paul Bohm <boh...@gmail.com> wrote: >> > >> >> tornado +1 - it's lightweight and has few external dependencies. >> >> >> >> Pylons +4 >> >> Tornado +3 >> >> Django +1 >> >> Undetermined +2 >> >> >> >> On Tue, Apr 13, 2010 at 11:29 AM, Ray Slakinski < >> ray.slakin...@gmail.com> >> >> wrote: >> >> > I'll put in a vote for django, you can use managers to handle a lot of >> >> the object code. >> >> > >> >> > Ray Slakinski >> >> > >> >> > On 2010-04-13, at 2:15 PM, Pablo Cuadrado wrote: >> >> > >> >> >> Pylons +4 >> >> >> Tornado +2 >> >> >> Django +1 >> >> >> Undetermined +2 >> >> >> >> >> >> Do I smell Pylons? :) >> >> >> >> >> >> On Tue, Apr 13, 2010 at 3:13 PM, Brandon Williams <dri...@gmail.com> >> >> wrote: >> >> >>> On Tue, Apr 13, 2010 at 1:09 PM, Pablo Cuadrado < >> >> pablocuadr...@gmail.com>wrote: >> >> >>> >> >> >>>> Well, so far we are: >> >> >>>> >> >> >>>> Pylons +3 >> >> >>>> Tornado +2 >> >> >>>> Django +1 >> >> >>>> Undetermined +2 >> >> >>>> >> >> >>> >> >> >>> +1 for pylons. I think a more popular framework is likely to have >> >> better >> >> >>> chances of being maintained and avoiding bitrot in the long haul. >> >> >>> >> >> >>> -Brandon >> >> >>> >> >> > >> >> > >> >> >> > >> > > > > -- > Todd Lipcon > Software Engineer, Cloudera >
