Re: Question about deployment of math computing

2020-08-05 Thread Ruben Safir
On Wed, Aug 05, 2020 at 10:47:48AM -0500, Mithun Bhattacharya wrote: > Assuming that is genuine curiosity can we please not deviate from the topic > ? IBM felt that way once. I think it is important to know what kind of aps we are developing, and for what uses.. You are aware of the broad use

Re: Question about deployment of math computing

2020-08-05 Thread Mithun Bhattacharya
Assuming that is genuine curiosity can we please not deviate from the topic ? On Wed, Aug 5, 2020 at 6:19 AM Ruben Safir wrote: > On Wed, Aug 05, 2020 at 09:46:18AM +0800, Wesley Peng wrote: > > Hi > > > > Mithun Bhattacharya wrote: > > >Do you really need a webserver which is providing a

Re: suggestions for perl as web development language [EXT]

2020-08-05 Thread tomcat/perl
On 04.08.2020 22:48, Mark Blackman wrote: [...] the web server handles all the complicated host or path rewrites and access control and the Perl app focuses on responding to the, now-sanitised, fully normalized, HTTP requests. I'll agree to that, up to a point. If you just want to write web

Re: Question about deployment of math computing

2020-08-05 Thread Ruben Safir
On Wed, Aug 05, 2020 at 09:46:18AM +0800, Wesley Peng wrote: > Hi > > Mithun Bhattacharya wrote: > >Do you really need a webserver which is providing a blocking service ? > > yes, this is a prediction server, which would be deployed in PROD > environment, the client application would request the

Re: Question about deployment of math computing [EXT]

2020-08-05 Thread Mark Blackman
> > > The good thing about Apache is it's dynamic rescaling - which isn't as easy > with starman - if you have a large code base the spin up time for starman can > be quite large as it appears (to make it efficient) load in every bit of code > that the application needs - even if it is one

Re: Question about deployment of math computing [EXT]

2020-08-05 Thread Wesley Peng
James, James Smith wrote: The services which use apache/mod_perl work reliably and return data for these - the dancer/starman sometimes fail/hang as there are no backends to serve the requests or those backends timeout requests to the nginx/proxy (but still continue using resources). The

RE: Question about deployment of math computing [EXT]

2020-08-05 Thread James Smith
Wesley, You will have seen my posts elsewhere - we work on large Terra/Peta byte scale datasets {and these aren't a large number of large records but more a very, very large number of small records} so the memory and response times are both large - less so compute in some cases but not others.