shinydashboard - R shiny: How to debug deployed app? -


i created r shiny application , runs on machine. deployed on shinyapps.io server. when try click 1 of buttons perform task, screen grays out (hangs). same task completed when run app locally. can't see error lies because run on local machine. ideas how can debug this?

this log of application:

2015-07-07t21:52:53.949714+00:00 shinyapps[50164]: 2015-07-07t21:52:53.950026+00:00 shinyapps[50164]: 2015-07-07t21:52:53.839040+00:00 shinyapps[50164]: following object masked ‘package:stats’: 2015-07-07t21:52:53.949719+00:00 shinyapps[50164]: 2015-07-07t21:52:53.960914+00:00 shinyapps[50164]: isnamespaceloaded 2015-07-07t21:52:53.949718+00:00 shinyapps[50164]: attaching package: ‘pkgmaker’ 2015-07-07t21:52:53.960916+00:00 shinyapps[50164]: 2015-07-07t21:52:53.950023+00:00 shinyapps[50164]: following object masked ‘package:s4vectors’: 2015-07-07t21:52:54.666591+00:00 shinyapps[50164]: nmf - bioconductor layer [ok] | shared memory capabilities [no: bigmemory] | cores 15/16 2015-07-07t21:52:54.666968+00:00 shinyapps[50164]: enable shared memory capabilities, try: install.extras(' 2015-07-07t21:52:54.666971+00:00 shinyapps[50164]: nmf 2015-07-07t21:52:54.666973+00:00 shinyapps[50164]: ') 2015-07-07t21:52:54.672080+00:00 shinyapps[50164]: 2015-07-07t21:52:54.672084+00:00 shinyapps[50164]: 2015-07-07t21:52:54.672634+00:00 shinyapps[50164]: following object masked ‘package:rgraphviz’: 2015-07-07t21:52:54.672636+00:00 shinyapps[50164]: 2015-07-07t21:52:54.672637+00:00 shinyapps[50164]: name 2015-07-07t21:52:54.672638+00:00 shinyapps[50164]: 2015-07-07t21:52:54.676643+00:00 shinyapps[50164]: following objects masked ‘package:topgo’: 2015-07-07t21:52:54.676645+00:00 shinyapps[50164]: 2015-07-07t21:52:54.672083+00:00 shinyapps[50164]: attaching package: ‘nmf’ 2015-07-07t21:52:54.676647+00:00 shinyapps[50164]: 2015-07-07t21:52:54.680862+00:00 shinyapps[50164]: following object masked ‘package:iranges’: 2015-07-07t21:52:54.680864+00:00 shinyapps[50164]: 2015-07-07t21:52:54.680865+00:00 shinyapps[50164]: compare 2015-07-07t21:52:54.680866+00:00 shinyapps[50164]: 2015-07-07t21:52:54.682353+00:00 shinyapps[50164]: following objects masked ‘package:s4vectors’: 2015-07-07t21:52:54.682355+00:00 shinyapps[50164]: 2015-07-07t21:52:54.682356+00:00 shinyapps[50164]: compare, nrun 2015-07-07t21:52:54.705236+00:00 shinyapps[50164]: loading required package: kegggraph 2015-07-07t21:52:54.713283+00:00 shinyapps[50164]: loading required package: xml 2015-07-07t21:52:54.676646+00:00 shinyapps[50164]: algorithm, algorithm<- 2015-07-07t21:52:54.682357+00:00 shinyapps[50164]: 2015-07-07t21:52:54.974597+00:00 shinyapps[50164]: 2015-07-07t21:52:54.974601+00:00 shinyapps[50164]: attaching package: ‘xml’ 2015-07-07t21:52:54.974602+00:00 shinyapps[50164]: 2015-07-07t21:52:54.975059+00:00 shinyapps[50164]: following object masked ‘package:graph’: 2015-07-07t21:52:54.975061+00:00 shinyapps[50164]: 2015-07-07t21:52:54.975062+00:00 shinyapps[50164]: addnode 2015-07-07t21:52:54.975063+00:00 shinyapps[50164]: 2015-07-07t21:52:55.046069+00:00 shinyapps[50164]: 2015-07-07t21:52:55.046423+00:00 shinyapps[50164]: following object masked ‘package:nmf’: 2015-07-07t21:52:55.046426+00:00 shinyapps[50164]: name<- 2015-07-07t21:52:55.046427+00:00 shinyapps[50164]: 2015-07-07t21:52:55.046425+00:00 shinyapps[50164]: 2015-07-07t21:52:55.046064+00:00 shinyapps[50164]: 2015-07-07t21:52:55.046068+00:00 shinyapps[50164]: attaching package: ‘kegggraph’ 2015-07-07t21:52:55.235031+00:00 shinyapps[50164]: warning in run(timeoutms) : 2015-07-07t21:52:55.235050+00:00 shinyapps[50164]: replacing previous import ‘dendextend::%>%’ when loading ‘nmf’ 2015-07-07t21:52:55.235175+00:00 shinyapps[50164]: warning in run(timeoutms) : 2015-07-07t21:52:55.235177+00:00 shinyapps[50164]: replacing previous import ‘dendextend::cutree’ when loading ‘nmf’

thanks

apparently, memory issue, 500mb of memory insufficient application. changed instance size medium (default free users) xx large , worked.

probably warning in run(timeoutms) in logs indicates out of memory.


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