Not sure if that is the problem, but upon first access to a resource, The web server extracts the resource from the JAR file and puts it into the temp directpry. Maybe that is slow for whatever reason?
On Thu, Dec 15, 2016 at 8:04 PM, Yury Ruchin <yuri.ruc...@gmail.com> wrote: > Hi, > > I'm seeing an issue with the load speed of Flink Web UI when running in > YARN session. Initial load takes several minutes or even more, although > according to the browser console there are only a couple of MBs to > download. When the loading is complete, the UI itself is quite responsive. > > I don't see such an issue with YARN UI loading from the same cluster over > the same network. I suspected that YARN proxy may cause the slowdown and > hit the direct Flink web UI URL - the same story. CPU, load average and > memory consumption on the node hosting job manager are low. I gave > jobmanager from 4Gb to 10Gb heap - no effect. > > Any ideas on how to approach the problem are appreciated. > > Thanks, > Yury >