Do you mean you cannot access Master UI after your application completes? Could you check the master log?
On Mon, Feb 29, 2016 at 3:48 PM, Sumona Routh <sumos...@gmail.com> wrote: > Hi there, > I've been doing some performance tuning of our Spark application, which is > using Spark 1.2.1 standalone. I have been using the spark metrics to graph > out details as I run the jobs, as well as the UI to review the tasks and > stages. > > I notice that after my application completes, or is near completion, the > UI "crashes." I get a Connection Refused response. Sometimes, the page > eventually recovers and will load again, but sometimes I end up having to > restart the Spark master to get it back. When I look at my graphs on the > app, the memory consumption (of driver, executors, and what I believe to be > the daemon (spark.jvm.total.used)) appears to be healthy. Monitoring the > master machine itself, memory and CPU appear healthy as well. > > Has anyone else seen this issue? Are there logs for the UI itself, and > where might I find those? > > Thanks! > Sumona >
