Yeah thats the best I can think ok -- Not sure if there is a better way to do it.
On Sat, Apr 11, 2015 at 2:38 PM, Nicholas Chammas < nicholas.cham...@gmail.com> wrote: > So basically, to tell if the master is ready to accept slaves, just poll > http://master-node:4040 for an HTTP 200 response? > > > On Sat, Apr 11, 2015 at 2:42 PM Shivaram Venkataraman < > shiva...@eecs.berkeley.edu> wrote: > >> Yeah from what I remember it was set defensively. I don't know of a good >> way to check if the master is up though. I guess we could poll the Master >> Web UI and see if we get a 200/ok response >> >> Shivaram >> >> On Fri, Apr 10, 2015 at 8:24 PM, Nicholas Chammas < >> nicholas.cham...@gmail.com> wrote: >> >>> Check this out >>> < >>> https://github.com/mesos/spark-ec2/blob/f0a48be1bb5aaeef508619a46065648beb8f1d92/spark-standalone/setup.sh#L26-L33 >>> > >>> (from spark-ec2): >>> >>> # Start Master$BIN_FOLDER/start-master.sh >> >> >>> # Pause >>> sleep 20 >>> # Start Workers$BIN_FOLDER/start-slaves.sh >>> >>> I know this was probably done defensively, but is there a more direct way >>> to know when the master is ready? >>> >>> Nick >>> >>> >>
