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 >> >> >
