Re: wait time between start master and start slaves

2015-04-14 Thread Nicholas Chammas
For the record, this is what I came up with (ignoring the configurable port for now): spark/sbin/start-master.sh master_ui_response_code=0 while [ "$master_ui_response_code" -ne 200 ]; do sleep 1 master_ui_response_code="$( curl --head --silent --output /dev/null \ --

Re: wait time between start master and start slaves

2015-04-12 Thread Nicholas Chammas
Oh, good point. So I guess I should be able to query the master via code like this before any slaves are started. On Sat, Apr 11, 2015 at 7:52 PM Ted Yu wrote: > From SparkUI.scala : > > def getUIPort(conf: SparkConf): Int = { > conf.getInt("spark.ui.port", SparkUI.DEFAULT_PORT) > } > Be

Re: wait time between start master and start slaves

2015-04-11 Thread Ted Yu
>From SparkUI.scala : def getUIPort(conf: SparkConf): Int = { conf.getInt("spark.ui.port", SparkUI.DEFAULT_PORT) } Better retrieve effective UI port before probing. Cheers On Sat, Apr 11, 2015 at 2:38 PM, Nicholas Chammas < nicholas.cham...@gmail.com> wrote: > So basically, to tell if t

Re: wait time between start master and start slaves

2015-04-11 Thread Shivaram Venkataraman
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? >

Re: wait time between start master and start slaves

2015-04-11 Thread Nicholas Chammas
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

Re: wait time between start master and start slaves

2015-04-11 Thread Shivaram Venkataraman
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 th