Tathagata determined that the reason it was failing was the accidental creation of multiple input streams. Thanks!
On Tue, Jul 15, 2014 at 1:09 PM, Walrus theCat <walrusthe...@gmail.com> wrote: > Will do. > > > On Tue, Jul 15, 2014 at 12:56 PM, Tathagata Das < > tathagata.das1...@gmail.com> wrote: > >> This sounds really really weird. Can you give me a piece of code that I >> can run to reproduce this issue myself? >> >> TD >> >> >> On Tue, Jul 15, 2014 at 12:02 AM, Walrus theCat <walrusthe...@gmail.com> >> wrote: >> >>> This is (obviously) spark streaming, by the way. >>> >>> >>> On Mon, Jul 14, 2014 at 8:27 PM, Walrus theCat <walrusthe...@gmail.com> >>> wrote: >>> >>>> Hi, >>>> >>>> I've got a socketTextStream through which I'm reading input. I have >>>> three Dstreams, all of which are the same window operation over that >>>> socketTextStream. I have a four core machine. As we've been covering >>>> lately, I have to give a "cores" parameter to my StreamingSparkContext: >>>> >>>> ssc = new StreamingContext("local[4]" /**TODO change once a cluster is >>>> up **/, >>>> "AppName", Seconds(1)) >>>> >>>> Now, I have three dstreams, and all I ask them to do is print or >>>> count. I should preface this with the statement that they all work on >>>> their own. >>>> >>>> dstream1 // 1 second window >>>> dstream2 // 2 second window >>>> dstream3 // 5 minute window >>>> >>>> >>>> If I construct the ssc with "local[8]", and put these statements in >>>> this order, I get prints on the first one, and zero counts on the second >>>> one: >>>> >>>> ssc(local[8]) // hyperthread dat sheezy >>>> dstream1.print // works >>>> dstream2.count.print // always prints 0 >>>> >>>> >>>> >>>> If I do this, this happens: >>>> ssc(local[4]) >>>> dstream1.print // doesn't work, just gives me the Time: .... ms message >>>> dstream2.count.print // doesn't work, prints 0 >>>> >>>> ssc(local[6]) >>>> dstream1.print // doesn't work, just gives me the Time: .... ms message >>>> dstream2.count.print // works, prints 1 >>>> >>>> Sometimes these results switch up, seemingly at random. How can I get >>>> things to the point where I can develop and test my application locally? >>>> >>>> Thanks >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> >> >