Re: Please reply if you use Mesos fine grained mode

2015-11-03 Thread Soren Macbeth
we use fine-grained mode. coarse-grained mode keeps JVMs around which often leads to OOMs, which in turn kill the entire executor, causing entire stages to be retried. In fine-grained mode, only the task fails and subsequently gets retried without taking out an entire stage or worse. On Tue, Nov

java.net.ConnectException: Connection timed out

2014-07-19 Thread Soren Macbeth
Hello, I get a lot of these exceptions on my mesos cluster when running spark jobs: 14/07/19 16:29:43 WARN spark.network.SendingConnection: Error finishing connection to prd-atl-mesos-slave-010/10.88.160.200:37586 java.net.ConnectException: Connection timed out at

Re: Data loading to Parquet using spark

2014-07-07 Thread Soren Macbeth
I typed spark parquet into google and the top results was this blog post about reading and writing parquet files from spark http://zenfractal.com/2013/08/21/a-powerful-big-data-trio/ On Mon, Jul 7, 2014 at 5:23 PM, Michael Armbrust mich...@databricks.com wrote: SchemaRDDs, provided by Spark

Re: No FileSystem for scheme: hdfs

2014-07-03 Thread Soren Macbeth
Are the hadoop configuration files on the classpath for your mesos executors? On Thu, Jul 3, 2014 at 6:45 PM, Steven Cox s...@renci.org wrote: ...and a real subject line. -- *From:* Steven Cox [s...@renci.org] *Sent:* Thursday, July 03, 2014 9:21 PM *To:*

[ANNOUNCE] Flambo - A Clojure DSL for Apache Spark

2014-07-01 Thread Soren Macbeth
Yieldbot is pleased to announce the release of Flambo, our Clojure DSL for Apache Spark. Flambo allows one to write spark applications in pure Clojure as an alternative to Scala, Java and Python currently available in Spark. We have already written a substantial amount of internal code in

Re: Crazy Kryo Exception

2014-05-04 Thread Soren Macbeth
Does this perhaps have to do with the spark.closure.serializer? On Sat, May 3, 2014 at 7:50 AM, Soren Macbeth so...@yieldbot.com wrote: Poking around in the bowels of scala, it seems like this has something to do with implicit scala - java collection munging. Why would it be doing

using kryo for spark.closure.serializer with a registrator doesn't work

2014-05-04 Thread Soren Macbeth
Is this supposed to be supported? It doesn't work, at least in mesos fine grained mode. First it fails a bunch of times because it can't find my registrator class because my assembly jar hasn't been fetched like so: java.lang.ClassNotFoundException: pickles.kryo.PicklesRegistrator at

Re: Crazy Kryo Exception

2014-05-03 Thread Soren Macbeth
it seems that it dying while trying to fetch results from my tasks to return back to the driver. Am I close? On Fri, May 2, 2014 at 3:35 PM, Soren Macbeth so...@yieldbot.com wrote: Hallo, I've getting this rather crazy kryo exception trying to run my spark job: Exception in thread main

custom kryoserializer class under mesos

2014-04-21 Thread Soren Macbeth
Hello, Is it possible to use a custom class as my spark's KryoSerializer running under Mesos? I've tried adding my jar containing the class to my spark context (via SparkConf.addJars), but I always get: java.lang.ClassNotFoundException: flambo.kryo.FlamboKryoSerializer at