Hi Patrick, Here's the process: java -cp /root/ephemeral-hdfs/conf::::/root/ephemeral-hdfs/conf:/root/spark/conf:/root/spark/assembly/target/scala-2.10/spark-assembly-1.1.1-SNAPSHOT-hadoop1.0.4.jar -XX:MaxPermSize=128m -Djava.library.path=/root/ephemeral-hdfs/lib/native/ -Xms5g -Xmx10g -XX:MaxPermSize=10g -Dspark.akka.timeout=300 -Dspark.driver.port=59156 -Xms5g -Xmx10g -XX:MaxPermSize=10g -Xms58315M -Xmx58315M org.apache.spark.executor.CoarseGrainedExecutorBackend akka.tcp://sp...@ip-10-226-198-178.us-west-2.compute.internal:59156/user/CoarseGrainedScheduler 5 ip-10-38-9-181.us-west-2.compute.internal 8 akka.tcp://sparkwor...@ip-10-38-9-181.us-west-2.compute.internal:34533/user/Worker app-20140825214225-0001
Attached is the requested stack trace. On Mon, Aug 25, 2014 at 1:35 PM, Patrick Wendell [via Apache Spark Developers List] <ml-node+s1001551n8001...@n3.nabble.com> wrote: > One other idea - when things freeze up, try to run jstack on the spark > shell process and on the executors and attach the results. It could be > that > somehow you are encountering a deadlock somewhere. > > > On Mon, Aug 25, 2014 at 1:26 PM, Matei Zaharia <[hidden email] > <http://user/SendEmail.jtp?type=node&node=8001&i=0>> > wrote: > > > Was the original issue with Spark 1.1 (i.e. master branch) or an earlier > > release? > > > > One possibility is that your S3 bucket is in a remote Amazon region, > which > > would make it very slow. In my experience though saveAsTextFile has > worked > > even for pretty large datasets in that situation, so maybe there's > > something else in your job causing a problem. Have you tried other > > operations on the data, like count(), or saving synthetic datasets (e.g. > > sc.parallelize(1 to 100*1000*1000, 20).saveAsTextFile(...)? > > > > Matei > > > > On August 25, 2014 at 12:09:25 PM, amnonkhen ([hidden email] > <http://user/SendEmail.jtp?type=node&node=8001&i=1>) wrote: > > > > Hi jerryye, > > Maybe if you voted up my question on Stack Overflow it would get some > > traction and we would get nearer to a solution. > > Thanks, > > Amnon > > > > > > > > -- > > View this message in context: > > > http://apache-spark-developers-list.1001551.n3.nabble.com/saveAsTextFile-to-s3-on-spark-does-not-work-just-hangs-tp7795p7991.html > > Sent from the Apache Spark Developers List mailing list archive at > > Nabble.com. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [hidden email] > <http://user/SendEmail.jtp?type=node&node=8001&i=2> > > For additional commands, e-mail: [hidden email] > <http://user/SendEmail.jtp?type=node&node=8001&i=3> > > > > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://apache-spark-developers-list.1001551.n3.nabble.com/saveAsTextFile-to-s3-on-spark-does-not-work-just-hangs-tp7795p8001.html > To start a new topic under Apache Spark Developers List, email > ml-node+s1001551n1...@n3.nabble.com > To unsubscribe from Apache Spark Developers List, click here > <http://apache-spark-developers-list.1001551.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=1&code=amVycnl5ZUBnbWFpbC5jb218MXwtNTI4OTc1MTAz> > . > NAML > <http://apache-spark-developers-list.1001551.n3.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > jstack.txt (92K) <http://apache-spark-developers-list.1001551.n3.nabble.com/attachment/8006/0/jstack.txt> -- View this message in context: http://apache-spark-developers-list.1001551.n3.nabble.com/saveAsTextFile-to-s3-on-spark-does-not-work-just-hangs-tp7795p8006.html Sent from the Apache Spark Developers List mailing list archive at Nabble.com.
