I can say from my experience that getting Spark to work with Hadoop 2 is not for the beginner; after solving one problem after another (dependencies, scripts, etc.), I went back to Hadoop 1.
Spark's Maven, ec2 scripts, and others all use Hadoop 1 - not sure why, but, given so, Hadoop 2 has too many bumps On 7/6/14, Marco Shaw <[email protected]> wrote: > That is confusing based on the context you provided. > > This might take more time than I can spare to try to understand. > > For sure, you need to add Spark to run it in/on the HDP 2.1 express VM. > > Cloudera's CDH 5 express VM includes Spark, but the service isn't running by > default. > > I can't remember for MapR... > > Marco > >> On Jul 6, 2014, at 6:33 PM, Konstantin Kudryavtsev >> <[email protected]> wrote: >> >> Marco, >> >> Hortonworks provides a Tech Preview of Spark 0.9.1 with HDP 2.1 that you >> can try >> from >> http://hortonworks.com/wp-content/uploads/2014/05/SparkTechnicalPreview.pdf >> HDP 2.1 means YARN, at the same time they propose ti install rpm >> >> On other hand, http://spark.apache.org/ said " >> Integrated with Hadoop >> Spark can run on Hadoop 2's YARN cluster manager, and can read any >> existing Hadoop data. >> >> If you have a Hadoop 2 cluster, you can run Spark without any installation >> needed. " >> >> And this is confusing for me... do I need rpm installation on not?... >> >> >> Thank you, >> Konstantin Kudryavtsev >> >> >>> On Sun, Jul 6, 2014 at 10:56 PM, Marco Shaw <[email protected]> >>> wrote: >>> Can you provide links to the sections that are confusing? >>> >>> My understanding, the HDP1 binaries do not need YARN, while the HDP2 >>> binaries do. >>> >>> Now, you can also install Hortonworks Spark RPM... >>> >>> For production, in my opinion, RPMs are better for manageability. >>> >>>> On Jul 6, 2014, at 5:39 PM, Konstantin Kudryavtsev >>>> <[email protected]> wrote: >>>> >>>> Hello, thanks for your message... I'm confused, Hortonworhs suggest >>>> install spark rpm on each node, but on Spark main page said that yarn >>>> enough and I don't need to install it... What the difference? >>>> >>>> sent from my HTC >>>> >>>>> On Jul 6, 2014 8:34 PM, "vs" <[email protected]> wrote: >>>>> Konstantin, >>>>> >>>>> HWRK provides a Tech Preview of Spark 0.9.1 with HDP 2.1 that you can >>>>> try >>>>> from >>>>> http://hortonworks.com/wp-content/uploads/2014/05/SparkTechnicalPreview.pdf >>>>> >>>>> Let me know if you see issues with the tech preview. >>>>> >>>>> "spark PI example on HDP 2.0 >>>>> >>>>> I downloaded spark 1.0 pre-build from >>>>> http://spark.apache.org/downloads.html >>>>> (for HDP2) >>>>> The run example from spark web-site: >>>>> ./bin/spark-submit --class org.apache.spark.examples.SparkPi >>>>> --master >>>>> yarn-cluster --num-executors 3 --driver-memory 2g --executor-memory 2g >>>>> --executor-cores 1 ./lib/spark-examples-1.0.0-hadoop2.2.0.jar 2 >>>>> >>>>> I got error: >>>>> Application application_1404470405736_0044 failed 3 times due to AM >>>>> Container for appattempt_1404470405736_0044_000003 exited with >>>>> exitCode: 1 >>>>> due to: Exception from container-launch: >>>>> org.apache.hadoop.util.Shell$ExitCodeException: >>>>> at org.apache.hadoop.util.Shell.runCommand(Shell.java:464) >>>>> at org.apache.hadoop.util.Shell.run(Shell.java:379) >>>>> at >>>>> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:589) >>>>> at >>>>> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:195) >>>>> at >>>>> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:283) >>>>> at >>>>> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:79) >>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:262) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>>>> at java.lang.Thread.run(Thread.java:744) >>>>> .Failing this attempt.. Failing the application. >>>>> >>>>> Unknown/unsupported param List(--executor-memory, 2048, >>>>> --executor-cores, 1, >>>>> --num-executors, 3) >>>>> Usage: org.apache.spark.deploy.yarn.ApplicationMaster [options] >>>>> Options: >>>>> --jar JAR_PATH Path to your application's JAR file (required) >>>>> --class CLASS_NAME Name of your application's main class >>>>> (required) >>>>> ...bla-bla-bla >>>>> " >>>>> >>>>> >>>>> >>>>> -- >>>>> View this message in context: >>>>> http://apache-spark-user-list.1001560.n3.nabble.com/Unable-to-run-Spark-1-0-SparkPi-on-HDP-2-0-tp8802p8873.html >>>>> Sent from the Apache Spark User List mailing list archive at >>>>> Nabble.com. >> >
