Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue.

OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode) might the official Oracle Java be better? Thanks, Attila On Sun, Oct 7, 2012 at 8:37 PM, Arpit Gupta ar...@hortonworks.com wrote: are you using 32bit jdk for your task trackers? If so reduce the mem setting in mapred.child.java.opts --

Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue.

ulimit was set to property namemapred.child.ulimit/name value6291456/value /property -Xmx4096M stayed for heap still getting the very same error any other tips? Thanks, Attila On Sun, Oct 7, 2012 at 6:34 AM, Harsh J ha...@cloudera.com wrote: Hi, What is your # of slots per TaskTracker?

Task Attempt Failed

I'm starting to see the following error show up, but I don't know what it is trying to tell me. Does anyone know what this error means? 12/10/08 03:13:12 INFO mapred.JobClient: Task Id : attempt_201209281640_6895_m_007292_0, Status : FAILED java.lang.Throwable: Child Error at

Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue.

i would recommended using the oracle jdk. Also i tried your configs on a single node setup of 1.0.3 and the mr jobs went through. So i suspect this is something specific to your env. Also from your email below you mention that mapred.child.java.opts and mapred.child.ulimit were added to try