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

2012-10-08 Thread Attila Csordas
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 wrote: > are you using 32bit jdk for your task trackers? > > If so reduce the mem setting in mapred.child.java.opts > > -- > Arpit > > On Oc

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

2012-10-08 Thread Attila Csordas
ulimit was set to mapred.child.ulimit 6291456 -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 wrote: > Hi, > > What is your # of slots per TaskTracker? Your ulimit seems pretty > high. I'd set it to 1.5x tim

Task Attempt Failed

2012-10-08 Thread Dave Shine
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 o

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

2012-10-08 Thread Arpit Gupta
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 t