Hi, What is your # of slots per TaskTracker? Your ulimit seems pretty high. I'd set it to 1.5x times heap initially, i.e., 6291456 (6 GB) and try.
On Sun, Oct 7, 2012 at 3:50 AM, Attila Csordas <attilacsor...@gmail.com> wrote: > some details to this problem: > > 12/10/05 12:13:27 INFO mapred.JobClient: map 0% reduce 0% > 12/10/05 12:13:40 INFO mapred.JobClient: Task Id : > attempt_201210051158_0001_m_000002_0, Status : FAILED > java.lang.Throwable: Child Error > at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271) > Caused by: java.io.IOException: Task process exit with nonzero status of 134. > at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258) > > attempt_201210051158_0001_m_000002_0: # > attempt_201210051158_0001_m_000002_0: # There is insufficient memory > for the Java Runtime Environment to continue. > attempt_201210051158_0001_m_000002_0: # pthread_getattr_np > > in mapred-site.xml the following memory settings were set after a > couple trials to get rid of the problem this way: > > <property> > <name>mapred.child.java.opts</name> > <value>-server -Xmx4096M -Djava.net.preferIPv4Stack=true</value> > </property> > > <property> > <name>mapred.child.ulimit</name> > <value>16777216</value> > </property> > > Cheers, > Attila > > > > On Fri, Oct 5, 2012 at 10:50 AM, Steve Lewis <lordjoe2...@gmail.com> wrote: >> [We get 'There is insufficient memory for the Java Runtime Environment to >> continue.' >> any time we run any job including the most trivial word count process. It is >> true I am generating a jar for a larger job but only running a version of >> wordcount that worked well under 0.2 >> Any bright ideas??? >> This is a new 1.03 installation and nothing is known to work >> >> Steven M. Lewis PhD >> 4221 105th Ave NE >> Kirkland, WA 98033 >> cell 206-384-1340 >> skype lordjoe_com -- Harsh J
