ulimit was set to <property> <name>mapred.child.ulimit</name> <value>6291456</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? 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
