FAQ
Hi DK -

Unless I'm mistaken, this does not appear to be an Impala related problem.
You'll find people much more able to help out on the Hive or MapReduce
mailing lists.

Best,
Henry
On 6 March 2013 21:36, DK wrote:

I am running a query for aprtitioning and I get this error:

I have made sure following is set right:

-OS mac procs

-OS max open files


-Have changed the ReservedCodeCacheSzie and PermGen


Still I keep getting this error.


I will appreciate any help on this


Error: unable to create new native thread
-------
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:640)
at java.lang.UNIXProcess$1.run(UNIXProcess.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:103)
at java.lang.ProcessImpl.start(ProcessImpl.java:65)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
at java.lang.Runtime.exec(Runtime.java:593)
at java.lang.Runtime.exec(Runtime.java:431)
at java.lang.Runtime.exec(Runtime.java:369)
at org.apache.hadoop.fs.FileUtil.symLink(FileUtil.java:614)
at org.apache.hadoop.mapred.TaskLog.createTaskAttemptLogDir(TaskLog.java:125)
at org.apache.hadoop.mapred.DefaultTaskController.createLogDir(DefaultTaskController.java:72)
at org.apache.hadoop.mapred.TaskRunner.prepareLogFiles(TaskRunner.java:295)
at org.apache.hadoop.mapred.Task

--
Henry Robinson
Software Engineer
Cloudera
415-994-6679

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