java.lang.OutOfMemoryError: no se puede crear un nuevo hilo nativo para el conjunto de datos grandes
He ejecutado una consulta de Hive que funciona bien para un conjunto de datos pequeño. pero me estoy ejecutando para 250 millones de registros que tengo errores por debajo de los registros
FATAL org.apache.hadoop.mapred.Child: Error running child : 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 org.apache.hadoop.mapred.Task$TaskReporter.startCommunicationThread(Task.java:725)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:362)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1136)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
2013-03-18 14:12:58,907 WARN org.apache.hadoop.mapred.Child: Error running child
java.io.IOException: Cannot run program "ln": java.io.IOException: error=11, Resource temporarily unavailable
at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
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:567)
at org.apache.hadoop.mapred.TaskRunner.symlink(TaskRunner.java:787)
at org.apache.hadoop.mapred.TaskRunner.setupWorkDir(TaskRunner.java:752)
at org.apache.hadoop.mapred.Child.main(Child.java:225)
Caused by: java.io.IOException: java.io.IOException: error=11, Resource temporarily unavailable
at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
at java.lang.ProcessImpl.start(ProcessImpl.java:65)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
... 7 more
2013-03-18 14:12:58,911 INFO org.apache.hadoop.mapred.Task: Runnning cleanup for the task
2013-03-18 14:12:58,911 INFO org.apache.hadoop.mapred.Child: Error cleaning up
java.lang.NullPointerException
at org.apache.hadoop.mapred.Task.taskCleanup(Task.java:1048)
at org.apache.hadoop.mapred.Child.main(Child.java:281)
Necesito ayuda en esto.