[Hadoop 问题] NodeManager OOM挂掉问题解决-Hadoop

编辑：　发布时间： 2015-8-25 　　文章来源：Tang's

大数据营销

在更换JDK1.6_25到JDK1.7_45后，集群出现频繁死掉NM，出现结果为如下：

2015-08-12 16:35:06,662 FATAL org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread Thread[process reaper,10,system] threw an Error. Shutting down now...
java.lang.OutOfMemoryError: Requested array size exceeds VM limit
at java.lang.UNIXProcess$ProcessPipeInputStream.drainInputStream(UNIXProcess.java:267)
at java.lang.UNIXProcess$ProcessPipeInputStream.processExited(UNIXProcess.java:280)
at java.lang.UNIXProcess.processExited(UNIXProcess.java:187)
at java.lang.UNIXProcess$3.run(UNIXProcess.java:175)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

和类似的

2015-08-12 16:37:56,893 FATAL org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread Thread[process reaper,10,system] threw an Error. Shutting down now...
java.lang.OutOfMemoryError: Java heap space
at java.lang.UNIXProcess$ProcessPipeInputStream.drainInputStream(UNIXProcess.java:267)
at java.lang.UNIXProcess$ProcessPipeInputStream.processExited(UNIXProcess.java:280)
at java.lang.UNIXProcess.processExited(UNIXProcess.java:187)
at java.lang.UNIXProcess$3.run(UNIXProcess.java:175)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)