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From "Prabhu Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7284) NodeManager crashes with OOM when Debug log enabled for ContainerLocalizer
Date Tue, 03 Oct 2017 08:00:28 GMT
Prabhu Joseph created YARN-7284:
-----------------------------------

             Summary: NodeManager crashes with OOM when Debug log enabled for ContainerLocalizer

                 Key: YARN-7284
                 URL: https://issues.apache.org/jira/browse/YARN-7284
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 2.7.3
            Reporter: Prabhu Joseph


NodeManager crashes with OOM when DEBUG log enabled for ContainerLocalizer. 

{code}
2017-10-03 07:25:20,066 FATAL yarn.YarnUncaughtExceptionHandler (YarnUncaughtExceptionHandler.java:uncaughtException(51))
- Thread Thread[Thread-2114,5,main] threw an Error.  Shutting down now...
java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:3332)
        at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:137)
        at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:121)
        at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:421)
        at java.lang.StringBuffer.append(StringBuffer.java:272)
        at org.apache.hadoop.util.Shell$1.run(Shell.java:900)
{code}

errThread part of Hadoop Common Shell reads all the DEBUG log lines and appends to StringBuffer
errMsg. As per the heap dump, the errMsg stores more than 1GB of contents. (attached image)






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