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From Stephen Boesch <>
Subject Unable to set the namenode options using blueprints
Date Tue, 13 Oct 2015 06:41:32 GMT
Given a blueprint that includes the following:

      "hadoop-env" : {
        "properties" : {
           "HADOOP_NAMENODE_OPTS" :  " -XX:InitialHeapSize=16384m
-XX:MaxHeapSize=16384m -Xmx16384m -XX:MaxPermSize=512m"

The following occurs when creating the cluster:

Error occurred during initialization of VM
Too small initial heap

The logs say:

CommandLine flags: -XX:ErrorFile=/var/log/hadoop/hdfs/hs_err_pid%p.log
-XX:InitialHeapSize=1024 *-XX:MaxHeapSize=1024* -XX:MaxNewSize=200
-XX:MaxTenuringThreshold=6 -XX:NewSize=200 -XX:OldPLABSize=16
-XX:ParallelGCThreads=8 -XX:+PrintGC -XX:+PrintGCDateStamps
-XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+UseCompressedClassPointers
-XX:+UseCompressedOops -XX:+UseConcMarkSweepGC -XX:+UseParNewGC

Notice that nowhere are the options provided included in the actual jvm
launched values.

it is no wonder the low on resources given the only 1GB MaxHeapSize.
totally inadequate for namenode.

btw this is HA - and both of the namenodes have same behavior.

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