[jira] [Created] (AMBARI-22125) Druid process fails to start with OOME on small machines with default ambari configs

["Nishant Bangarwa (JIRA)" <ji...@apache.org>]

Nishant Bangarwa created AMBARI-22125:
-----------------------------------------

             Summary: Druid process fails to start with OOME on small machines with default ambari configs
                 Key: AMBARI-22125
                 URL: https://issues.apache.org/jira/browse/AMBARI-22125
             Project: Ambari
          Issue Type: Bug
            Reporter: Nishant Bangarwa
            Assignee: Nishant Bangarwa
            Priority: Blocker
             Fix For: trunk, 2.6.0


stack trace - 
{code} 
Caused by: java.lang.OutOfMemoryError
        at sun.misc.Unsafe.allocateMemory(Native Method)
        at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:127)
        at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311)
        at io.druid.offheap.OffheapBufferGenerator.get(OffheapBufferGenerator.java:53)
        at io.druid.offheap.OffheapBufferGenerator.get(OffheapBufferGenerator.java:29)
        at io.druid.collections.DefaultBlockingPool.<init>(DefaultBlockingPool.java:58)
        at io.druid.guice.DruidProcessingModule.getMergeBufferPool(DruidProcessingModule.java:126)
        at io.druid.guice.DruidProcessingModule$$FastClassByGuice$$8e266e5c.invoke(<generated>)
        at com.google.inject.internal.ProviderMethod$FastClassProviderMethod.doProvision(ProviderMethod.java:264)
        at com.google.inject.internal.ProviderMethod$Factory.provision(ProviderMethod.java:401)
        at com.google.inject.internal.ProviderMethod$Factory.get(ProviderMethod.java:376)
        at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
{code}



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