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From "Nishant Bangarwa (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-22125) Druid process fails to start with OOME on small machines with default ambari configs
Date Tue, 03 Oct 2017 22:25:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-22125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nishant Bangarwa updated AMBARI-22125:
--------------------------------------
    Status: Patch Available  (was: Open)

> 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
>
>         Attachments: AMBARI-22125.patch
>
>
> Druid fails to start with ambari default configs when all the druid processes are allocated
on a single node. 
> 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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