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Hudson commented on AMBARI-22125: --------------------------------- SUCCESS: Integrated in Jenkins build Ambari-branch-2.6 #332 (See [https://builds.apache.org/job/Ambari-branch-2.6/332/]) AMBARI-22125. Better defaults for druid memory configs to avoid (nishant: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=84ae9a0b2a7ae598dc701ae13674b2ed8d83ae26]) * (edit) ambari-server/src/main/resources/stacks/HDP/2.6/services/stack_advisor.py * (edit) ambari-server/src/test/python/stacks/2.6/common/test_stack_advisor.py * (edit) ambari-server/src/main/resources/common-services/DRUID/0.9.2/configuration/druid-historical.xml * (edit) ambari-server/src/main/resources/common-services/DRUID/0.9.2/configuration/druid-broker.xml > 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} -- This message was sent by Atlassian JIRA (v6.4.14#64029)