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https://issues.apache.org/jira/browse/HDDS-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16648255#comment-16648255
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Hudson commented on HDDS-555:
-----------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15194 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15194/])
HDDS-555. RandomKeyGenerator runs not closing the XceiverClient (xyao: rev
e12edb3d8f05ff6206c6de1b81ecfa1a03abb193)
* (edit)
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/client/ContainerOperationClient.java
* (edit)
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/scm/TestContainerSmallFile.java
* (edit)
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/scm/TestGetCommittedBlockLengthAndPutKey.java
* (edit)
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupOutputStream.java
* (edit)
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/scm/TestXceiverClientManager.java
* (edit)
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ChunkGroupInputStream.java
* (edit)
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java
> RandomKeyGenerator runs not closing the XceiverClient properly
> --------------------------------------------------------------
>
> Key: HDDS-555
> URL: https://issues.apache.org/jira/browse/HDDS-555
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Shashikant Banerjee
> Assignee: Mukul Kumar Singh
> Priority: Major
> Fix For: 0.3.0
>
> Attachments: HDDS-555.001.patch
>
>
> The issue is with closing of the xceiverClients in Ozone. The below shows the
> leak in XceiverClientGrpc. Similar issue can be seen intermittentkly with
> XceiverClientRatis as well as shown in
> https://issues.apache.org/jira/browse/RATIS-318 as well.
> {code:java}
> Sep 26, 2018 8:11:01 PM
> org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
> cleanQueue
> SEVERE: *~*~*~ Channel ManagedChannelImpl{logId=136,
> target=192.168.1.2:50712} was not shutdown properly!!! ~*~*~*
> Make sure to call shutdown()/shutdownNow() and wait until awaitTermination()
> returns true.
> java.lang.RuntimeException: ManagedChannel allocation site
> at
> org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:103)
> at
> org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:53)
> at
> org.apache.ratis.shaded.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:44)
> at
> org.apache.ratis.shaded.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:410)
> at
> org.apache.hadoop.hdds.scm.XceiverClientGrpc.connect(XceiverClientGrpc.java:92)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:159)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager$2.call(XceiverClientManager.java:144)
> at
> com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4767)
> at
> com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568)
> at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350)
> at
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313)
> at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228)
> at com.google.common.cache.LocalCache.get(LocalCache.java:3965)
> at
> com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4764)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager.getClient(XceiverClientManager.java:143)
> at
> org.apache.hadoop.hdds.scm.XceiverClientManager.acquireClient(XceiverClientManager.java:122)
> at
> org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.checkKeyLocationInfo(ChunkGroupOutputStream.java:192)
> at
> org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.addPreallocateBlocks(ChunkGroupOutputStream.java:180)
> at org.apache.hadoop.ozone.client.rpc.RpcClient.createKey(RpcClient.java:472)
> at org.apache.hadoop.ozone.client.OzoneBucket.createKey(OzoneBucket.java:262)
> at
> org.apache.hadoop.ozone.freon.RandomKeyGenerator$OfflineProcessor.run(RandomKeyGenerator.java:601)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
> at java.util.concurrent.FutureTask.run(FutureTask.java)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748){code}
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