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Hudson commented on HDFS-7496: ------------------------------ FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #77 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/77/]) HDFS-7496. Fix FsVolume removal race conditions on the DataNode by reference-counting the volume instances (lei via cmccabe) (cmccabe: rev b7f4a3156c0f5c600816c469637237ba6c9b330c) * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeReference.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestWriteBlockGetsBlockLengthHint.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestSimulatedFSDataset.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalDatasetImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsDatasetSpi.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalVolumeImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/main/proto/datatransfer.proto * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeHotSwapVolumes.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetAsyncDiskService.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDirectoryScanner.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/ReplicaInputStreams.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeList.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestWriteToReplica.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeListTest.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaHandler.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/RamDiskAsyncLazyPersistService.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/SimulatedFSDataset.java HDFS-7496: add to CHANGES.txt (cmccabe: rev 73b72a048f70c275051747d13dc948845f4cef17) * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt > Fix FsVolume removal race conditions on the DataNode by reference-counting > the volume instances > ----------------------------------------------------------------------------------------------- > > Key: HDFS-7496 > URL: https://issues.apache.org/jira/browse/HDFS-7496 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Colin Patrick McCabe > Assignee: Lei (Eddy) Xu > Fix For: 3.0.0 > > Attachments: HDFS-7496.000.patch, HDFS-7496.001.patch, > HDFS-7496.002.patch, HDFS-7496.003.patch, HDFS-7496.003.patch, > HDFS-7496.004.patch, HDFS-7496.005.patch, HDFS-7496.006.patch, > HDFS-7496.007.patch > > > We discussed a few FsVolume removal race conditions on the DataNode in > HDFS-7489. We should figure out a way to make removing an FsVolume safe. -- This message was sent by Atlassian JIRA (v6.3.4#6332)