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Hudson commented on HDFS-7960: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #142 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/142/]) HDFS-7960. The full block report should prune zombie storages even if they're not empty. Contributed by Colin McCabe and Eddy Xu. (wang: rev 50ee8f4e67a66aa77c5359182f61f3e951844db6) * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/DatanodeProtocol.java * hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestNameNodePrunesMissingStorages.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeProtocolRetryPolicy.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestTriggerBlockReport.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/BlockReportContext.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/NNThroughputBenchmark.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDnRespectsBlockReportSplitThreshold.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestNNHandlesCombinedBlockReport.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBPOfferService.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestNNHandlesBlockReportPerStorage.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/BlockReportTestBase.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockHasMultipleReplicasOnSameDN.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDeadDatanode.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java > The full block report should prune zombie storages even if they're not empty > ---------------------------------------------------------------------------- > > Key: HDFS-7960 > URL: https://issues.apache.org/jira/browse/HDFS-7960 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.6.0 > Reporter: Lei (Eddy) Xu > Assignee: Colin Patrick McCabe > Priority: Critical > Fix For: 2.7.0 > > Attachments: HDFS-7960.002.patch, HDFS-7960.003.patch, > HDFS-7960.004.patch, HDFS-7960.005.patch, HDFS-7960.006.patch, > HDFS-7960.007.patch, HDFS-7960.008.patch > > > The full block report should prune zombie storages even if they're not empty. > We have seen cases in production where zombie storages have not been pruned > subsequent to HDFS-7575. This could arise any time the NameNode thinks there > is a block in some old storage which is actually not there. In this case, > the block will not show up in the "new" storage (once old is renamed to new) > and the old storage will linger forever as a zombie, even with the HDFS-7596 > fix applied. This also happens with datanode hotplug, when a drive is > removed. In this case, an entire storage (volume) goes away but the blocks > do not show up in another storage on the same datanode. -- This message was sent by Atlassian JIRA (v6.3.4#6332)