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Hudson commented on HDFS-7993: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #171 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/171/]) HDFS-7993. Provide each Replica details in fsck (Contributed by J.Andreina) (vinayakumarb: rev 8ddbb8dd433862509bd9b222dddafe2c3a74778a) * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSck.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.java > Provide each Replica details in fsck > ------------------------------------ > > Key: HDFS-7993 > URL: https://issues.apache.org/jira/browse/HDFS-7993 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.6.0 > Reporter: Ming Ma > Assignee: J.Andreina > Fix For: 2.8.0 > > Attachments: HDFS-7993.1.patch, HDFS-7993.2.patch, HDFS-7993.3.patch, > HDFS-7993.4.patch, HDFS-7993.5.patch, HDFS-7993.6.patch > > > When you run fsck with "-files" or "-racks", you will get something like > below if one of the replicas is decommissioned. > {noformat} > blk_x len=y repl=3 [dn1, dn2, dn3, dn4] > {noformat} > That is because in NamenodeFsck, the repl count comes from live replicas > count; while the actual nodes come from LocatedBlock which include > decommissioned nodes. > Another issue in NamenodeFsck is BlockPlacementPolicy's verifyBlockPlacement > verifies LocatedBlock that includes decommissioned nodes. However, it seems > better to exclude the decommissioned nodes in the verification; just like how > fsck excludes decommissioned nodes when it check for under replicated blocks. -- This message was sent by Atlassian JIRA (v6.3.4#6332)