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Posted to hdfs-dev@hadoop.apache.org by "Gordon Wang (JIRA)" <ji...@apache.org> on 2014/06/10 05:05:01 UTC
[jira] [Created] (HDFS-6505) Can not close file due to last block
is marked as corrupt
Gordon Wang created HDFS-6505:
---------------------------------
Summary: Can not close file due to last block is marked as corrupt
Key: HDFS-6505
URL: https://issues.apache.org/jira/browse/HDFS-6505
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.2.0
Reporter: Gordon Wang
After appending a file, client could not close it. Because namenode could not complete the last block in file. The UC status of last block remained as COMMIT and never change.
The namenode log was like this.
{code}
INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: BLOCK* checkFileProgress: blk_1073741920_13948{blockUCState=COMMITTED, primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[172.28.1.2:50010|RBW]]} has not reached minimal replication 1
{code}
After going through the log of namenode, I found a log like this
{code}
INFO BlockStateChange: BLOCK NameSystem.addToCorruptReplicasMap: blk_1073741920 added as corrupt on 172.28.1.2:50010 by sdw3/172.28.1.3 because client machine reported it
{code}
But actually, the last block was finished successfully in the data node. Because I could find the log in datanode
{code}
INFO org.apache.hadoop.hdfs.server.datanode.DataNode: DataTransfer: Transmitted BP-649434182-172.28.1.251-1401432753616:blk_1073741920_13808 (numBytes=50120352) to /172.28.1.3:50010
INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /172.28.1.2:36860, dest: /172.28.1.2:50010, bytes: 51686616, op: HDFS_WRITE, cliID: libhdfs3_client_random_741511239_count_1_pid_215802_tid_140085714196576, offset: 0, srvID: DS-2074102060-172.28.1.2-50010-1401432768690, blockid: BP-649434182-172.28.1.251-1401432753616:blk_1073741920_13948, duration: 189226453336
INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-649434182-172.28.1.251-1401432753616:blk_1073741920_13948, type=LAST_IN_PIPELINE, downstreams=0:[] terminating
{code}
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