HuangTao created HDFS-14446:
-------------------------------
Summary: No enough internal blocks causes NN infinitely loop on
releasing lease
Key: HDFS-14446
URL: https://issues.apache.org/jira/browse/HDFS-14446
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode, erasure-coding, namenode
Affects Versions: 3.3.0
Reporter: HuangTao
{noformat}
[2019-04-20T18:59:16.564+08:00] [INFO]
[org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$1@44e74aa0] :
BlockRecoveryWorker: NameNode at /XXX.YYY.134.11:8021 calls
recoverBlock(BP-1516815134-XXX.YYY.134.11-1555507434409:blk_-9223372036854775424_1037,
targets=[DatanodeInfoWithStorage[XXX.YYY.134.135:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.202:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.196:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.197:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.138:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.199:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.235:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.134:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.35:50010,null,null]],
newGenerationStamp=1038, newBlock=null, isStriped=true)
[2019-04-20T18:59:17.298+08:00] [INFO]
[org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$1@44e74aa0] :
initReplicaRecovery: blk_-9223372036854775417_1037, recoveryId=1038,
replica=null [2019-04-20T18:59:17.398+08:00] [WARN]
[org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$1@44e74aa0] :
recoverBlocks FAILED:
RecoveringStripedBlock{BP-1516815134-XXX.YYY.134.11-1555507434409:blk_-9223372036854775424_1037;
getBlockSize()=0; corrupt=false; offset=-1;
locs=[DatanodeInfoWithStorage[XXX.YYY.134.135:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.202:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.196:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.197:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.138:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.199:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.235:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.134:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.35:50010,null,null]]} java.io.IOException:
BP-1516815134-XXX.YYY.134.11-1555507434409:blk_-9223372036854775424_1037 has no
enough internal blocks, unable to start recovery.
Locations=[DatanodeInfoWithStorage[XXX.YYY.134.135:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.202:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.196:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.197:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.138:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.199:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.235:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.134:50010,null,null],
DatanodeInfoWithStorage[XXX.YYY.134.35:50010,null,null]] at
org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$RecoveryTaskStriped.checkLocations(BlockRecoveryWorker.java:532)
at
org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$RecoveryTaskStriped.recover(BlockRecoveryWorker.java:437)
at
org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$1.run(BlockRecoveryWorker.java:602)
at java.lang.Thread.run(Thread.java:745)
{noformat}
NN try to recovery UnderConstruction erasure-coding file, but the last block
has no RBW files wrote on DN. The DN can't find internal blocks and won't tell
NN to delete the last block, which will cause NN infinitely loop on releasing
the file's lease.
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