I put massive records into HBase and found that one of the region servers
crashed. I checked the RS log and NameNode log and found them complaining
that some block does not exist.
For example:
*In RS's log:*
java.io.IOException: Bad response ERROR for block
BP-898918553-10.134.101.112-1393904898674:blk_1078908600_5176868 from
datanode 10.134.101.110:50010
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer$ResponseProcessor.run(DFSOutputStream.java:732)
2014-05-27 16:18:06,184 WARN [ResponseProcessor for block
BP-898918553-10.134.101.112-1393904898674:*blk_1078908599_5176867*]
hdfs.DFSClient: DFSOutputStream ResponseProcessor exce ption for block
BP-898918553-10.134.101.112-1393904898674:*blk_1078908599_5176867*
java.io.EOFException: Premature EOF: no length prefix available
at
org.apache.hadoop.hdfs.protocolPB.PBHelper.vintPrefixed(PBHelper.java:1492)
at
org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck.readFields(PipelineAck.java:116198
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer$ResponseProcessor.run(DFSOutputStream.java:721)
2014-05-27 16:18:06,184 WARN [DataStreamer for file /apps/hbase/data/WALs/
b08.jsepc.com,60020,1400569539507/b08.jsepc.com%2C60020%2C1400569539507.1401178572707
block BP-898918553
-10.134.101.112-1393904898674:blk_1078908601_5176869] hdfs.DFSClient: Error
Recovery for block
BP-898918553-10.134.101.112-1393904898674:blk_1078908601_5176869 in
pipeline 10.134. 101.118:50010, 10.134.101.102:50010,
10.134.101.104:50010: bad datanode 10.134.101.104:50010
2014-05-27 16:18:06,184 WARN [DataStreamer for file /apps/hbase/data/WALs/
b08.jsepc.com,60020,1400569539507/b08.jsepc.com%2C60020%2C1400569539507.1401178568958
block BP-898918553
-10.134.101.112-1393904898674:blk_1078908602_5176870] hdfs.DFSClient:
DataStreamer Exception
java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:29)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:69)
at sun.nio.ch.IOUtil.write(IOUtil.java:40)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:334)
at
org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:63)
at
org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142)
at
org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:159)
at
org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:117)
at
java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at
org.apache.hadoop.hdfs.DFSOutputStream$Packet.writeTo(DFSOutputStream.java:278)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:568)
2014-05-27 16:18:06,188 WARN [DataStreamer for file /apps/hbase/data/WALs/
b08.jsepc.com,60020,1400569539507/b08.jsepc.com%2C60020%2C1400569539507.1401178568958
block BP-898918553
-10.134.101.112-1393904898674:blk_1078908602_5176870] hdfs.DFSClient: Error
Recovery for block
BP-898918553-10.134.101.112-1393904898674:blk_1078908602_5176870 in
pipeline 10.134. 101.118:50010, 10.134.101.108:50010,
10.134.101.105:50010: bad datanode 10.134.101.108:50010
225 2014-05-27 16:18:06,184 INFO [284848237@qtp-396793761-1 - Acceptor0
SelectChannelConnector@0.0.0.0:60030] mortbay.log:
org.mortbay.io.nio.SelectorManager$SelectSet@754c6090 JVM B UG(s) -
recreating selector 17 times, canceled keys 295 times
226 2014-05-27 16:18:06,209 FATAL [regionserver60020]
regionserver.HRegionServer: ABORTING region server
b08.jsepc.com,60020,1400569539507:
org.apache.hadoop.hbase.YouAreDeadException : Server REPORT rejected;
currently processing b08.jsepc.com,60020,1400569539507 as dead server
at
org.apache.hadoop.hbase.master.ServerManager.checkIsDead(ServerManager.java:341)
at
org.apache.hadoop.hbase.master.ServerManager.regionServerReport(ServerManager.java:254)
at
org.apache.hadoop.hbase.master.HMaster.regionServerReport(HMaster.java:1342)
at
org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:5087)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2175)
at
org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1879)
org.apache.hadoop.hbase.YouAreDeadException:
org.apache.hadoop.hbase.YouAreDeadException: Server REPORT rejected;
currently processing b08.jsepc.com,60020,1400569539507 as dead server
*In namenode's log:*
2014-05-27 16:18:04,593 INFO BlockStateChange
(BlockManager.java:logAddStoredBlock(2237)) - BLOCK* addStoredBlock:
blockMap updated: 10.134.101.114:50010 is added to
blk_1078908684_5176954{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.107:50010|RBW],
ReplicaUnderConstruction[10.134.101.114:50010|RBW],
ReplicaUnderConstruction[10.134.101.119:50010|RBW]]} size 0
2014-05-27 16:18:04,593 INFO BlockStateChange
(BlockManager.java:logAddStoredBlock(2237)) - BLOCK* addStoredBlock:
blockMap updated: 10.134.101.107:50010 is added to
blk_1078908684_5176954{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.107:50010|RBW],
ReplicaUnderConstruction[10.134.101.114:50010|RBW],
ReplicaUnderConstruction[10.134.101.119:50010|RBW]]} size 0
2014-05-27 16:18:04,596 INFO hdfs.StateChange
(FSNamesystem.java:completeFile(2814)) - DIR* completeFile:
/apps/hbase/data/data/default/Test-QSH-ARCHIVES/4baa021e822ca4843d64af2e3641deab/.tmp/2d251bb78829442ea22a8031e58721a0
is closed by DFSClient_hb_rs_a07.jsepc.com
,60020,1400569539807_-1204612826_29
2014-05-27 16:18:04,876 INFO BlockStateChange
(BlockManager.java:logAddStoredBlock(2237)) - BLOCK* addStoredBlock:
blockMap updated: 10.134.101.108:50010 is added to
blk_1078908671_5176941{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.120:50010|RBW],
ReplicaUnderConstruction[10.134.101.105:50010|RBW],
ReplicaUnderConstruction[10.134.101.108:50010|RBW]]} size 0
2014-05-27 16:18:04,877 INFO BlockStateChange
(BlockManager.java:logAddStoredBlock(2237)) - BLOCK* addStoredBlock:
blockMap updated: 10.134.101.105:50010 is added to
blk_1078908671_5176941{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.120:50010|RBW],
ReplicaUnderConstruction[10.134.101.105:50010|RBW],
ReplicaUnderConstruction[10.134.101.108:50010|RBW]]} size 0
2014-05-27 16:18:04,878 INFO BlockStateChange
(BlockManager.java:logAddStoredBlock(2237)) - BLOCK* addStoredBlock:
blockMap updated: 10.134.101.120:50010 is added to
blk_1078908671_5176941{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.120:50010|RBW],
ReplicaUnderConstruction[10.134.101.105:50010|RBW],
ReplicaUnderConstruction[10.134.101.108:50010|RBW]]} size 0
2014-05-27 16:18:04,880 INFO hdfs.StateChange
(FSNamesystem.java:completeFile(2814)) - DIR* completeFile:
/apps/hbase/data/data/default/Test-QSH-ARCHIVES/872cb2b3a7c3b0ef9c3982abea565329/.tmp/e2b00b2387124e79a87858afc21024fc
is closed by DFSClient_hb_rs_b10.jsepc.com,60020,1400569547596_-57117285_29
2014-05-27 16:18:06,193 ERROR security.UserGroupInformation
(UserGroupInformation.java:doAs(1494)) - PriviledgedActionException
as:hadoop (auth:SIMPLE) cause:java.io.IOException:
BP-898918553-10.134.101.112-1393904898674:*blk_1078908599_5176867* does not
exist or is not under Constructionnull
2014-05-27 16:18:06,193 INFO ipc.Server (Server.java:run(2075)) - IPC
Server handler 568 on 8020, call
org.apache.hadoop.hdfs.protocol.ClientProtocol.updateBlockForPipeline from
10.134.101.118:47094 Call#309388 Retry#0: error: java.io.IOException:
BP-898918553-10.134.101.112-1393904898674:*blk_1078908599_5176867* does not
exist or is not under Constructionnull
java.io.IOException: BP-898918553-10.134.101.112-1393904898674:
*blk_1078908599_5176867* does not exist or is not under Constructionnull
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkUCBlock(FSNamesystem.java:5526)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.updateBlockForPipeline(FSNamesystem.java:5591)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.updateBlockForPipeline(NameNodeRpcServer.java:628)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.updateBlockForPipeline(ClientNamenodeProtocolServerSideTranslatorPB.java:803)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:59644)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2053)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2047)
2014-05-27 16:18:06,202 INFO hdfs.StateChange
(FSNamesystem.java:saveAllocatedBlock(2873)) - BLOCK* allocateBlock:
/apps/hbase/data/WALs/b05.jsepc.com,60020,1400569521345/b05.jsepc.com%2C60020%2C1400569521345.1401178672149.
BP-898918553-10.134.101.112-1393904898674
blk_1078908686_5176956{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1,
replicas=[ReplicaUnderConstruction[10.134.101.115:50010|RBW],
ReplicaUnderConstruction[10.134.101.109:50010|RBW],
ReplicaUnderConstruction[10.134.101.107:50010|RBW]]}
2014-05-27 16:18:06,208 ERROR security.UserGroupInformation
(UserGroupInformation.java:doAs(1494)) - PriviledgedActionException
as:hadoop (auth:SIMPLE) cause:java.io.IOException:
BP-898918553-10.134.101.112-1393904898674:blk_1078908600_5176868 does not
exist or is not under Constructionnull
2014-05-27 16:18:06,208 INFO ipc.Server (Server.java:run(2075)) - IPC
Server handler 586 on 8020, call
org.apache.hadoop.hdfs.protocol.ClientProtocol.updateBlockForPipeline from
10.134.101.118:47094 Call#309390 Retry#0: error: java.io.IOException:
BP-898918553-10.134.101.112-1393904898674:blk_1078908600_5176868 does not
exist or is not under Constructionnull
java.io.IOException:
BP-898918553-10.134.101.112-1393904898674:blk_1078908600_5176868 does not
exist or is not under Constructionnull
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkUCBlock(FSNamesystem.java:5526)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.updateBlockForPipeline(FSNamesystem.java:5591)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.updateBlockForPipeline(NameNodeRpcServer.java:628)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.updateBlockForPipeline(ClientNamenodeProtocolServerSideTranslatorPB.java:803)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:59644)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2053)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2047)
2014-05-27 16:18:06,209 ERROR security.UserGroupInformation
(UserGroupInformation.java:doAs(1494)) - PriviledgedActionException
as:hadoop (auth:SIMPLE)
cause:org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No
lease on /apps/hbase/data/WALs/b08.jsepc.com,60020,1400569539507/
b08.jsepc.com%2C60020%2C1400569539507.1401178568958: File does not exist.
Holder DFSClient_hb_rs_b08.jsepc.com,60020,1400569539507_-1768346484_29
does not have any open files.
2014-05-27 16:18:06,210 INFO ipc.Server (Server.java:run(2073)) - IPC
Server handler 415 on 8020, call
org.apache.hadoop.hdfs.protocol.ClientProtocol.getAdditionalDatanode from
10.134.101.118:47094 Call#309391 Retry#0: error:
org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
/apps/hbase/data/WALs/b08.jsepc.com,60020,1400569539507/b08.jsepc.com%2C60020%2C1400569539507.1401178568958:
File does not exist. Holder
DFSClient_hb_rs_b08.jsepc.com,60020,1400569539507_-1768346484_29
does not have any open files.
2014-05-27 16:18:06,210 ERROR security.UserGroupInformation
(UserGroupInformation.java:doAs(1494)) - PriviledgedActionException
as:hadoop (auth:SIMPLE)
cause:org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No
lease on /apps/hbase/data/WALs/b08.jsepc.com,60020,1400569539507/
b08.jsepc.com%2C60020%2C1400569539507.1401178572707: File does not exist.
Holder DFSClient_hb_rs_b08.jsepc.com,60020,1400569539507_-1768346484_29
does not have any open files.
2014-05-27 16:18:06,210 INFO ipc.Server (Server.java:run(2073)) - IPC
Server handler 487 on 8020, call
org.apache.hadoop.hdfs.protocol.ClientProtocol.getAdditionalDatanode from
10.134.101.118:47094 Call#309389 Retry#0: error:
org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
/apps/hbase/data/WALs/b08.jsepc.com,60020,1400569539507/b08.jsepc.com%2C60020%2C1400569539507.1401178572707:
File does not exist. Holder
DFSClient_hb_rs_b08.jsepc.com,60020,1400569539507_-1768346484_29
does not have any open files.
2014-05-27 16:18:06,210 INFO hdfs.StateChange
(FSNamesystem.java:fsync(3471)) - BLOCK* fsync: /apps/hbase/data/WALs/
b05.jsepc.com,60020,1400569521345/b05.jsepc.com%2C60020%2C1400569521345.1401178672149
for DFSClient_hb_rs_b05.jsepc.com,60020,1400569521345_32850186_29
Was the fact that one HDFS block does not exist that caused the RS to
crash? Why would a block missing?
