Hello,
adding to this: the hbase regionserver does not survive either when it runs
into that situation! When putting a node into "decomissioning", if a
regionserver has a file open on that node, it dies:
2015-01-28 10:11:18,178 FATAL [regionserver60020.logRoller]
regionserver.HRegionServer: ABORTING region server
xxxxx.cern.ch,60020,1422371469606: Failed log close in log roller
org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException: #1422436277964
at
org.apache.hadoop.hbase.regionserver.wal.FSHLog.cleanupCurrentWriter(FSHLog.java:787)
at
org.apache.hadoop.hbase.regionserver.wal.FSHLog.rollWriter(FSHLog.java:575)
at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:97)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
/hbase/WALs/xxxxx.cern.ch,60020,1422371469606/xxxxx.cern.ch%2C60020%2C1422371469606.1422436277964
could only be replicated to 0 nodes instead of minRepl
ication (=1). There are 17 datanode(s) running and 17 node(s) are excluded in
this operation.
at
org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1492)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3027)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:614)
at
org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.addBlock(AuthorizationProviderProxyClientProtocol.java:188)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:476)
....
