Bigdata, Hadoop ecosystem, Semantic IoT등의 프로젝트를 진행중에 습득한 내용을 정리하는 곳입니다.
필요한 분을 위해서 공개하고 있습니다.
문의사항은 gooper@gooper.com로 메일을
보내주세요.
./sbin/hadoop-daemon.sh start namenode를 실행할때 아래와 같은 오류가 뜨면서 namenode가 기동하지 못하는 경우가 있는데
이때는 "hdfs namenode -initializeSharedEdits" 명령을 master 서버에 실행하면 Re-format filesystem in QJM 여부를 묻는데
이때 Y를 선택하면 된다.
------hdfs namenode -initializeSharedEdits명령 실행시 로그내용----------------
16/07/29 15:16:01 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
16/07/29 15:16:01 INFO namenode.NameNode: createNameNode [-initializeSharedEdits]
16/07/29 15:16:01 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
16/07/29 15:16:01 WARN namenode.FSNamesystem: Only one image storage directory (dfs.namenode.name.dir) configured. Beware of data loss due to lack of redundant storage directories!
16/07/29 15:16:01 WARN namenode.FSNamesystem: Only one namespace edits storage directory (dfs.namenode.edits.dir) configured. Beware of data loss due to lack of redundant storage directories!
16/07/29 15:16:01 INFO namenode.FSNamesystem: No KeyProvider found.
16/07/29 15:16:01 INFO namenode.FSNamesystem: fsLock is fair:true
16/07/29 15:16:01 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000
16/07/29 15:16:01 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true
16/07/29 15:16:01 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000
16/07/29 15:16:01 INFO blockmanagement.BlockManager: The block deletion will start around 2016 7월 29 15:16:01
16/07/29 15:16:01 INFO util.GSet: Computing capacity for map BlocksMap
16/07/29 15:16:01 INFO util.GSet: VM type = 64-bit
16/07/29 15:16:01 INFO util.GSet: 2.0% max memory 958.5 MB = 19.2 MB
16/07/29 15:16:01 INFO util.GSet: capacity = 2^21 = 2097152 entries
16/07/29 15:16:01 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false
16/07/29 15:16:01 INFO blockmanagement.BlockManager: defaultReplication = 3
16/07/29 15:16:01 INFO blockmanagement.BlockManager: maxReplication = 512
16/07/29 15:16:01 INFO blockmanagement.BlockManager: minReplication = 1
16/07/29 15:16:01 INFO blockmanagement.BlockManager: maxReplicationStreams = 2
16/07/29 15:16:01 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000
16/07/29 15:16:01 INFO blockmanagement.BlockManager: encryptDataTransfer = false
16/07/29 15:16:01 INFO blockmanagement.BlockManager: maxNumBlocksToLog = 1000
16/07/29 15:16:01 INFO namenode.FSNamesystem: fsOwner = root (auth:SIMPLE)
16/07/29 15:16:01 INFO namenode.FSNamesystem: supergroup = supergroup
16/07/29 15:16:01 INFO namenode.FSNamesystem: isPermissionEnabled = false
16/07/29 15:16:01 INFO namenode.FSNamesystem: Determined nameservice ID: mycluster
16/07/29 15:16:01 INFO namenode.FSNamesystem: HA Enabled: true
16/07/29 15:16:01 INFO namenode.FSNamesystem: Append Enabled: true
16/07/29 15:16:01 INFO util.GSet: Computing capacity for map INodeMap
16/07/29 15:16:01 INFO util.GSet: VM type = 64-bit
16/07/29 15:16:01 INFO util.GSet: 1.0% max memory 958.5 MB = 9.6 MB
16/07/29 15:16:01 INFO util.GSet: capacity = 2^20 = 1048576 entries
16/07/29 15:16:01 INFO namenode.FSDirectory: ACLs enabled? false
16/07/29 15:16:01 INFO namenode.FSDirectory: XAttrs enabled? true
16/07/29 15:16:01 INFO namenode.FSDirectory: Maximum size of an xattr: 16384
16/07/29 15:16:01 INFO namenode.NameNode: Caching file names occuring more than 10 times
16/07/29 15:16:01 INFO util.GSet: Computing capacity for map cachedBlocks
16/07/29 15:16:01 INFO util.GSet: VM type = 64-bit
16/07/29 15:16:01 INFO util.GSet: 0.25% max memory 958.5 MB = 2.4 MB
16/07/29 15:16:01 INFO util.GSet: capacity = 2^18 = 262144 entries
16/07/29 15:16:01 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033
16/07/29 15:16:01 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0
16/07/29 15:16:01 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension = 30000
16/07/29 15:16:01 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.window.num.buckets = 10
16/07/29 15:16:01 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.num.users = 10
16/07/29 15:16:01 INFO metrics.TopMetrics: NNTop conf: dfs.namenode.top.windows.minutes = 1,5,25
16/07/29 15:16:01 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
16/07/29 15:16:01 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis
16/07/29 15:16:01 INFO util.GSet: Computing capacity for map NameNodeRetryCache
16/07/29 15:16:01 INFO util.GSet: VM type = 64-bit
16/07/29 15:16:01 INFO util.GSet: 0.029999999329447746% max memory 958.5 MB = 294.5 KB
16/07/29 15:16:01 INFO util.GSet: capacity = 2^15 = 32768 entries
16/07/29 15:16:01 INFO common.Storage: Lock on /data/hadoop/dfs/namenode/in_use.lock acquired by nodename 58145@sda1
16/07/29 15:16:01 INFO namenode.FSImage: No edit log streams selected.
16/07/29 15:16:01 INFO namenode.FSImageFormatPBINode: Loading 34148 INodes.
16/07/29 15:16:02 INFO namenode.FSImageFormatProtobuf: Loaded FSImage in 0 seconds.
16/07/29 15:16:02 INFO namenode.FSImage: Loaded image for txid 831713 from /data/hadoop/dfs/namenode/current/fsimage_0000000000000831713
16/07/29 15:16:02 INFO namenode.FSNamesystem: Need to save fs image? false (staleImage=true, haEnabled=true, isRollingUpgrade=false)
16/07/29 15:16:02 INFO namenode.NameCache: initialized with 222 entries 30740 lookups
16/07/29 15:16:02 INFO namenode.FSNamesystem: Finished loading FSImage in 272 msecs
Re-format filesystem in QJM to [XXX.XXX.XXX.44:8485, XXX.XXX.XXX.31:8485, XXX.XXX.XXX.32:8485] ? (Y or N) Y
16/07/29 15:16:33 INFO namenode.FileJournalManager: Recovering unfinalized segments in /data/hadoop/dfs/namenode/current
16/07/29 15:16:33 INFO client.QuorumJournalManager: Starting recovery process for unclosed journal segments...
16/07/29 15:16:33 INFO client.QuorumJournalManager: Successfully started new epoch 1
16/07/29 15:16:34 INFO util.ExitUtil: Exiting with status 0
16/07/29 15:16:34 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at sda1/XXX.XXX.XXX.43
************************************************************/
------------------------------오류내용-------------------------------
2016-06-12 15:02:34,760 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Start loading edits file http://so2:8480/getJournal?jid=mycluster&segmentTxId=185317&storageInfo=-63%3A1278801372%3A0%3ACID-c643ab86-79a1-481f-bd2e-f638d722ff4e, http://sda2:8480/
getJournal?jid=mycluster&segmentTxId=185317&storageInfo=-63%3A1278801372%3A0%3ACID-c643ab86-79a1-481f-bd2e-f638d722ff4e
"hadoop-root-namenode-sda1.log" 587921L, 201223721C
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
at org.apache.hadoop.hdfs.qjournal.client.QuorumException.create(QuorumException.java:81)
at org.apache.hadoop.hdfs.qjournal.client.QuorumCall.rethrowException(QuorumCall.java:223)
at org.apache.hadoop.hdfs.qjournal.client.AsyncLoggerSet.waitForWriteQuorum(AsyncLoggerSet.java:142)
at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.selectInputStreams(QuorumJournalManager.java:471)
at org.apache.hadoop.hdfs.server.namenode.JournalSet.selectInputStreams(JournalSet.java:278)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.selectInputStreams(FSEditLog.java:1508)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.selectInputStreams(FSEditLog.java:1532)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.doTailEdits(EditLogTailer.java:214)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:331)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$200(EditLogTailer.java:284)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:301)
at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:297)
2016-07-29 14:11:14,799 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Stopping services started for standby state
2016-07-29 14:11:14,799 WARN org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Edit log tailer interrupted
java.lang.InterruptedException: sleep interrupted
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:347)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$200(EditLogTailer.java:284)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:301)
at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:297)
2016-07-29 14:11:14,800 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Starting services required for active state
2016-07-29 14:11:14,807 INFO org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager: Starting recovery process for unclosed journal segments...
2016-07-29 14:11:14,831 FATAL org.apache.hadoop.hdfs.server.namenode.FSEditLog: Error: recoverUnfinalizedSegments failed for required journal (JournalAndStream(mgr=QJM to [XXX.XXX.XXX.44:8485, XXX.XXX.XXX.31:8485, XXX.XXX.XXX.32:8485], stream=null))
org.apache.hadoop.hdfs.qjournal.client.QuorumException: Got too many exceptions to achieve quorum size 2/3. 1 successful responses:
XXX.XXX.XXX.44:8485: lastPromisedEpoch: 22
httpPort: 8480
fromURL: "http://0.0.0.0:8480"
2 exceptions thrown:
XXX.XXX.XXX.32:8485: Journal Storage Directory /data/hadoop/journal/data/mycluster not formatted
at org.apache.hadoop.hdfs.qjournal.server.Journal.checkFormatted(Journal.java:461)
at org.apache.hadoop.hdfs.qjournal.server.Journal.getLastPromisedEpoch(Journal.java:244)
at org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer.getJournalState(JournalNodeRpcServer.java:123)
at org.apache.hadoop.hdfs.qjournal.protocolPB.QJournalProtocolServerSideTranslatorPB.getJournalState(QJournalProtocolServerSideTranslatorPB.java:118)
at org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos$QJournalProtocolService$2.callBlockingMethod(QJournalProtocolProtos.java:25415)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
XXX.XXX.XXX.31:8485: Journal Storage Directory /data/hadoop/journal/data/mycluster not formatted
at org.apache.hadoop.hdfs.qjournal.server.Journal.checkFormatted(Journal.java:461)
at org.apache.hadoop.hdfs.qjournal.server.Journal.getLastPromisedEpoch(Journal.java:244)
at org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer.getJournalState(JournalNodeRpcServer.java:123)
at org.apache.hadoop.hdfs.qjournal.protocolPB.QJournalProtocolServerSideTranslatorPB.getJournalState(QJournalProtocolServerSideTranslatorPB.java:118)
at org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos$QJournalProtocolService$2.callBlockingMethod(QJournalProtocolProtos.java:25415)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
at org.apache.hadoop.hdfs.qjournal.client.QuorumException.create(QuorumException.java:81)
at org.apache.hadoop.hdfs.qjournal.client.QuorumCall.rethrowException(QuorumCall.java:223)