Looks like your nodes share the same storage (NFS share or SAN?), and only one DN can serve it (else it would be unmanageable).
J-D On Mon, Apr 26, 2010 at 3:03 AM, Muhammad Mudassar <mudassa...@gmail.com> wrote: > I have posted the problem in common-user but no one replied so now sending > here to get some help on the issue. > > ---------- Forwarded message ---------- > From: Muhammad Mudassar <mudassa...@gmail.com> > Date: Fri, Apr 23, 2010 at 4:59 PM > Subject: data node stops on slave > To: common-u...@hadoop.apache.org > > > Hi > > I am following tutorial running hadoop on ubuntu linux (multinode cluster) > * > http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Multi-Node_Cluster) > *<http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Multi-Node_Cluster%29> > for configuring 2 node cluster but i am facing problem data node on slave > machine goes down after some time here I am sending log file of datanode on > slave machine and log file of namenode at master machine kindly help me to > solve the issue. > > *Log file of data node on slave machine* > > 2010-04-23 17:37:17,690 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: > /************************************************************ > STARTUP_MSG: Starting DataNode > STARTUP_MSG: host = hadoop-desktop/127.0.1.1 > STARTUP_MSG: args = [] > STARTUP_MSG: version = 0.20.2 > STARTUP_MSG: build = > https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r > 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010 > ************************************************************/ > 2010-04-23 17:37:19,115 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/10.3.31.221:54310. Already tried 0 time(s). > 2010-04-23 17:37:25,303 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Registered > FSDatasetStatusMBean > 2010-04-23 17:37:25,305 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Opened info server at 50010 > 2010-04-23 17:37:25,307 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Balancing bandwith is > 1048576 bytes/s > 2010-04-23 17:37:30,777 INFO org.mortbay.log: Logging to > org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via > org.mortbay.log.Slf4jLog > 2010-04-23 17:37:30,833 INFO org.apache.hadoop.http.HttpServer: Port > returned by webServer.getConnectors()[0].getLocalPort() before open() is -1. > Opening the listener on 50075 > 2010-04-23 17:37:30,833 INFO org.apache.hadoop.http.HttpServer: > listener.getLocalPort() returned 50075 > webServer.getConnectors()[0].getLocalPort() returned 50075 > 2010-04-23 17:37:30,833 INFO org.apache.hadoop.http.HttpServer: Jetty bound > to port 50075 > 2010-04-23 17:37:30,833 INFO org.mortbay.log: jetty-6.1.14 > 2010-04-23 17:37:31,242 INFO org.mortbay.log: Started > selectchannelconnec...@0.0.0.0:50075 > 2010-04-23 17:37:31,279 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: > Initializing JVM Metrics with processName=DataNode, sessionId=null > 2010-04-23 17:37:36,608 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: > Initializing RPC Metrics with hostName=DataNode, port=50020 > 2010-04-23 17:37:36,610 INFO org.apache.hadoop.ipc.Server: IPC Server > Responder: starting > 2010-04-23 17:37:36,610 INFO org.apache.hadoop.ipc.Server: IPC Server > listener on 50020: starting > 2010-04-23 17:37:36,610 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 0 on 50020: starting > 2010-04-23 17:37:36,610 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 1 on 50020: starting > 2010-04-23 17:37:36,611 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 2 on 50020: starting > 2010-04-23 17:37:36,611 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: dnRegistration = > DatanodeRegistration(hadoop-desktop:50010, > storageID=DS-463609775-127.0.1.1-50010-1271833984369, infoPort=50075, > ipcPort=50020) > 2010-04-23 17:37:36,639 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > 10.3.31.220:50010, storageID=DS-463609775-127.0.1.1-50010-1271833984369, > infoPort=50075, ipcPort=50020)In DataNode.run, data = > FSDataset{dirpath='/home/hadoop/Desktop/dfs/datahadoop/dfs/data/current'} > 2010-04-23 17:37:36,639 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: using BLOCKREPORT_INTERVAL > of 3600000msec Initial delay: 0msec > 2010-04-23 17:37:36,653 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: BlockReport of 17 blocks > got processed in 6 msecs > 2010-04-23 17:37:36,665 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Starting Periodic block > scanner. > 2010-04-23 17:37:39,641 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeCommand action: > DNA_REGISTER > 2010-04-23 17:37:42,645 WARN > org.apache.hadoop.hdfs.server.datanode.DataNode: DataNode is shutting down: > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.protocol.UnregisteredDatanodeException: Data node > 10.3.31.220:50010 is attempting to report storage ID > DS-463609775-127.0.1.1-50010-1271833984369. Node 10.3.31.221:50010 is > expected to serve this storage. > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getDatanode(FSNamesystem.java:3920) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.processReport(FSNamesystem.java:2891) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.blockReport(NameNode.java:715) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) > > at org.apache.hadoop.ipc.Client.call(Client.java:740) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) > at $Proxy4.blockReport(Unknown Source) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.offerService(DataNode.java:756) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.run(DataNode.java:1186) > at java.lang.Thread.run(Thread.java:619) > > 2010-04-23 17:37:42,648 INFO org.apache.hadoop.ipc.Server: Stopping server > on 50020 > 2010-04-23 17:37:42,648 INFO org.apache.hadoop.ipc.Server: Stopping IPC > Server listener on 50020 > 2010-04-23 17:37:42,648 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 2 on 50020: exiting > 2010-04-23 17:37:42,649 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Waiting for threadgroup to > exit, active threads is 1 > 2010-04-23 17:37:42,649 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 1 on 50020: exiting > 2010-04-23 17:37:42,649 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 0 on 50020: exiting > 2010-04-23 17:37:42,649 INFO org.apache.hadoop.ipc.Server: Stopping IPC > Server Responder > 2010-04-23 17:37:42,649 WARN > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > 10.3.31.220:50010, storageID=DS-463609775-127.0.1.1-50010-1271833984369, > infoPort=50075, ipcPort=50020):DataXceiveServer: > java.nio.channels.AsynchronousCloseException > at > java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185) > at > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:152) > at sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130) > at java.lang.Thread.run(Thread.java:619) > > 2010-04-23 17:37:42,680 INFO > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Exiting > DataBlockScanner thread. > 2010-04-23 17:37:43,649 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Waiting for threadgroup to > exit, active threads is 0 > 2010-04-23 17:37:43,761 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > 10.3.31.220:50010, storageID=DS-463609775-127.0.1.1-50010-1271833984369, > infoPort=50075, ipcPort=50020):Finishing DataNode in: > FSDataset{dirpath='/home/hadoop/Desktop/dfs/datahadoop/dfs/data/current'} > 2010-04-23 17:37:43,761 INFO org.apache.hadoop.ipc.Server: Stopping server > on 50020 > 2010-04-23 17:37:43,761 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: Waiting for threadgroup to > exit, active threads is 0 > 2010-04-23 17:37:43,762 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: > /************************************************************ > SHUTDOWN_MSG: Shutting down DataNode at hadoop-desktop/127.0.1.1 > ************************************************************/ > > * > log file of name node on master machine* > > 2010-04-23 16:37:17,736 INFO > org.apache.hadoop.hdfs.server.namenode.NameNode: STARTUP_MSG: > /************************************************************ > STARTUP_MSG: Starting NameNode > STARTUP_MSG: host = mudassar-desktop/127.0.1.1 > STARTUP_MSG: args = [] > STARTUP_MSG: version = 0.20.2 > STARTUP_MSG: build = > https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r > 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010 > ************************************************************/ > 2010-04-23 16:37:18,547 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: > Initializing RPC Metrics with hostName=NameNode, port=54310 > 2010-04-23 16:37:18,558 INFO > org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up at: master/ > 10.3.31.221:54310 > 2010-04-23 16:37:18,560 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: > Initializing JVM Metrics with processName=NameNode, sessionId=null > 2010-04-23 16:37:18,560 INFO > org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics: Initializing > NameNodeMeterics using context > object:org.apache.hadoop.metrics.spi.NullContext > 2010-04-23 16:37:18,634 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: > fsOwner=hadoop,hadoop,admin > 2010-04-23 16:37:18,634 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup > 2010-04-23 16:37:18,634 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: > isPermissionEnabled=true > 2010-04-23 16:37:18,648 INFO > org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics: > Initializing FSNamesystemMetrics using context > object:org.apache.hadoop.metrics.spi.NullContext > 2010-04-23 16:37:18,649 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered > FSNamesystemStatusMBean > 2010-04-23 16:37:18,775 INFO org.apache.hadoop.hdfs.server.common.Storage: > Number of files = 40 > 2010-04-23 16:37:18,784 INFO org.apache.hadoop.hdfs.server.common.Storage: > Number of files under construction = 0 > 2010-04-23 16:37:18,784 INFO org.apache.hadoop.hdfs.server.common.Storage: > Image file of size 4763 loaded in 0 seconds. > 2010-04-23 16:37:18,784 INFO org.apache.hadoop.hdfs.server.common.Storage: > Edits file /home/hadoop/Desktop/dfs/datahadoop/dfs/name/current/edits of > size 4 edits # 0 loaded in 0 seconds. > 2010-04-23 16:37:18,806 INFO org.apache.hadoop.hdfs.server.common.Storage: > Image file of size 4763 saved in 0 seconds. > 2010-04-23 16:37:18,835 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Finished loading > FSImage in 230 msecs > 2010-04-23 16:37:18,851 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode ON. > The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. > Safe mode will be turned off automatically. > 2010-04-23 16:37:24,338 INFO org.mortbay.log: Logging to > org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via > org.mortbay.log.Slf4jLog > 2010-04-23 16:37:24,389 INFO org.apache.hadoop.http.HttpServer: Port > returned by webServer.getConnectors()[0].getLocalPort() before open() is -1. > Opening the listener on 50070 > 2010-04-23 16:37:24,389 INFO org.apache.hadoop.http.HttpServer: > listener.getLocalPort() returned 50070 > webServer.getConnectors()[0].getLocalPort() returned 50070 > 2010-04-23 16:37:24,389 INFO org.apache.hadoop.http.HttpServer: Jetty bound > to port 50070 > 2010-04-23 16:37:24,390 INFO org.mortbay.log: jetty-6.1.14 > 2010-04-23 16:37:24,890 INFO org.mortbay.log: Started > selectchannelconnec...@0.0.0.0:50070 > 2010-04-23 16:37:24,891 INFO > org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at: > 0.0.0.0:50070 > 2010-04-23 16:37:24,903 INFO org.apache.hadoop.ipc.Server: IPC Server > Responder: starting > 2010-04-23 16:37:24,905 INFO org.apache.hadoop.ipc.Server: IPC Server > listener on 54310: starting > 2010-04-23 16:37:24,910 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 0 on 54310: starting > 2010-04-23 16:37:24,911 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 1 on 54310: starting > 2010-04-23 16:37:24,911 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 2 on 54310: starting > 2010-04-23 16:37:24,911 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 3 on 54310: starting > 2010-04-23 16:37:24,911 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 4 on 54310: starting > 2010-04-23 16:37:24,911 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 5 on 54310: starting > 2010-04-23 16:37:24,917 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 7 on 54310: starting > 2010-04-23 16:37:24,927 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 8 on 54310: starting > 2010-04-23 16:37:24,935 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 6 on 54310: starting > 2010-04-23 16:37:24,937 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 9 on 54310: starting > 2010-04-23 16:37:36,600 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node registration from > 10.3.31.220:50010storage DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:36,602 INFO org.apache.hadoop.net.NetworkTopology: Adding a > new node: /default-rack/10.3.31.220:50010 > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.processReport: block blk_-6150136027661787226_1027 on > 10.3.31.220:50010 size 518 does not belong to any file. > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.addToInvalidates: blk_-6150136027661787226 is added to invalidSet > of 10.3.31.220:50010 > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.processReport: block blk_-4836367697260863721_1028 on > 10.3.31.220:50010 size 458 does not belong to any file. > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.addToInvalidates: blk_-4836367697260863721 is added to invalidSet > of 10.3.31.220:50010 > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.processReport: block blk_8159389050888609678_1025 on > 10.3.31.220:50010 size 4 does not belong to any file. > 2010-04-23 16:37:36,615 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.addToInvalidates: blk_8159389050888609678 is added to invalidSet > of 10.3.31.220:50010 > 2010-04-23 16:37:38,641 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node registration from > 10.3.31.221:50010storage DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:38,641 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node 10.3.31.220:50010 is replaced by > 10.3.31.221:50010 with the same storageID > DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:38,642 INFO org.apache.hadoop.net.NetworkTopology: Removing > a node: /default-rack/10.3.31.220:50010 > 2010-04-23 16:37:38,642 INFO org.apache.hadoop.net.NetworkTopology: Adding a > new node: /default-rack/10.3.31.221:50010 > 2010-04-23 16:37:38,669 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode extension entered. > The ratio of reported blocks 1.0000 has reached the threshold 0.9990. Safe > mode will be turned off automatically in 29 seconds. > 2010-04-23 16:37:39,604 FATAL org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.getDatanode: Data node 10.3.31.220:50010 is attempting to report > storage ID DS-463609775-127.0.1.1-50010-1271833984369. Node > 10.3.31.221:50010 is expected to serve this storage. > 2010-04-23 16:37:39,605 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node registration from > 10.3.31.220:50010storage DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:39,605 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node 10.3.31.221:50010 is replaced by > 10.3.31.220:50010 with the same storageID > DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:39,605 INFO org.apache.hadoop.net.NetworkTopology: Removing > a node: /default-rack/10.3.31.221:50010 > 2010-04-23 16:37:39,605 INFO org.apache.hadoop.net.NetworkTopology: Adding a > new node: /default-rack/10.3.31.220:50010 > 2010-04-23 16:37:41,644 FATAL org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.getDatanode: Data node 10.3.31.221:50010 is attempting to report > storage ID DS-463609775-127.0.1.1-50010-1271833984369. Node > 10.3.31.220:50010 is expected to serve this storage. > 2010-04-23 16:37:41,645 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node registration from > 10.3.31.221:50010storage DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:41,645 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.registerDatanode: node 10.3.31.220:50010 is replaced by > 10.3.31.221:50010 with the same storageID > DS-463609775-127.0.1.1-50010-1271833984369 > 2010-04-23 16:37:41,645 INFO org.apache.hadoop.net.NetworkTopology: Removing > a node: /default-rack/10.3.31.220:50010 > 2010-04-23 16:37:41,646 INFO org.apache.hadoop.net.NetworkTopology: Adding a > new node: /default-rack/10.3.31.221:50010 > 2010-04-23 16:37:42,606 FATAL org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.getDatanode: Data node 10.3.31.220:50010 is attempting to report > storage ID DS-463609775-127.0.1.1-50010-1271833984369. Node > 10.3.31.221:50010 is expected to serve this storage. > 2010-04-23 16:37:42,607 INFO org.apache.hadoop.ipc.Server: IPC Server > handler 7 on 54310, call blockReport(DatanodeRegistration(10.3.31.220:50010, > storageID=DS-463609775-127.0.1.1-50010-1271833984369, infoPort=50075, > ipcPort=50020), [...@1320a41) from 10.3.31.220:33776: error: > org.apache.hadoop.hdfs.protocol.UnregisteredDatanodeException: Data node > 10.3.31.220:50010 is attempting to report storage ID > DS-463609775-127.0.1.1-50010-1271833984369. Node 10.3.31.221:50010 is > expected to serve this storage. > org.apache.hadoop.hdfs.protocol.UnregisteredDatanodeException: Data node > 10.3.31.220:50010 is attempting to report storage ID > DS-463609775-127.0.1.1-50010-1271833984369. Node 10.3.31.221:50010 is > expected to serve this storage. > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getDatanode(FSNamesystem.java:3920) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.processReport(FSNamesystem.java:2891) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.blockReport(NameNode.java:715) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) > 2010-04-23 16:37:58,671 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode ON. > The ratio of reported blocks 1.0000 has reached the threshold 0.9990. Safe > mode will be turned off automatically in 9 seconds. > 2010-04-23 16:38:08,673 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Total number of blocks > = 15 > 2010-04-23 16:38:08,673 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of invalid > blocks = 0 > 2010-04-23 16:38:08,673 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > under-replicated blocks = 8 > 2010-04-23 16:38:08,673 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > over-replicated blocks = 0 > 2010-04-23 16:38:08,673 INFO org.apache.hadoop.hdfs.StateChange: STATE* > Leaving safe mode after 50 secs. > 2010-04-23 16:38:08,673 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode is OFF. > 2010-04-23 16:38:08,673 INFO org.apache.hadoop.hdfs.StateChange: STATE* > Network topology has 1 racks and 1 datanodes > 2010-04-23 16:38:08,673 INFO org.apache.hadoop.hdfs.StateChange: STATE* > UnderReplicatedBlocks has 8 blocks > 2010-04-23 16:38:09,856 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* ask > 10.3.31.221:50010 to delete blk_-6150136027661787226_1027 > blk_8159389050888609678_1025 blk_-4836367697260863721_1028 > 2010-04-23 16:42:37,019 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log from > 10.3.31.221 > 2010-04-23 16:42:37,019 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of transactions: > 0 Total time for transactions(ms): 0Number of transactions batched in Syncs: > 0 Number of syncs: 0 SyncTimes(ms): 0 > 2010-04-23 16:42:37,398 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll FSImage from > 10.3.31.221 > 2010-04-23 16:42:37,398 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of transactions: > 0 Total time for transactions(ms): 0Number of transactions batched in Syncs: > 0 Number of syncs: 1 SyncTimes(ms): 1 > > -- > Regards > > Muhammad Mudassar > > > > -- > Regards > > Muhammad Mudassar >
