Thank you for the quick reply. Here are the WARNs and ERRORs from namenode log:
2014-01-02 16:02:34,121 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:root cause:java.io.IOException: File /hbase/3_webpage/ab9bcbedd658fc21eed5794c1d5f2a8c/recovered.edits/0000000000000005591.temp could only be replicated to 0 nodes, instead of 1 2014-01-02 16:02:34,173 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:root cause:java.io.IOException: File /hbase/3_webpage/6f16b76b2f93a85c3c9fb0dc203f44d1/recovered.edits/0000000000000005832.temp could only be replicated to 0 nodes, instead of 1 2014-01-02 16:02:34,477 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:root cause:java.io.IOException: File /hbase/.META./1028785192/recovered.edits/0000000000000005582.temp could only be replicated to 0 nodes, instead of 1 2014-01-02 16:02:34,483 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:root cause:java.io.IOException: File /hbase/-ROOT-/70236052/recovered.edits/0000000000000005583.temp could only be replicated to 0 nodes, instead of 1 etc. 2014-01-02 16:02:34,121 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Not able to place enough replicas, still in need of 1 to reach 1 2014-01-02 16:02:34,173 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Not able to place enough replicas, still in need of 1 to reach 1 2014-01-02 16:02:34,477 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Not able to place enough replicas, still in need of 1 to reach 1 2014-01-02 16:02:34,483 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Not able to place enough replicas, still in need of 1 to reach 1 etc. I will try to deploy more data and name nodes in order to see if this helps. Any further feedback is appreciated. On 01/02/2014 04:33 PM, Ted Yu wrote: > org.apache.hadoop.ipc.RemoteException: java.io.IOException: File > /hbase/3_webpage/9b4a1a1b189a78ef83d7b7c00ca791d0/recovered.edits/ > 0000000000000007585.temp > could only be replicated to 0 nodes, instead of 1 > > Looks like there was some issue in hdfs. Have you checked namenode log > during this time period ? > > bq. Number of data-nodes: 1 > > Can you deploy more data nodes ? > > >
