I have already uploaded a patch for HADOOP-1076. If somebody can review this patch, it can be committed.
Thanks, dhruba -----Original Message----- From: ChaoChun Liang [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 04, 2007 1:12 AM To: [email protected] Subject: Re: secondary namenode errors Koji Noguchi wrote: > > Joydeep, > > I think you're hitting this bug. > http://issues.apache.org/jira/browse/HADOOP-1076 > > In any case, as Raghu suggested, please use 0.13.1 and not 0.13. > > Koji > Hi, I met the similar problem under 0.14.0 when I increase the slave nodes from 2 to 3. All tasks work fine in 2-nodes cluster, but will hang in reduce process in the 3-nodes cluster. My logs show as following for each *.secondarynamenode.* logs. 2007-09-04 16:02:33,390 ERROR org.apache.hadoop.dfs.NameNode.Secondary: Exception in doCheckpoint: 2007-09-04 16:02:33,390 ERROR org.apache.hadoop.dfs.NameNode.Secondary: org.apache.hadoop.ipc.RemoteException: java.io.IOException: Attempt to roll edit log but edits.new exists at org.apache.hadoop.dfs.FSEditLog.rollEditLog(FSEditLog.java:582) at org.apache.hadoop.dfs.FSNamesystem.rollEditLog(FSNamesystem.java:3510) at org.apache.hadoop.dfs.NameNode.rollEditLog(NameNode.java:553) at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:340) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:566) at org.apache.hadoop.ipc.Client.call(Client.java:470) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:165) at org.apache.hadoop.dfs.$Proxy0.rollEditLog(Unknown Source) at org.apache.hadoop.dfs.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java: 261) at org.apache.hadoop.dfs.SecondaryNameNode.run(SecondaryNameNode.java:190) at java.lang.Thread.run(Thread.java:619) Any suggestion to solve? ChaoChun -- View this message in context: http://www.nabble.com/secondary-namenode-errors-tf4321013.html#a12473770 Sent from the Hadoop Users mailing list archive at Nabble.com.
