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MapReduce, mail # user - Live nodes count not incremented with the addition of new nodes


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iwannaplay games 2012-08-23, 13:48
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Harsh J 2012-08-23, 13:54
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iwannaplay games 2012-08-24, 08:57
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Re: Live nodes count not incremented with the addition of new nodes
Mohammad Tariq 2012-08-24, 09:53
Run the balancer once and see if it works.

Regards,
    Mohammad Tariq

On Fri, Aug 24, 2012 at 2:27 PM, iwannaplay games <
[EMAIL PROTECTED]> wrote:

> yeah installation is proper but it seems they are sharing the same storage
> id'
> Do i need to make any change in slaves configuration.I have copied the
> slaves image on other nodes.
> Check this log file:
> 2012-08-24 19:46:18,179 INFO org.apache.hadoop.net.NetworkTopology:
> Adding a new node: /default-rack/192.168.0.190:50010
> 2012-08-24 19:46:18,188 INFO org.apache.hadoop.hdfs.StateChange:
> *BLOCK* NameNode.blocksBeingWrittenReport: from 192.168.0.190:50010 0
> blocks
> 2012-08-24 19:46:18,215 INFO org.apache.hadoop.hdfs.StateChange:
> *BLOCK* NameSystem.processReport: from 192.168.0.190:50010, blocks: 0,
> processing time: 1 msecs
> 2012-08-24 19:46:18,276 INFO org.apache.hadoop.hdfs.StateChange:
> BLOCK* NameSystem.registerDatanode: node registration from
> 192.168.0.122:50010 storage
> DS-2050366683-192.168.0.122-50010-1344447057014
> 2012-08-24 19:46:18,276 INFO org.apache.hadoop.hdfs.StateChange:
> BLOCK* NameSystem.registerDatanode: node 192.168.0.190:50010 is
> replaced by 192.168.0.122:50010 with the same storageID
> DS-2050366683-192.168.0.122-50010-1344447057014
> 2012-08-24 19:46:18,276 INFO org.apache.hadoop.net.NetworkTopology:
> Removing a node: /default-rack/192.168.0.190:50010
> 2012-08-24 19:46:18,276 INFO org.apache.hadoop.net.NetworkTopology:
> Adding a new node: /default-rack/192.168.0.122:50010
>
>
> Why with another node registration previous node is removed?
>
> Regards
> Prabhjot
>
> On Thu, Aug 23, 2012 at 7:24 PM, Harsh J <[EMAIL PROTECTED]> wrote:
> >
> > I'd first check if your additional nodes came up fine (check the
> > services' logs) and connected to the master alright.
> >
> > On Thu, Aug 23, 2012 at 7:18 PM, iwannaplay games
> > <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > > Hi
> > >
> > > I had a 2 node cluster earlier.I added 2 nodes on the fly in hadoop
> cluster.
> > >
> > > Ran these commands
> > > hadoop dfsadmin -refreshNodes
> > > hadoop mradmin -refreshNodes
> > >
> > > But still when i check through fsck or http://master:50070
> > > i get only 2 live nodes,one master and one slave(out of 3
> slaves,randomly it
> > > picks anyone)
> > >
> > > Can anybody tell me why its not updating the count of live nodes to 4.
> > >
> > > Regards
> > > Prabhjot
> > >
> >
> >
> >
> > --
> > Harsh J
>
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iwannaplay games 2012-08-24, 10:32
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Mohammad Tariq 2012-08-24, 10:45
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Harsh J 2012-08-24, 11:49