Hadoop by default limit 5 concurrent threads per node for balancing
purpose. That causes your problem.
On Mon, Apr 15, 2013 at 10:24 PM, rauljin wrote:
> **
> HI:
>The hadoop cluster is running balance.
>
>And one datannode 172.16.80.72 is :
>
> Datanode :Not able to copy block
HI:
The hadoop cluster is running balance.
And one datannode 172.16.80.72 is :
Datanode :Not able to copy block -507744952197054725 to /172.16.80.73:51658
because threads quota is exceeded.
ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
DatanodeRegistration(172.16.80.72: