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 liujin666...@sina.com wrote:
**
HI:
The hadoop cluster is running balance.
And one datannode 172.16.80.72 is :
Datanode :Not
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: