8 datanode in my hadoop cluseter ,when running reduce job,there is only 2 datanode running the job .
I want to use the 8 datanode to run the reduce job,so I can balance the I/O press. Any ideas? Thanks. rauljin
8 datanode in my hadoop cluseter ,when running reduce job,there is only 2 datanode running the job .
I want to use the 8 datanode to run the reduce job,so I can balance the I/O press. Any ideas? Thanks. rauljin