Hello, I have had success with the tutorial found here:
http://www.michael-noll.com/blog/2011/04/09/benchmarking-and-stress-testing-an-hadoop-cluster-with-terasort-testdfsio-nnbench-mrbench/#testdfsio TestDFSIO is a great place to start, but depending on the nature of what you are testing, writing a custom script that doesn't use a MapReduce job for benchmark set up may be beneficial. Best of luck, Elise On 09/02/11, Yingchao Liu <yli...@wisc.edu> wrote: > Hello everyone, > > Currently, I am trying to run a benchmark to test the dataNode performance( > write, append, read ). I think DFSIO is what I need, but I don't know how to > use it, can anyone give me a line or tutorial to run DFSIO on hadoop-0.21.0? > > thx > >
