"org.apache.hadoop.hdfs.ChecksumDistributedFileSystem");
dfs = new MiniDFSCluster(conf, 1, true, null);
fileSys = dfs.getFileSystem();
mr = new MiniMRCluster(2, fileSys.getName(), 4);
TestResult ret = MRSharedCaching.launchMRCache("/testing/wc/input",
"/testing/wc/output",
"/cachedir",
mr.createJobConf(),
"The quick brown fox\nhas many silly\n"
+ "red fox sox\n", false);