set the number of namenodes that should be run . this must be set before calling #startcluster concode_field_sep MiniDFSCluster cluster concode_elem_sep int BLOCK_SIZE concode_elem_sep int nns concode_elem_sep Configuration conf concode_elem_sep TestContext testCtx concode_field_sep FileSystem getFailoverFs concode_elem_sep void startThreads concode_elem_sep void addFailoverThread concode_elem_sep void stopThreads concode_elem_sep void addReplicationTriggerThread concode_elem_sep void shutdown concode_elem_sep MiniDFSCluster startCluster
void function ( int arg0 ) { this . nns = arg0 ; }