Who will Responsible for Handling DFS Write Pipe line Failure

Hi All, I am just started Learning fundamentals of HDFS and its internal mechanism , concepts used here are very impressive and looks simple but makes me confusing and my question is *who will responsible for handling DFS write failure in pipe line (assume replication factor is 3 and 2nd DN fail

non-Java TFile Reader

Hi Experts Not sure if there's a non-java TFile Reader implementation? For example Python or C# or other languages...? Xiaoyong