Maybe a stupid question, but if I have a Java program using hadoop-hdfs jar to write to HDFS is there any sort of compatibility scheme with the actual Hadoop cluster it is talking to?
In other words, should the version between the two be fully identical? Can any 2.8.x jar talk to any 2.8.y cluster? Or 2.8 can even talk to 2.7? Thanks! -- Christophe
