Map reduce job getting stuck at map 0% reduce 0%

Question

I am running the famous wordcount example. I have a local and prod hadoop setup. The same example is working in prod, but its not working locally. Can someone tell me what s

Answer 1

If this problem is coming when using Hive queries then do check if you are joining two very big tables without leveraging partitions. Not using partitions may lead to long running full table scans and hence stuck at map 0% reduce 0%.