Pig Distributed cache

Question

What is the difference between getShipFiles & getCacheFiles in EvalFunc class?

Assuming any file specified in this method are available to exec method from distributed cache

Answer 1

getCacheFiles() Allow a UDF to specify a list of hdfs files it would like placed in the distributed cache.

getShipFiles() Allow a UDF to specify a list of local files it would like placed in the distributed cache.

So getShipFiles get files from local files and Cache get them form HDFS.