| Apache Pig |
MapReduce |
| Apache Pig is a data flow language. |
MapReduce is a data processing paradigm. |
| It is a high level language. |
MapReduce is low level and rigid. |
| Performing a Join operation in Apache Pig is pretty simple. |
It is quite difficult in MapReduce to perform a Join operation between datasets. |
| Any novice programmer with a basic knowledge of SQL can work conveniently with Apache Pig. |
Exposure to Java is must to work with MapReduce. |
| Apache Pig uses multi-query approach, thereby reducing the length of the codes to a great extent. |
MapReduce will require almost 20 times more the number of lines to perform the same task. |
| There is no need for compilation. On execution, every Apache Pig operator is converted internally into a MapReduce job. |
MapReduce jobs have a long compilation process. |
Big Data Hadoop 