pig to map reduce
Understanding Pig and Hive Operator in Terms on Map and Reduce
Mapping Pig operators to Map Reduce
| Pig Operator | Map reduce |
| Load | Map |
| Foreach | Can be part of Map or Reduce |
| Join(Full , Inner, Left , Right) | Reduce side Join |
| Group By | Reduce side Join |
| Filter | Can be part of Map or Reduce |
| Co-group | Reduce side Join |
| Store | Can be part of Map or Reduce |
| Replicated Join | Map Side Join |
| Split | Kind of MultipleOutput |
| Load + Union | MultipleInput |