| Name | Description | Type | Package | Framework |
| MapJoinMemoryExhaustionException | Class | org.apache.hadoop.hive.ql.exec.mapjoin | Apache Hive | |
| MapJoinMemoryExhaustionHandler | Handles the logic around deciding when to throw an MapJoinMemoryExhaustionException for HashTableSinkOperator. | Class | org.apache.hadoop.hive.ql.exec.mapjoin | Apache Hive |
| MapJoinOperator | Map side Join operator implementation. | Class | org.apache.hadoop.hive.ql.exec | Apache Hive |