Hi, at the moment, Tuples are more efficient than POJOs, because POJO fields are accessed via Java reflection whereas Tuple fields are directly accessed. This performance penalty could be overcome by code-generated seriliazers and comparators but I am not aware of any work in that direction.
Best, Fabian 2015-07-06 11:01 GMT+02:00 Flavio Pompermaier <pomperma...@okkam.it>: > Hi to all, > I was thinking to write my own flink-compatible library and I need > basically a Tuple5. > > Is there any performace loss in using a POJO with 5 String fields vs a > Tuple5? > If yes, wouldn't be a good idea to extract flink tuples in a separate > simple project (e.g. flink-java-tuples) that has no other dependency to > enable other libs to write their flink-compatible logic without the need to > exclude all the transitive dependency of flink-java? > > Best, > Flavio >
