Hi Marchant,
I'm afraid that the serde cost still exists even if both operators run in
same TaskManager.
Best,
Kurt
On Tue, Sep 5, 2017 at 9:26 PM, Marchant, Hayden
wrote:
> I have a streaming application that has a keyBy operator followed by an
> operator working on the keyed values (a custom
I have a streaming application that has a keyBy operator followed by an
operator working on the keyed values (a custom sum operator). If the map
operator and aggregate operator are running on same Task Manager , will Flink
always serialize and deserialize the tuples, or is there an optimization