This could be a bug but I'd need to see more of the DataStream code to be
sure. Could you share that code?
On Sat, Jun 12, 2021 at 9:56 PM Ken Krugler
wrote:
> Hi Timo,
>
> Thanks, I’ll give the ResultTypeQueryable interface a try - my previous
> experience registering custom Kryo serializers wa
Hi Timo,
Thanks, I’ll give the ResultTypeQueryable interface a try - my previous
experience registering custom Kryo serializers wasn’t so positive.
Though I’m still curious as to whether java.lang.ClassCastException I got was
representative of a bug in Flink, or my doing something wrong.
But w
Hi Ken,
non-POJOs are serialized with Kryo. This might not give you optimal
performance. You can register a custom Kryo serializer in
ExecutionConfig to speed up the serialization.
Alternatively, you can implement `ResultTypeQueryable` provide a custom
type information with a custom serializ
Hi all,
I'm using Flink 1.12 and a custom partitioner/partitioning key (batch mode,
with a DataSet) to do a better job of distributing data to tasks. The classes
look like:
public class MyPartitioner implements Partitioner
{
...
}
public class MyGroupingKey implements Comparable
{
..