Hi yang
Thank you for your comment.
I read document and got an idea.
Flink uses custom serializers on known types, and the fallback is kryo.
The other arbitary objects is serialized by kryo.
On 2018/07/12 12:14, vino yang wrote:
Hi Yuta,
It seems Chesnay is right. The "fallback" in flink's
Hi Yuta,
It seems Chesnay is right. The "fallback" in flink's documentation is in
terms of the types flink supported. But for all the other arbitrary types
kryo is the first choice.
2018-07-12 9:55 GMT+08:00 Yuta Morisawa :
> Thank you for your answer.
>
> > For POJOs Flink has a custom serializ
Thank you for your answer.
> For POJOs Flink has a custom serializer. For arbitrary objects we use
> kryo, and can use Avro as a fallback.
https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/types_serialization.html#serialization-of-pojo-types
It may be the reverse.
Kryo is for fallb
1) TypeInformation are used to create serializers, comparators and to
verify correctness of certain operations (like projections on tuple
datasets).
2) see
https://flink.apache.org/news/2015/05/11/Juggling-with-Bits-and-Bytes.html
3) Flink comes with a number of serializers for varying types
Hi all
Now, I'm reading Flink document and I have some points to feel difficult
to get an idea.
I'd appreciate if you tell it me.
1,TypeInformation
I understand TypeInformation is used for selecting relevant serializer
and comparator.
But, the ducument doesn't specify if it has another way