The short answer is that because DataSet is not serializable.
I think the main underlying problem is that Flink needs to see all
DataSet operations before launching the job. However, if you have a
DataSet>, then operations on the inner DataSets will end up
being specified inside the UDFs of operat
It seems what i tried did indeed not work.
Can you explain me why that doesn't work though?
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Hello,
How exactly do you represent the DataSet of DataSets? I'm asking
because if you have something like a
DataSet>
that unfortunately doesn't work in Flink.
Best,
Gábor
2016-11-14 20:44 GMT+01:00 otherwise777 :
> Hey There,
>
> I'm trying to calculate the betweenness in a graph with Flin