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From xingcan <xingc...@gmail.com>
Subject About delta awareness caches
Date Tue, 29 Nov 2016 14:46:56 GMT
Hi all,

Recently I tried to transfer some old applications from Storm to Flink.
In Storm, the window implementation (TupleWindow) gets two methods named
getNew() and getExpired() which supply the delta information of a window
and therefore we wrote some stateful caches that are aware of them.
However, it seems that Flink deals with the window in a different way and
supplies more "formalized" APIs.
So, any tips on how to adapt these delta awareness caches in Flink or do
some refactors to make them suitable?

Thanks.

Best,
Xingcan

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