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From aljoscha <...@git.apache.org>
Subject [GitHub] flink issue #3508: [FLINK-5991] [state-backend, streaming] Expose Broadcast ...
Date Fri, 17 Mar 2017 10:56:36 GMT
Github user aljoscha commented on the issue:

    I would like us to take some time and think about the name. We are about to introduce
a thing called "broadcast state" somewhat soon in the effort to make streaming joins possible.
This broadcast state will provide an interface very similar to the current keyed state (we'll
probably reuse the descriptors and state interfaces) but be checkpointed only on one operator
because we only allow modifications based on broadcast input.
    I propose to rename the state we're talking about here to `UnionState` (or something)
similar because what it does is take the snapshotted state from all operators and when restoring
sends the union of that to all operators.

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