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Posted to dev@heron.apache.org by GitBox <gi...@apache.org> on 2018/05/19 18:12:18 UTC
[GitHub] jerrypeng commented on issue #2692: Making emit, ack,
and fail thread safe
jerrypeng commented on issue #2692: Making emit, ack, and fail thread safe
URL: https://github.com/apache/incubator-heron/pull/2692#issuecomment-390422873
@nlu90 just to be clear, with out this patch its not even possible to guarantee at-most once. An NPE will very likely to be thrown if you emit, ack, or fail from different threads
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