lukecwik commented on a change in pull request #11406: [BEAM-9748] Move
Reparallelize transform to Reshuffle
URL: https://github.com/apache/beam/pull/11406#discussion_r408960107
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Reshuffle.java
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@@ -65,6 +66,16 @@ private Reshuffle() {}
return new ViaRandomKey<>();
}
+ @Experimental
Review comment:
I think the key is that the large input was generated with limited
parallelism and suggest that we update `ViaRandomKey` to perform both
expansions where the side input fusion break is added if the
`withHintHighFanoutAndLimitedInputParallelism()` is specified.
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