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The following test starts breaking with this branch. It prints out 1 to 128 then stops and does not print anything else (apparently no progress is made). In branch 1.x this continues to print past 128. range(1, RxRingBuffer.SIZE *4).repeat()
.groupBy((d) -> d)
.flatMap((go) ->
go.doOnNext(System.out::println)
.subscribeOn(Schedulers.io())
)
.subscribe(); |
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This is because the lack of horizontal unboundedness of flatMap and the bug in groupBy together made it work in 1.0.14. If I run this code with the 2.x fix and add 1024 as the max concurrency value, it prints lots of values indefinitely. |
markrietveld
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Nov 3, 2015
To avoid the conflicts with ReactiveX#3428
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Is this comment meant for the inner observable? The outer observable gets a request of 128.
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I've updated the comments. |
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This is a backport of the 2.x GroupBy operator which solves #3425.
One unit test in OperatorRetryTest had to be altered a bit. I believe
the original code relied on a GroupBy behavior which caused the bug in
#3425.