I agree with Imran, we need to fix SPARK-23243 and any correctness issues for that matter. Tom On Wednesday, August 8, 2018, 9:06:43 AM CDT, Imran Rashid <iras...@cloudera.com.INVALID> wrote: On Tue, Aug 7, 2018 at 8:39 AM, Wenchen Fan <cloud0...@gmail.com> wrote: SPARK-23243: Shuffle+Repartition on an RDD could lead to incorrect answers It turns out to be a very complicated issue, there is no consensus about what is the right fix yet. Likely to miss it in Spark 2.4 because it's a long-standing issue, not a regression.
This is a really serious data loss bug. Yes its very complex, but we absolutely have to fix this, I really think it should be in 2.4.Has worked on it stopped?