Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1309#discussion_r15726394
--- Diff: core/src/main/scala/org/apache/spark/Accumulators.scala ---
@@ -91,6 +100,16 @@ class Accumulable[R, T] (
}
/**
+ * Function to customize printing values of this accumulator.
+ */
+ def prettyValue(_value: R) = s"$value"
--- End diff --
Shouldn't this be part of the AccumulableParam? Users can't subclass
Accumulable AFAIK, or at least they shouldn't be encouraged to. Same thing for
AccumulatorParam.
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