Hello,
I am seeing negative values for accumulators. Here's my implementation in a
standalone app in Spark 1.1.1rc:
implicit object BigIntAccumulatorParam extends AccumulatorParam[BigInt] {
def addInPlace(t1: Int, t2: BigInt) = BigInt(t1) + t2
def addInPlace(t1: BigInt, t2: BigInt) = t1 + t2
def zero(initialValue: BigInt) = BigInt(0)
}
val capped_numpings_accu = sc.accumulator(BigInt(0))(BigIntAccumulatorParam)
myRDD.foreach(x=>{ capped_numpings_accu+=BigInt(x._1).min(threshold_var)})
When I remove the min() condition, I no longer see negative values.
Thanks!
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