Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/10368#discussion_r48371027 --- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala --- @@ -46,6 +46,26 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, var accumUpdates: Map[Long def this() = this(null.asInstanceOf[ByteBuffer], null, null) + override def toString: String = valueBytes.toString + " " + accumUpdates + " " + metrics + + override def equals(other: Any): Boolean = other match { + case that: DirectTaskResult[_] => { + if (!this.valueBytes.equals(that.valueBytes)) return false + + val accumSize = if (accumUpdates != null) accumUpdates.size else 0 + val thatAccumSize = if (that.accumUpdates != null) that.accumUpdates.size else 0 + if (accumSize != thatAccumSize) return false + if (accumSize > 0) { + val b = this.accumUpdates.keys.forall { key => + this.accumUpdates.get(key) == that.accumUpdates.get(key) + } + if (!b) return false; + } + this.metrics.equals(that.metrics) + } --- End diff -- similarly, this can be simplified ``` val accumEquals = if (accumUpdates != null) { accumUpdates.keys.forall { k => accumUpdates.get(k) == that.accumUpdates.get(k) } } else { that.accumUpdates == null } valueBytes.equals(that.valueBytes) && metrics.equals(that.metrics) && accumEquals ```
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