Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/10835#issuecomment-175892453
I have compiled a list of breaking `@DeveloperAPI` changes:
ExceptionFailure:
- changed: `apply`, `unapply`, `copy`
- removed: old constructor
- deprecated: `metrics`
InputMetrics:
- removed: old constructor, all case class methods, `updateBytesRead`,
`setBytesReadCallback`, `var bytesReadCallback`
- deprecated: `apply`, `unapply`, `incBytesRead`, `incRecordsRead`
OutputMetrics:
- removed: old constructor, all case class methods
- deprecated: `apply`, `unapply`
ShuffleReadMetrics:
- removed: old constructor
ShuffleWriteMetrics:
- removed: old constructor
TaskMetrics:
- changed: `accumulatorUpdates` return type (Map[Long, Any] ->
Seq[AccumulableInfo])
- removed: `hostname`
- deprecated: `var updatedBlocks`, set `var outputMetrics`, set `var
shuffleWriteMetrics`
AccumulableInfo:
- changed: `update` type (Option[String] -> Option[Any]), `value` type
(String -> Option[Any]), `name` type (String -> Option[String])
- removed: `internal`
- deprecated: all existing `apply` methods
SparkListenerTaskEnd:
- changed: `taskMetrics` is now @Nullable
SparkListenerExecutorMetricsUpdate:
- changed: `apply`, `unapply`, `copy`
- removed: old constructor, `taskMetrics`
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