trait ShuffleMetricsUpdater extends AnyRef
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abstract
def
update(fetchWaitTimeInMs: Long, remoteBlocksFetched: Long, remoteBytesRead: Long, rowsFetched: Long): Unit
Trait used as a way to expose the
ShuffleReadMetricsReporterto the iterator.Trait used as a way to expose the
ShuffleReadMetricsReporterto the iterator.- fetchWaitTimeInMs
this matches the CPU name (except for the units) but it is actually the aggreagate amount of time a task is blocked, not working on anything, waiting for data.
- remoteBlocksFetched
aggregate of number of
ShuffleBlockIds fetched.- remoteBytesRead
aggregate size of all contiguous buffers received
- rowsFetched
aggregate of number of rows received
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