Time the task spent waiting for remote shuffle blocks.
Time the task spent waiting for remote shuffle blocks. This only includes the time blocking on shuffle input data. For instance if block B is being fetched while the task is still not finished processing block A, it is not considered to be blocking on block B.
Number of local blocks fetched in this shuffle by this task
Number of remote blocks fetched in this shuffle by this task
Total number of remote bytes read from the shuffle by this task
Number of blocks fetched in this shuffle by this task (remote or local)
:: DeveloperApi :: Metrics pertaining to shuffle data read in a given task.