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.
Shuffle data that was read from the local disk (as opposed to from a remote executor).
Total number of records read from the 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).
Total bytes fetched in the shuffle by this task (both remote and local).
:: DeveloperApi :: A collection of accumulators that represent metrics about reading shuffle data. Operations are not thread-safe.