avantgardnerio commented on code in PR #2038:
URL:
https://github.com/apache/datafusion-ballista/pull/2038#discussion_r3582572191
##########
ballista/core/src/execution_plans/sort_shuffle/writer.rs:
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@@ -195,182 +289,286 @@ impl SortShuffleWriterExec {
.partition_count()
}
- /// Execute the sort-based shuffle write for a single input partition.
+ /// Executes the sort-based shuffle write for this task.
+ ///
+ /// One pipeline per input partition of the
(scheduler-side-shrink-restricted)
Review Comment:
Correct. Say previously 16 input partitions = 16 datafusion session contexts
(tasks), producing 16 output files
Proposed: 16 input partitions, 1 task, 16 output files
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