[SERVER-66601] Extend the $group stage builder so that it can generate parallel plan Created: 19/May/22  Updated: 06/Jul/22  Resolved: 06/Jul/22

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Yoon Soo Kim Assignee: Yoon Soo Kim
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: QE 2022-07-11
Participants:

 Description   

Sub items:

  • Implement merging logic in the SBE accumulators
  • Extend the $group stage builder so that it generate parallel plan like Global HashAgg - Exchange(merge) - Local HashAgg.

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