[SERVER-82481] Streams: WindowAwareGroupOperator save and restore state Created: 26/Oct/23  Updated: 04/Dec/23  Resolved: 04/Dec/23

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 7.3.0-rc0

Type: Task Priority: Major - P3
Reporter: Matthew Normyle Assignee: Harendra Chawla
Resolution: Fixed Votes: 0
Labels: init-337-m3
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Atlas Streams
Backwards Compatibility: Fully Compatible
Sprint: Sprint 35, Sprint 36, Sprint 37
Participants:

 Description   

See here in the design document:

https://docs.google.com/document/d/1hyafrsPj0iuYFu2dm0ziGttkzE_GKbrQHRPsN81kYds/edit#heading=h.34gf9rx1vabj

Make the changes in this class:

https://github.com/10gen/mongo-enterprise-modules/blob/master/src/streams/exec/window_aware_group_operator.cpp

Example in unit tests: https://github.com/10gen/mongo-enterprise-modules/blob/master/src/streams/exec/tests/window_aware_operator_test.cpp#L493

Take a look at this proof of concept:

https://github.com/10gen/mongo-enterprise-modules/blob/streams/checkpointhackathon/src/streams/exec/group_operator.cpp#L127

 


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