[SERVER-57473] Report number of spills to disk in explain for $setWindowFields Created: 04/Jun/21  Updated: 17/Aug/23

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

Type: Improvement Priority: Major - P3
Reporter: Nicholas Zolnierz Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 0
Labels: neweng
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Query Execution
Participants:

 Description   

This is largely inspired by SERVER-53303, where such a stat was added for the other stages that can spill ($group and $sort). Note that for window functions this would likely be the number of times that we write to the temporary record store, which may or may not be equivalent to the number of documents that get spilled.


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