[SERVER-85861] Stream processing instance out of memory when 6GB window is closed Created: 29/Jan/24  Updated: 29/Jan/24

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

Type: Bug Priority: Major - P3
Reporter: Matthew Normyle Assignee: Backlog - Atlas Streams
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Atlas Streams
Operating System: ALL
Participants:

 Description   

In this PR, I added a smoketest that creates a 6GB window.

Things work fine when the window is open, and the SP reports the expected stateSize. When the window is closed, the SP runs into "Stream processing instance out of memory".

We should understand where this memory spike comes from, it doesn't seem like it should be happening. We can likely re-create this using jstests against a local engine build.


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