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Type: Bug
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- sp-theme-cancellation

Assigned Teams:

Server Programmability
Operating System:
ALL
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

Child tasks don't release resources. Details in ~~SERVER-135020~~, for a specific case of exhaust commands. We fixed this by restructuring the exhaust reader behavior, but any CancellationSource chaining would be susceptible.

causes

SERVER-135020 Memory leak: per-response CancellationSource child states accumulate unboundedly on long-lived parent tokens in exhaust command readers (ExhaustResponseReaderTL / AsyncDBClient::_withCancellation)

Closed

is related to

SERVER-92236 Chunk migrations should use short lived cancellation sources

Closed

Assignee:: Unassigned
Reporter:: Billy Donahue
Participants:: Billy Donahue
Votes:: 0 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: Oct 29 2026 06:05:00 PM UTC
Updated:: Nov 03 2026 07:39:02 PM UTC

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PagerDuty