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Type: Bug
Resolution: Gone away
Priority: Major - P3
Fix Version/s: None
Affects Version/s: 8.0.0, 8.2.0
Component/s: None
Labels:
None

Assigned Teams:

Catalog and Routing
Operating System:
ALL
Sprint:
CAR Team 2026-02-02, CAR Team 2026-02-16
Story Points:
2
CAR Domain/s:

🟩 Routing and Topology

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

When the profiler is enabled on a database, a collection DBNAME.system.profile is created on single shards. Given that the collection is local, it is not considered movable via moveCollection nor via movePrimary.

When transitioning to dedicated config server, collections/databases are moved off via moveCollection/movePrimary and then this check makes sure that no collection on user databases is still containing data.

Since the profiling collection is always skipped, transitioning to dedicated may fail because of that.

is duplicated by

SERVER-115715 Unreplicated collections are checked as part of removeShard

Closed

is related to

SERVER-119489 Investigate the validity of using isLegalClientSystemNS in movePrimary

Open

SERVER-103990 Skip range deletions when transitioning from embedded to dedicated config servers

Closed

Assignee:: Wolfee Farkas
Reporter:: Pierlauro Sciarelli
Participants:: Pierlauro Sciarelli, Wolfee Farkas
Votes:: 0 Vote for this issue
Watchers:: 4 Start watching this issue

Created:: Dec 18 2025 05:14:17 PM UTC
Updated:: Feb 11 2026 02:50:53 PM UTC
Resolved:: Feb 11 2026 02:50:51 PM UTC

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