[SERVER-83405] Upgrade/Downgrade testing for $queryStats on a sharded cluster Created: 17/Nov/23  Updated: 23/Jan/24  Resolved: 23/Jan/24

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: Erin Zhu Assignee: Santiago Roche
Resolution: Fixed Votes: 0
Labels: flag-for-2885-backport
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-85096 TRACKING: M3 Correctness Tickets Closed
Related
is related to SERVER-80031 Feature Flag Upgrade/Downgrade Testing Closed
Assigned Teams:
Query Integration
Backwards Compatibility: Fully Compatible
Participants:

 Description   

It seems that using

assert.commandWorked(
    st.s.adminCommand({setFeatureCompatibilityVersion: lastLTSFCV, confirm: true}));

to downgrade doesn't keep $queryStats from working on a sharded cluster. See related ticket for what to test.



 Comments   
Comment by Githook User [ 19/Jan/24 ]

Author:

{'name': 'Santiago Roche', 'email': '69868136+sroches@users.noreply.github.com', 'username': 'sroches'}

Message: SERVER-83405: Add upgrade/downgrade testing for query stats on sharded cluster. (#18120)

GitOrigin-RevId: b843c80cce9a4ffe7f663553a2f0d6f92f6e2e1b
Branch: master
https://github.com/mongodb/mongo/commit/c690f1b0143a33cf3d426446f9c0a8e890424096

Comment by Charlie Swanson [ 20/Dec/23 ]

Punting this out of PM-2885 and leaving assigned to santiago.roche@mongodb.com to resolve. We are closing the epic since all customer-focused work is complete.

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