[SERVER-20400] collStats() should support readConcern majority Created: 14/Sep/15  Updated: 06/Dec/22  Resolved: 15/Apr/19

Status: Closed
Project: Core Server
Component/s: Replication
Affects Version/s: 3.1.7
Fix Version/s: None

Type: New Feature Priority: Major - P3
Reporter: Michael Grundy Assignee: Backlog - Storage Execution Team
Resolution: Won't Fix Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Storage Execution
Participants:

 Description   

collStats() doesn't currently support readConcern majority because the stats aren't stored in the snapshots.

Considering the document count for the collection, the storage size and the number of indexes are returned by collStats(), those numbers should reflect the majority if requested.



 Comments   
Comment by Eric Milkie [ 30/Sep/15 ]

I think it means collect the collStats at snapshot time and store them as snapshots are stored; then retrieve the stored stats if the user requests read concern level majority.

Comment by Scott Hernandez (Inactive) [ 14/Sep/15 ]

What do you mean by "reflect the majority"? Can you please give an example of what the output is under what conditions?

Do you mean we should count the documents in the snapshot, one by one, for example?

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