[DOCS-13622] Investigate changes in SERVER-47577: readConcernCounters metric in serverStatus Created: 29/Apr/20  Updated: 13/Nov/23  Resolved: 18/Dec/20

Status: Closed
Project: Documentation
Component/s: manual, Server
Affects Version/s: None
Fix Version/s: 4.7.0, Server_Docs_20231030, Server_Docs_20231106, Server_Docs_20231105, Server_Docs_20231113

Type: Task Priority: Major - P3
Reporter: Backlog - Core Eng Program Management Team Assignee: Jason Price
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Documented
documents SERVER-47577 readConcernCounters metric in serverS... Closed
Participants:
Days since reply: 3 years, 7 weeks, 5 days ago
Epic Link: DOCSP-9747
Story Points: 3

 Description   

Description

Downstream Change Summary

Removed opReadConcernCounters from serverStatus.
Added a new metric readConcernCounters in serverStatus to track readConcern usages for reads.
readConcernCounters.nonTransactionOps tracks readConcern for reads outside of transactions.
readConcernCounters.transactionOps tracks readConcern for reads inside transactions.
snapshot.withoutClusterTime tracks usages of readConcern: {level: "snapshot"}.
snapshot.withClusterTime tracks usages of readConcern: {level: "snapshot", atClusterTime: ...} (i.e. readConcern snapshot with a user specified point in time).
See the server ticket for all the fields in the document.

Description of Linked Ticket

"readConcernCounters": {
   "nonTransactionOps": {
       "none": NumberLong(<num>),
       "local": NumberLong(<num>),
       "available": NumberLong(<num>),
       "majority": NumberLong(<num>),
       "linearizable": NumberLong(<num>),
       "snapshot": {
           "withClusterTime": NumberLong(<num>),
           "withoutClusterTime": NumberLong(<num>),
        },       
   },
   "transactionOps": {
       "none": NumberLong(<num>),
       "local": NumberLong(<num>),
       "majority": NumberLong(<num>),
       "snapshot": {
           "withClusterTime": NumberLong(<num>),
           "withoutClusterTime": NumberLong(<num>),
        },       
   }
}

Scope of changes

Impact to Other Docs

MVP (Work and Date)

Resources (Scope or Design Docs, Invision, etc.)



 Comments   
Comment by Githook User [ 18/Dec/20 ]

Author:

{'name': 'Jason Price', 'email': 'jason.price@mongodb.com', 'username': 'jason-price-mongodb'}

Message: DOCS-13622 readConcernCounters metric in serverStatus
Branch: v5.0
https://github.com/mongodb/docs/commit/50b7641d05faecf6845df21132570adc40c6f4de

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