[DOCS-13562] MongoDB 4.0/4.2 docs incorrect with respect to reading while oplog batches being applied Created: 02/Apr/20  Updated: 30/Oct/23  Due: 03/Apr/20  Resolved: 02/Apr/20

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

Type: Bug Priority: Major - P3
Reporter: Matthew Thompson Assignee: Andrew Feierabend (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Participants:
Days since reply: 3 years, 44 weeks, 6 days ago
Epic Link: DOCSP-1769

 Description   

Description

The following two pages (both 4.0 and 4.2 versions) state that secondary reads are blocked while oplog batches are being applied:

  1. https://docs.mongodb.com/manual/core/replica-set-sync/#replication
  2. https://docs.mongodb.com/v4.0/faq/concurrency/#how-does-concurrency-affect-secondaries

My understanding is that behaviour changed in MongoDB 4.0.

Can someone please confirm and update those pages if they are no longer correct?

Scope of changes

Impact to Other Docs

MVP (Work and Date)

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



 Comments   
Comment by Githook User [ 02/Apr/20 ]

Author:

{'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}

Message: DOCS-13562 correct secondary reads no longer blocking FAQ
Branch: v4.0
https://github.com/mongodb/docs/commit/2e332268c22017ffd183c1d382cabccb45ea7555

Comment by Githook User [ 02/Apr/20 ]

Author:

{'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}

Message: DOCS-13562 correct secondary reads no longer blocking FAQ
Branch: v4.2
https://github.com/mongodb/docs/commit/729f4f1caf84564bf4f5933ec560fd5eae2268f7

Comment by Githook User [ 02/Apr/20 ]

Author:

{'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}

Message: DOCS-13562 correct secondary reads no longer blocking FAQ
Branch: master
https://github.com/mongodb/docs/commit/2dc1409c25a8891435e994e633fc64ef7fe1cd39

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