[DOCS-14695] [SERVER] Recommend delayed secondaries are non-voting and hidden Created: 31/Jul/21  Updated: 30/Oct/23  Resolved: 20/Sep/21

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

Type: Improvement Priority: Major - P3
Reporter: Stennie Steneker (Inactive) Assignee: Ian Fogelman
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
is related to DOCS-12171 Add clarification on voting members t... Closed
Participants:
Days since reply: 2 years, 20 weeks, 2 days ago
Epic Link: DOCSP-11701
Story Points: 7

 Description   

DOCS-12171 added clarification that delayed secondaries can ack write concern, but we should also include the recommendation that delayed secondaries should be non-voting and hidden.

A PSD replica set with a voting delayed secondary degraded to PD will be problematic if majority write or read concerns are used, because the majority commit point can only advance after replication to the delayed secondary.

I think the wording of "Should be hidden members" could also be stronger. This is closer to a Must outside of esoteric use cases.



 Comments   
Comment by Githook User [ 20/Sep/21 ]

Author:

{'name': 'ianf-mongodb', 'email': '85948430+ianf-mongodb@users.noreply.github.com', 'username': 'ianf-mongodb'}

Message: DOCS-14695-Upgrading language strength with regards to hidden delayed… (#5791)

  • DOCS-14695-Upgrading language strength with regards to hidden delayed members
Comment by Githook User [ 20/Sep/21 ]

Author:

{'name': 'ianf-mongodb', 'email': '85948430+ianf-mongodb@users.noreply.github.com', 'username': 'ianf-mongodb'}

Message: DOCS-14695-Upgrading language strength with regards to hidden delayed… (#5790)

  • DOCS-14695-Upgrading language strength with regards to hidden delayed members
Comment by Githook User [ 20/Sep/21 ]

Author:

{'name': 'ianf-mongodb', 'email': '85948430+ianf-mongodb@users.noreply.github.com', 'username': 'ianf-mongodb'}

Message: DOCS-14695-Upgrading language strength with regards to hidden delayed… (#5789)

  • DOCS-14695-Upgrading language strength with regards to hidden delayed members
Comment by Githook User [ 20/Sep/21 ]

Author:

{'name': 'ianf-mongodb', 'email': '85948430+ianf-mongodb@users.noreply.github.com', 'username': 'ianf-mongodb'}

Message: DOCS-14695-Upgrading language strength with regards to hidden delayed… (#5788)

  • DOCS-14695-Upgrading language strength with regards to hidden delayed members
Comment by Githook User [ 20/Sep/21 ]

Author:

{'name': 'ian fogelman', 'email': 'ian.fogelman@mongodb.com', 'username': 'ianf-mongodb'}

Message: DOCS-14695-Upgrading language strength with regards to hidden delayed members
Branch: master
https://github.com/mongodb/docs/commit/959a69fb44924aa3d8859a3ebaab7d138a676501

Comment by Stennie Steneker (Inactive) [ 31/Jul/21 ]

Related discussion: https://www.mongodb.com/community/forums/t/connecting-to-local-replica-set-on-macos-from-dockerized-node-js-app/117446/4?u=stennie

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