[DOCS-13446] Investigate changes in SERVER-46137: Implement ReplicaSetNodeProcessInterface methods needed for $merge Created: 24/Feb/20  Updated: 13/Nov/23  Resolved: 11/May/20

Status: Closed
Project: Documentation
Component/s: manual, Server
Affects Version/s: None
Fix Version/s: 4.3.4, 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: Unassigned
Resolution: Gone away Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Documented
documents SERVER-46137 Implement ReplicaSetNodeProcessInterf... Closed
Related
is related to DOCS-13479 Investigate changes in SERVER-45974: ... Closed
Participants:
Days since reply: 3 years, 50 weeks, 2 days ago
Epic Link: DOCS: 4.4 Server Release Work

 Description   

Description

Downstream Change Summary

If test commands are enabled, $merge can now be run against a secondary of a replica set. It runs the read part of the operation locally but targets any insert, update, or DDL operations to the replica set primary. No attempt is made to keep our view of the primary fresh during execution of the $merge. No attempt is made to recover if a stepdown occurs or the primary becomes unavailable during the course of the $merge. (In a later commit this will no longer be gated behind test commands, once the project is finished out).

Description of Linked Ticket

null

Scope of changes

Impact to Other Docs

MVP (Work and Date)

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


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