[DOCS-13605] Investigate changes in SERVER-41455: Support running $out or $merge from a secondary with writes to the primary Created: 20/Apr/20  Updated: 13/Nov/23  Resolved: 21/Apr/20

Status: Closed
Project: Documentation
Component/s: manual, Server
Affects Version/s: None
Fix Version/s: 4.4.0-rc0, 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: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on DRIVERS-868 Support running $out or $merge from a... Closed
Documented
documents SERVER-41455 Support running $out or $merge from a... Closed
Duplicate
duplicates DOCS-13479 Investigate changes in SERVER-45974: ... Closed
Participants:
Days since reply: 3 years, 42 weeks, 2 days ago
Epic Link: DOCSP-9747

 Description   

Description

Downstream Change Summary

The downstream impact of this change was likely already considered as part of PM-1770, but I'm marking this as having downstream impact for completeness. Drivers need to do work to expose this feature to applications, but I believe that this work has been deferred until the 4.6 compatible driver releases. The feature should be documented, but I believe we are waiting to document it until driver support lands.

Description of Linked Ticket

It should be possible to perform reads from a secondary node and send the writes to the primary. If the read part of a pipeline is expensive but the write is not so expensive, this could help decrease load on the primary.

Scope of changes

Impact to Other Docs

MVP (Work and Date)

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


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