[DOCS-13429] Investigate changes in SERVER-46234: Remove the code for computing hedging delay and add maxTimeMSForHedgedReads serverParameter Created: 19/Feb/20  Updated: 13/Nov/23  Resolved: 05/Mar/20

Status: Closed
Project: Documentation
Component/s: manual
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: Kay Kim (Inactive)
Resolution: Fixed Votes: 0
Labels: docs-query
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Documented
documents SERVER-46234 Remove the code for computing hedging... Closed
Related
related to DOCS-13363 Investigate changes in SERVER-45439: ... Closed
related to DOCS-13375 Investigate changes in SERVER-45437: ... Closed
Participants:
Days since reply: 3 years, 48 weeks, 6 days ago
Epic Link: DOCS: 4.4 Server Release Work

 Description   

Description

Downstream Change Summary

We recently decided to always hedge immediately (never stagger) and set a configurable maxTimeMS on the hedged read. This ticket added support for "maxTimeMSForHedgedReads" runtime server parameter.

Description of Linked Ticket

We decided to never do staggering, so the related code should be removed. We now always hedge, immediately, and set a configurable maxTimeMS on the hedged read.

Scope of changes

Impact to Other Docs

MVP (Work and Date)

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



 Comments   
Comment by Githook User [ 05/Mar/20 ]

Author:

{'name': 'Kay Kim', 'username': 'kay-kim', 'email': 'kay.kim@10gen.com'}

Message: DOCS-13369,DOCS-13375,DOCS-13429, DOCS-13487 hedged reads for nearest, readHedgingMode param, maxTimeMSForHedgedReads, serverStatus hedging metrics
Branch: master
https://github.com/mongodb/docs/commit/76c7fddf7e3a41454f4f90c3c9b6226f641333e3

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