[SERVER-40367] Use lastCommitted and applied wall clock times to calculate replication lag Created: 28/Mar/19  Updated: 29/Oct/23  Resolved: 22/Apr/19

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 4.1.11

Type: Task Priority: Major - P3
Reporter: Maria van Keulen Assignee: Maria van Keulen
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Sprint: Storage NYC 2019-04-22
Participants:

 Description   

Currently, replication lag for Flow Control is calculated using OpTimes. SERVER-40078 and SERVER-40080 will allow replication lag to be calculated in milliseconds granularity using wall clock times. SERVER-40078 will introduce a dependency on FCV, so the Flow Control algorithm will also have to be gated on FCV.



 Comments   
Comment by Githook User [ 22/Apr/19 ]

Author:

{'email': 'maria@mongodb.com', 'name': 'Maria van Keulen', 'username': 'mvankeulen94'}

Message: SERVER-40367 Calculate Flow Control repl lag with wall clock times
Branch: master
https://github.com/mongodb/mongo/commit/03dada404f6d301c72cf2148c6b27b0e625e043d

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