[SERVER-45788] Add a performance workload for hedged reads against a sharded cluster Created: 27/Jan/20  Updated: 02/Apr/20  Resolved: 02/Apr/20

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

Type: Task Priority: Major - P3
Reporter: Misha Tyulenev Assignee: Cheahuychou Mao
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: PNG File cancel.png     PNG File cancel.png     PNG File not cancel.png     PNG File not cancel.png    
Sprint: Service Arch 2020-02-10, Service Arch 2020-02-24, Service Arch 2020-03-09, Service Arch 2020-03-23, Service Arch 2020-04-06
Participants:

 Description   

Stream in a steady amount of reads with read pref nearest, at no more than 10% of overall read capacity for any particular node.
Without, and then with, hedging on, measure p90, p95 and p99 latencies while secondaries are sporadically sigstopped.


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