[SERVER-38915] Investigate transaction performance degradation through mongos on LinkBench Created: 09/Jan/19  Updated: 26/Mar/19  Resolved: 26/Mar/19

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

Type: Task Priority: Major - P3
Reporter: Matthew Saltz (Inactive) Assignee: Matthew Saltz (Inactive)
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: Sharding 2019-02-11, Sharding 2019-02-25, Sharding 2019-03-11, Sharding 2019-03-25, Sharding 2019-04-08
Participants:

 Description   

Currently we're seeing a 30%-ish degradation in throughput when running single replica-set transactions through mongos vs. sending directly to the shard. This ticket is to verify that there is indeed a performance difference, and if so, to investigate the cause of the performance difference.


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