[SERVER-19748] investigate/improve $replData metadata access performance Created: 04/Aug/15  Updated: 10/Nov/15  Resolved: 10/Nov/15

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

Type: Improvement Priority: Major - P3
Reporter: Eric Milkie Assignee: Benety Goh
Resolution: Incomplete Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: RPL A (10/09/15), Repl B (10/30/15), Repl C (11/20/15)
Participants:

 Description   

Currently, adding the repl metadata to any command requires access into the topology coordinator, which might be a significant performance penalty. Need to investigate moving the data it needs into the replCoord, or splitting up the data so that you need to request the more expensive data items explicitly (such as the current primary id).


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