[SERVER-48252] Allow WriteConflictExceptions in 4.4/4.2 multiversion moveChunk concurrency tests Created: 15/May/20  Updated: 23/Jul/20  Resolved: 23/Jul/20

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

Type: Task Priority: Major - P3
Reporter: Blake Oler Assignee: Matthew Saltz (Inactive)
Resolution: Won't Do Votes: 0
Labels: sharding-wfbf-day
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: Sharding 2020-07-13, Sharding 2020-06-01, Sharding 2020-06-15, Sharding 2020-06-29, Sharding 2020-07-27
Participants:

 Description   

Iin FCV 4.2 the range deleter doesn't retry on WriteConflictExceptions. However, jstests (like the one linked) don't allow for these errors to crop up anymore, because in FCV 4.4 and newer, the range deleter retries on WriteConflictExceptions. We should allow WCEs when running on multiversion suites.


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