[SERVER-39204] Set collection minimumVisibleSnapshot for FCV 4.0 background builds Created: 25/Jan/19  Updated: 27/Oct/23  Resolved: 12/Feb/19

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

Type: Bug Priority: Major - P3
Reporter: Louis Williams Assignee: Louis Williams
Resolution: Gone away Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Operating System: ALL
Sprint: Storage NYC 2019-03-25
Participants:

 Description   

By inspection I found this bug where we only set the collection minimumVisibleSnapshot on a collection if the build mode is hybrid, but not old-style background. This is only a bug on FCV 4.0 mongod.

https://github.com/mongodb/mongo/blob/cb7c8ceba4bf7d6007a250799bfa35c129dd3e58/src/mongo/db/catalog/index_build_block.cpp#L97



 Comments   
Comment by Louis Williams [ 12/Feb/19 ]

Fixed by SERVER-3764 in this commit

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