[SERVER-58066] When creating a capped collection of smaller size, which documents are removed Created: 24/Jun/21  Updated: 29/Jun/21  Resolved: 29/Jun/21

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

Type: Question Priority: Major - P3
Reporter: Puya Daravi Assignee: Dmitry Agranat
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:

 Description   

When creating a capped collection of smaller size, which documents are removed? I think the logical behavior would be to remove the oldest documents. Is this how the `toCappedCollection` or `cloneCollectionAsCapped` behave? Are there any guarantees?



 Comments   
Comment by Dmitry Agranat [ 29/Jun/21 ]

Hi puya@motionmetrics.com,

The SERVER project is for bugs and feature suggestions for the MongoDB server. For this question, we'd like to encourage you to start by asking our community for help by posting on the MongoDB Developer Community Forums.

If the discussion there leads you to suspect a bug in the MongoDB server, then we'd want to discuss it here in the SERVER project.

Thanks,
Dima

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