[SERVER-21069] Add ability to convert data files in place from MMAP to WiredTiger Created: 22/Oct/15  Updated: 06/Dec/22  Resolved: 15/Apr/19

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

Type: New Feature Priority: Major - P3
Reporter: Ricardo Lorenzo Assignee: Backlog - Storage Execution Team
Resolution: Won't Fix Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
Assigned Teams:
Storage Execution
Participants:

 Description   

As a workaround for SERVER-21068, it would be nice to have a mechanism for converting a single server from one storage engine format to another.



 Comments   
Comment by Daniel Pasette (Inactive) [ 23/Oct/15 ]

I've updated the summary/description to express the desired feature rather than the implementation details. There are currently workarounds, such as using mongodump/mongorestore or if enough storage capacity exists, syncing a new replica set member on the same node.

Comment by Scott Hernandez (Inactive) [ 22/Oct/15 ]

How do you see this working? Can you provide an example of what the syntax might be?

Also, why resuse "repair" for this when it seems more natural as an upgrade-storage, or convert-storage tool, imho?

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