[SERVER-20735] Store date of last use for each index Created: 02/Oct/15  Updated: 06/Apr/23  Resolved: 02/Oct/15

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

Type: New Feature Priority: Major - P3
Reporter: Scott Lowe Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-44432 Per index access stats Closed
Participants:

 Description   

It would be extremely helpful if there was some tracking built into mongodb, to show the date on which an index was last used in a query. This would help with removing old unused/obsolete indexes.



 Comments   
Comment by Scott Lowe [ 02/Oct/15 ]

Ah that's great. Thanks.

Comment by Stennie Steneker (Inactive) [ 02/Oct/15 ]

Hi,

Index usage stats have been added to the 3.1.8 development/unstable release as per SERVER-2227. The 3.1.x development series will culminate in the 3.2 production release.

For more information on some of the upcoming changes, please see the draft Release Notes for Development Series 3.1.x. Development/unstable releases are available from mongodb.org if you'd like to preview or test upcoming changes: https://www.mongodb.org/downloads#development.

Regards,
Stephen

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