[SERVER-23870] Add keysExamined/docsExamined in getMores for v3.2 Created: 22/Apr/16  Updated: 16/May/16  Resolved: 05/May/16

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

Type: Task Priority: Major - P3
Reporter: Ramon Fernandez Marina Assignee: Unassigned
Resolution: Won't Fix Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:

 Description   

The lack of keysExamined/docsExamined in getMores makes it more difficult to determine the efficiency of indexes beyond the first batch (numYields, nreturned, reslen don't provide the same sort of metrics). In a test environment, it might be possible to increase the batchSize of the initial find to see how efficient a query is. However, in a production environment, this is not generally viable.

Opening a sub-task to consider adding keysExamined/docsExamined in getMores in the v3.2 branch.



 Comments   
Comment by Ramon Fernandez Marina [ 05/May/16 ]

keysExamined/docsExamined in getMores will be part of diagnostics information in 3.4.

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