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    Type:Improvement 
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    Resolution: Done
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    Priority:Major - P3 
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    Affects Version/s: 3.3.3
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    Component/s: Diagnostics, Querying
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        Major Change
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        Query 13 (04/22/16), Query 14 (05/13/16)
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Adding, updating and removing index entries can be an expensive part of any write operation, especially when a large # of index entries are involved. We should track this cost (at a minimum, a count of the # of changes performed) and record in both the profiler and in slow operation diagnostic logging.
- is depended on by
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                    SERVER-23272 Remove misleading/not useful diagnostic metrics -         
- Closed
 
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- is related to
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                    SERVER-23861 Add keysInserted & keysDeleted to serverStatus -         
- Backlog
 
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- related to
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                    SERVER-23081 keyUpdates not set on MMAPv1 document move -         
- Closed
 
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