[SERVER-16845] Query execution stats tree unnecessarily serialized to BSON if find() query generates log line Created: 14/Jan/15  Updated: 18/Mar/15  Resolved: 18/Mar/15

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

Type: Bug Priority: Major - P3
Reporter: J Rassi Assignee: David Storch
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-17282 Implement find command on mongod Closed
Operating System: ALL
Participants:

 Description   

runQuery() makes a call to getStats() (which generates the stats tree as BSON) if the profiler is enabled /or/ if the query will generate a log line. However, only the profiler consumes the stats tree. This means that getStats() is unnecessarily called if the query will generate a log line and the profiler is disabled (which is quite a common case, and getStats() is extraordinarily expensive).



 Comments   
Comment by David Storch [ 18/Mar/15 ]

This work was completed under SERVER-17282 and pushed in 4049c8328c98d8e. Resolving as a duplicate.

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