[SERVER-10566] performance pass: idhack, findingStartCursor, other profiling and opt Created: 19/Aug/13  Updated: 02/Aug/18  Resolved: 20/Dec/13

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 2.5.5

Type: Task Priority: Major - P3
Reporter: hari.khalsa@10gen.com Assignee: hari.khalsa@10gen.com
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-12136 scanAndOrder doesn't appear in profil... Closed
Participants:

 Comments   
Comment by Githook User [ 26/Nov/13 ]

Author:

{u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}

Message: SERVER-10566 Inline MatchableDocument destructor

Allows subclasses to see that it is a no-op and avoid a function call.
Branch: master
https://github.com/mongodb/mongo/commit/37ff0bf3149d92704186147904219b062f95506b

Comment by Githook User [ 22/Nov/13 ]

Author:

{u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}

Message: SERVER-10566 Don't use modulus in ElapsedTracker
Branch: master
https://github.com/mongodb/mongo/commit/f267bf1ff81e02185ef2a316aefa31c6459234f9

Comment by Githook User [ 22/Nov/13 ]

Author:

{u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}

Message: SERVER-10566 WorkingSet cleanup and optimization

Changes:

  • Documented some contracts
  • Marked noncopyable classes as such
  • Changed WorkingSetID to size_t from long
  • Inlined WorkingSet::get since it is simple and very hot
  • WorkingSetMembers are now pooled and reused
  • Stopped using unordered_(map|set)
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