[SERVER-16772] Eliminate redundant work in the update path Created: 08/Jan/15  Updated: 15/Jan/15  Resolved: 09/Jan/15

Status: Closed
Project: Core Server
Component/s: Write Ops
Affects Version/s: None
Fix Version/s: 2.8.0-rc5

Type: Improvement Priority: Major - P3
Reporter: Andrew Morrow (Inactive) Assignee: Andrew Morrow (Inactive)
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Participants:

 Description   

There are several places where in the update framework where we do work and then discard it, only to re-do that work again elsewhere, or where we do work that we know we cannot capitalize on later. We should emove these inefficiencies.



 Comments   
Comment by Githook User [ 08/Jan/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-16772 Don't attempt in-place when underlying storage has no support
Branch: master
https://github.com/mongodb/mongo/commit/f12f4f0e209d8a88b154e78ad17a00965cd465e4

Comment by Githook User [ 08/Jan/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-16772 Only examine indexes on update when necessary
Branch: master
https://github.com/mongodb/mongo/commit/10ca9ff64115ac020cb2301cc98c6d8ba9162dce

Comment by Githook User [ 08/Jan/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-16772 Don't look up _id twice
Branch: master
https://github.com/mongodb/mongo/commit/2273aaeb351be36f0f3a6e398f4df2602c564449

Comment by Githook User [ 08/Jan/15 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-16772 Don't re-acquire object in update
Branch: master
https://github.com/mongodb/mongo/commit/6a7bf01c38aaea4bb4fe5121186a6030cff3ea3c

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