[SERVER-16444] Avoid copying data out of WT buffers during tables scans Created: 05/Dec/14 Updated: 01/Oct/15 Resolved: 25/Aug/15 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Performance, Storage |
| Affects Version/s: | None |
| Fix Version/s: | 3.1.8 |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | Mathias Stearn | Assignee: | Max Hirschhorn |
| Resolution: | Done | Votes: | 1 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Minor Change | ||||||||||||||||||||||||||||||||||||
| Sprint: | Quint Iteration 7, QuInt 8 08/28/15 | ||||||||||||||||||||||||||||||||||||
| Participants: | |||||||||||||||||||||||||||||||||||||
| Linked BF Score: | 0 | ||||||||||||||||||||||||||||||||||||
| Comments |
| Comment by Githook User [ 27/Aug/15 ] |
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Author: {u'username': u'visemet', u'name': u'Max Hirschhorn', u'email': u'max.hirschhorn@mongodb.com'}Message: Resolves the performance regression with mmapv1 introduced by 764e0c4 Partially reverted changes to DeleteStage and UpdateStage because the |
| Comment by Githook User [ 25/Aug/15 ] |
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Author: {u'username': u'visemet', u'name': u'Max Hirschhorn', u'email': u'max.hirschhorn@mongodb.com'}Message: |
| Comment by Githook User [ 25/Aug/15 ] |
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Author: {u'username': u'visemet', u'name': u'Max Hirschhorn', u'email': u'max.hirschhorn@mongodb.com'}Message: A WorkingSetMember in the LOC_AND_OBJ state must be made owned when: 1. Its WorkingSetID is cached across multiple calls to work(). 2. Multiple calls to next(), seekExact(), saveState(), etc. are No longer necessary to always copy data out of WiredTiger buffers. |
| Comment by Githook User [ 25/Aug/15 ] |
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Author: {u'username': u'visemet', u'name': u'Max Hirschhorn', u'email': u'max.hirschhorn@mongodb.com'}Message: Enable the UpdateStage to perform an in-place update regardless of Change updateWithDamagesSupported() to return true for the |
| Comment by Githook User [ 29/Jun/15 ] |
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Author: {u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}Message: Fixes a bug introduced by |
| Comment by J Rassi [ 25/Jun/15 ] |
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Per discussion with Mathias, the work remaining on this ticket is:
Tentatively assigning to david.storch for 3.1.6; let's finalize the scheduling of this during the planning meeting on Monday. |
| Comment by Githook User [ 09/Jun/15 ] |
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Author: {u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}Message: |
| Comment by Githook User [ 09/Jun/15 ] |
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Author: {u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}Message: Better reflects it's purpose and avoids using the valuable name Record for an |