[SERVER-17745] Improve dirty page estimation in mmapv1 on Windows Created: 25/Mar/15 Updated: 18/Sep/15 Resolved: 09/Apr/15 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Storage |
| Affects Version/s: | None |
| Fix Version/s: | 3.0.3, 3.1.1 |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | Andy Schwerin | Assignee: | Mark Benvenuto |
| Resolution: | Done | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||
| Backport Completed: | |||||||||
| Sprint: | Platform 1 04/03/15 | ||||||||
| Participants: | |||||||||
| Description |
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On Windows, the mmapv1 storage engine underestimates the number of dirty pages. VirtualProtect failures, as in |
| Comments |
| Comment by Githook User [ 17/Apr/15 ] | |
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Author: {u'username': u'markbenvenuto', u'name': u'Mark Benvenuto', u'email': u'mark.benvenuto@mongodb.com'}Message: (cherry picked from commit fe358a4fd67fc48188eb062ae026001ff74082e9) | |
| Comment by Githook User [ 03/Apr/15 ] | |
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Author: {u'username': u'markbenvenuto', u'name': u'Mark Benvenuto', u'email': u'mark.benvenuto@mongodb.com'}Message: | |
| Comment by Mark Benvenuto [ 31/Mar/15 ] | |
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There are two ways interesting measures for an application on Windows:
I have validated these APIs work as expected under Windows 8.1, Windows 2008 R2 (7), and Windows 2008 (Vista). We do need to set:
for the pre-Windows 7 build of mongodb though. |