[SERVER-3602] Add fast-path for migrating empty chunks Created: 15/Aug/11 Updated: 11/Jul/16 Resolved: 20/Nov/12 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Sharding |
| Affects Version/s: | None |
| Fix Version/s: | 2.3.1 |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | Mathias Stearn | Assignee: | Kevin Matulef |
| 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 | ||||||||||||
| Participants: | |||||||||||||
| Description |
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Curently sleep for a second on every moveChunk which significantly slows down presplitting. For example, to split into 4096 chunks will take about 75 minutes. Related forum thread: http://groups.google.com/group/mongodb-user/browse_thread/thread/7530e8896da419e6 |
| Comments |
| Comment by Eliot Horowitz (Inactive) [ 21/Dec/12 ] |
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This is a small code change, but a huge semantic change. |
| Comment by auto [ 19/Nov/12 ] |
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Author: {u'date': u'2012-11-19T02:30:43Z', u'email': u'matulef@gmail.com', u'name': u'Kevin Matulef'}Message: |
| Comment by auto [ 16/Nov/12 ] |
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Author: {u'date': u'2012-11-16T00:31:27Z', u'name': u'Kevin Matulef', u'email': u'matulef@gmail.com'}Message: |