[SERVER-9723] Enhance mapReduce to use all cores for a single mapReduce job Created: 17/May/13 Updated: 17/May/13 Resolved: 17/May/13 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | MapReduce |
| Affects Version/s: | 2.4.3 |
| Fix Version/s: | None |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | Chad Tindel | Assignee: | Unassigned |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Description |
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Right now a single mapReduce job will use only one core on a mongod instance, but if the system has 4 cores we could be breaking the document set into 4 smaller sets and passing each of those into a separate v8 thread. |
| Comments |
| Comment by Scott Hernandez (Inactive) [ 17/May/13 ] |
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dup of |