[SERVER-23870] Add keysExamined/docsExamined in getMores for v3.2 Created: 22/Apr/16 Updated: 16/May/16 Resolved: 05/May/16 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Diagnostics, Querying |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Task | Priority: | Major - P3 |
| Reporter: | Ramon Fernandez Marina | Assignee: | Unassigned |
| Resolution: | Won't Fix | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Participants: |
| Description |
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The lack of keysExamined/docsExamined in getMores makes it more difficult to determine the efficiency of indexes beyond the first batch (numYields, nreturned, reslen don't provide the same sort of metrics). In a test environment, it might be possible to increase the batchSize of the initial find to see how efficient a query is. However, in a production environment, this is not generally viable. Opening a sub-task to consider adding keysExamined/docsExamined in getMores in the v3.2 branch. |
| Comments |
| Comment by Ramon Fernandez Marina [ 05/May/16 ] |
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keysExamined/docsExamined in getMores will be part of diagnostics information in 3.4. |