[SERVER-67142] Add heuristic for avoiding column store when the row store fallback is used often Created: 08/Jun/22 Updated: 22/Aug/22 Resolved: 22/Aug/22 |
|
| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Task | Priority: | Major - P3 |
| Reporter: | Ian Boros | Assignee: | Ian Boros |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
|
||||||||
| Participants: | |||||||||
| Description |
|
If the column index stage ends up reading from the row store a significant amount of the time, we should stop trying to read from the column index. In this POC this was done in "batches" so that after each batch, we would try using the column index again. |