[MCOL-5397] Disk-based aggregation delivers a wrong number of groups Created: 2023-01-20 Updated: 2023-07-31 Resolved: 2023-07-25 |
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| Status: | Closed |
| Project: | MariaDB ColumnStore |
| Component/s: | ExeMgr, PrimProc |
| Affects Version/s: | 6.4.6, 22.08.7 |
| Fix Version/s: | 22.08.8 |
| Type: | Bug | Priority: | Major |
| Reporter: | Roman | Assignee: | Roman |
| Resolution: | Fixed | Votes: | 1 |
| Labels: | None | ||
| Description |
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It was proved that disk-based aggregation delivers more unique groups for dictionary columns if there is more than 30 blns of records. The potential points of failure are:
The customer's DDL and data set will be on S3. |