[MCOL-4071] First columnstore query is delayed by 20 seconds after MCS restarts and MDB doesn't Created: 2020-06-16 Updated: 2021-04-16 Resolved: 2021-04-16 |
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| Status: | Closed |
| Project: | MariaDB ColumnStore |
| Component/s: | None |
| Affects Version/s: | 5.4.3 |
| Fix Version/s: | 5.6.1, 6.1.1 |
| Type: | Bug | Priority: | Critical |
| Reporter: | Roman | Assignee: | Daniel Lee (Inactive) |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Issue Links: |
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| Epic Link: | Columnstore OAM replacement | ||||||||
| Sprint: | 2021-2, 2021-5, 2021-6 | ||||||||
| Comments |
| Comment by Roman [ 2021-01-27 ] |
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Plz review. |
| Comment by Roman [ 2021-01-27 ] |
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4QA To test the fix one should restart MCS w/o restarting MDB and run simple select, update, delete statements. The delay running the first query after MCS restart w/o the patch is exactly 20 seconds. The fixed version doesn't have this shortage. |
| Comment by Daniel Lee (Inactive) [ 2021-04-16 ] |
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Builds verified: 5.6.1 (Drone #2191), 6.1.1 (Drone #2193) Reproduced the issue in 5.5.2 and verified the fix in the above builds. |