[MCOL-1507] ExeMgr over using memory causing swap and system restarts to occur Created: 2018-06-26 Updated: 2020-08-25 Resolved: 2018-11-05 |
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| Status: | Closed |
| Project: | MariaDB ColumnStore |
| Component/s: | ExeMgr |
| Affects Version/s: | 1.1.5 |
| Fix Version/s: | 1.1.7 |
| Type: | Bug | Priority: | Major |
| Reporter: | David Hill (Inactive) | Assignee: | Andrew Hutchings (Inactive) |
| Resolution: | Duplicate | Votes: | 2 |
| Labels: | None | ||
| Environment: |
1um 2pm system |
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| Issue Links: |
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| Sprint: | 2018-13, 2018-14, 2018-15, 2018-16, 2018-17, 2018-18, 2018-19, 2018-20 | ||||||||
| Description |
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Customer reporting that ExeMgr is going way over its TotalUmMemory seeing of 50% to the point that its hitting swap space and a system restart is occurring.. Issue maybe related to how ExeMgr handles ByteStream err: Jun 25 17:47:24 usfit-sctst2 ServerMonitor[5993]: 24.937868 |0|0|0| C 09 CAL0000: Swap Space usage over Major threashold, perform OAM command restartSystem debug : Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.593575 |0|0|0| I 09 CAL0000: Local Memory above Critical Memory threshold with a percentage of 90 ; Swap 0 |
| Comments |
| Comment by Andrew Hutchings (Inactive) [ 2018-06-26 ] |
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Issue is ByteStream for the output is growing to fulfil the entire result set and doesn't shrink again until the end of the query. |
| Comment by Andrew Hutchings (Inactive) [ 2018-11-05 ] |
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Duplicate of |