[MDEV-6084] memory usage does not match the OS Created: 2014-04-13 Updated: 2014-05-22 Due: 2014-05-04 Resolved: 2014-05-22 |
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| Status: | Closed |
| Project: | MariaDB Server |
| Component/s: | None |
| Affects Version/s: | 5.5.36-galera |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major |
| Reporter: | Philip orleans | Assignee: | Unassigned |
| Resolution: | Incomplete | Votes: | 0 |
| Labels: | innodb, memory, usage | ||
| Environment: |
2.6.32-431.11.2.el6.x86_64, scientific linux |
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| Attachments: |
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| Description |
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I am using INNODB, and have assigned 48GB of large pages to the engine
But my OS is telling me that mariadb is using 70 GB
The question is, where are the other 20 Gb being used? |
| Comments |
| Comment by Sergei Golubchik [ 2014-04-14 ] |
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There are many reasons why a memory could be allocated. And show variables is not the only way to examine that. See, for example, |
| Comment by Philip orleans [ 2014-04-14 ] |
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Show status output |
| Comment by Philip orleans [ 2014-04-14 ] |
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machine out-of-memory error |
| Comment by Philip orleans [ 2014-04-14 ] |
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I uploaded the output of "show status". Also, the machine threw an out-of-memory error. |
| Comment by Sergei Golubchik [ 2014-04-21 ] |
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this doesn't help, unfortunately. Perhaps it's still InnoDB that allocates all this memory, but I cannot tell that based on the information you've provided. Try this article — innodb memory usage, you should be able to see how much memory innodb is really using in your setup. |