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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/07/16 15:20:09 UTC
[GitHub] [doris] xinyiZzz opened a new issue, #10923: [Enhancement] [Memory] Limit memory usage use process actual physical memory
xinyiZzz opened a new issue, #10923:
URL: https://github.com/apache/doris/issues/10923
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues.
### Description
Currently, the mem tracker uses the tcmalloc hook and the tcmalloc property `generic.total_physical_bytes` to limit process memory usage.
Both tcmalloc hook and `generic.total_physical_bytes` record the total length of virtual memory of the process malloc, not the physical memory actually used by the process in the OS.
When there is a large amount of memory that is not used after application (this is abnormal code), the virtual memory of the process will be much larger than the physical memory actually used by the process, causing the mem tracker to limit the memory too strictly.
### Solution
_No response_
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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[GitHub] [doris] yiguolei closed issue #10923: [Enhancement] [Memory] Limit memory usage use process actual physical memory
Posted by GitBox <gi...@apache.org>.
yiguolei closed issue #10923: [Enhancement] [Memory] Limit memory usage use process actual physical memory
URL: https://github.com/apache/doris/issues/10923
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