xinyiZzz opened a new pull request, #12954:
URL: https://github.com/apache/doris/pull/12954
# Proposed changes
Issue Number: close #xxx
## Problem summary
In order to avoid different mem tracker consumption values of multiple
queries/loads, and the difference between the virtual memory of alloc and the
physical memory actually increased by the process.
The memory alloc in PODArray and mempool will not be recorded in the
query/load mem tracker immediately, but will be gradually recorded in the mem
tracker during the memory usage.
But mem pool allocates memory from chunk allocator. If this chunk is used
after the second time, it may have used physical memory. The above mechanism
will cause the load channel memory statistics to be less than the actual value.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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