yiguolei opened a new pull request, #13285:
URL: https://github.com/apache/doris/pull/13285
# Proposed changes
1. disable page cache by default
2. disable chunk allocator by default
3. not use chunk allocator for vectorized allocator by default
4. add a new config memory_linear_growth_threshold = 128Mb, not allocate
memory by RoundUpToPowerOf2 if the allocated size is larger than this
threshold. This config is added to MemPool, ChunkAllocator, PodArray, Arena.
## Problem summary
Describe your changes.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
5. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
6. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
7. Does it need to update dependencies:
- [ ] Yes
- [ ] No
8. 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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