xinyiZzz opened a new pull request, #14712:
URL: https://github.com/apache/doris/pull/14712
# Proposed changes
Issue Number: close #xxx
## Problem summary
1. When the operating system MemAvailable is less than the warning water
mark, or the memory used by the BE process exceeds the mem soft limit, run
minor gc and try to release the cache.
2. When the MemAvailable of the operating system is less than the low water
mark, or the memory used by the BE process exceeds the mem limit, run fucc gc,
try to release the cache, and start canceling from the query with the largest
memory usage until the memory of mem_limit * 20% is released.
## 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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