sollhui opened a new pull request, #56948:
URL: https://github.com/apache/doris/pull/56948
### What problem does this PR solve?
In some cases, the size of `segments` may be relatively small, which not
only affects read performance but may also cause transaction commit failures in
cloud mode for fdb value limit.
We introduce the adaptive memtable write buffer size scheme, which
adaptively increases the write buffer size when there is enough memory to avoid
the generation of small segments as much as possible.
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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