Mryange opened a new pull request, #68763:
URL: https://github.com/apache/doris/pull/68763
`IN_OR_BLOOM` runtime filters allocate and clear a Bloom buffer even when
they remain IN, adding unnecessary CPU and memory overhead across parallel join
instances. Root cause: initialization checks whether the Bloom function object
exists instead of checking the actual filter type. Initialize the buffer only
when the actual type is Bloom, preserving threshold conversion and merge
behavior.
### 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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