suxiaogang223 opened a new pull request, #57950:
URL: https://github.com/apache/doris/pull/57950
### What problem does this PR solve?
Problem Summary:
Previously, PaimonScanNode.setPaimonParams() was called for each PaimonSplit
and set hadoop conf (backendStorageProperties) in every split, which is
redundant since these properties are the same at ScanNode level.
This commit:
1. Modifies PaimonJniReader to prefer hadoop conf from scan node level
(range_params->properties) over split level, with fallback for backward
compatibility
2. Removes redundant fileDesc.setHadoopConf() call in PaimonScanNode, since
backendStorageProperties is already set at ScanNode level via params.properties
in createScanRangeLocations()
This optimization:
- Reduces memory usage by avoiding duplicate configuration in each split
- Improves performance by eliminating redundant serialization
- Aligns with the implementation pattern used by Hudi and other data sources
### 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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