chore: fix some flood logs with batch progress

[BohuTANG]

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Summary

1. Adjust the CSE info log level to debug; I think this log is no need info.
2. Modify the spill read bucket log to batch progress in order to reduce excessive logging.

• Fixes #15485

Tests

• [ ] Unit Test
• [ ] Logic Test
• [ ] Benchmark Test
• [x] No Test - Only logs

Type of change

• [ ] Bug Fix (non-breaking change which fixes an issue)
• [ ] New Feature (non-breaking change which adds functionality)
• [ ] Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• [ ] Documentation Update
• [x] Refactoring
• [ ] Performance Improvement
• [ ] Other (please describe):

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This change is