Switching to the JVM-based libhdfs caused severe performance degradation
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- Dominant language
- Scala
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Description
### Backend
VL (Velox)
### Bug description
After switching from libhdfs3 to the JVM-based HDFS client, performance degradation was observed in TPC-DS benchmarks for both ORC and Parquet formats. Specifically:
Parquet on x86: 5% throughput drop
ORC on x86: 30% throughput drop
Parquet on ARM: 20% throughput drop
ORC on ARM: 30% throughput drop."
### Spark version
Spark-3.4.x
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
```bash
```
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