andygrove opened a new issue, #876:
URL: https://github.com/apache/datafusion-comet/issues/876
### What is the problem the feature request solves?
We have some undocumented configs `COMET_PARQUET_PARALLEL_IO_ENABLED` and
`COMET_PARQUET_PARALLEL_IO_THREADS ` in `ReadOptions`.
They seem to be specific to the Comet native Parquet reader.
It would be nice to have some documenation. Can these be added to
`CometConf`?
```
public class ReadOptions {
private static final Logger LOG =
LoggerFactory.getLogger(ReadOptions.class);
public static final String COMET_PARQUET_PARALLEL_IO_ENABLED =
"comet.parquet.read.parallel.io.enabled";
public static final boolean COMET_PARQUET_PARALLEL_IO_ENABLED_DEFAULT =
true;
public static final String COMET_PARQUET_PARALLEL_IO_THREADS =
"comet.parquet.read.parallel.io.thread-pool.size";
public static final int COMET_PARQUET_PARALLEL_IO_THREADS_DEFAULT = 32;
```
### Describe the potential solution
_No response_
### Additional context
_No response_
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