[Feature] Use Parquet Merge in compaction for AppendOnlyTable

[xiangyuf]

Search before asking

• [x] I searched in the issues and found nothing similar.

Motivation

See more in: https://issues.apache.org/jira/browse/PARQUET-382

This could save lots of resource usage for append only table's compaction.

Solution

No response

Anything else?

No response

Are you willing to submit a PR?

• [x] I'm willing to submit a PR!