apache/tajo — pull request #320 by charsyam (2014-12-25 04:57:23+00:00)
Title: TAJO-1266: Too many logs when writing a parquet relation

In parquet, They use parquet.Log class
and It's log level is determined in Compile Time In parquet source.
So we can't change it.

Fortunately, the logs that @jihoonson mentioned, They are in tajo.
so I just changed its code to use log.debug.