1.安装python3环境
yum update

查询yum list python3

yum -y install python3

验证：
python3 -V

>>>>>Python 3.6.8

pip3 -V

>>>>>pip 9.0.3 from /usr/lib/python3.6/site-packages (python 3.6)

2.安装parquet-tools
pip install Cython
pip install parquet-tools

3.打开parquet文件
parquet-tools show *.snappy.parquet > parquet.log

parquet.log里就可以看到文件内容了