背景：
[root@spark2upgrade03 flume]# yum install lzop
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
Setting up Install Process
No package lzop available
解决：
1. yum install epel-release
2.vi /etc/yum.repos.d/epel.repo
的3行注释，4行注释去掉
3. yum install lzop