案例:Flume exec sources监听命令

exec sources

a1.sources = r1
a1.channels = c1
a1.sinks = k1

a1.sources.r1.type = exec

a1.sources.r1.command = tail -f /root/exec.log

a1.channels.c1.type = memory
a1.channels.c1.capacity = 10000
a1.channels.c1.transactionCapacity = 100

a1.sinks.k1.type = logger

a1.sources.r1.channels = c1
a1.sinks.k1.channel = c1

那个命令就是需要监听的命令

他是不断的去监听你文件添加了什么