# example.conf: A single-node Flume configuration # Name the components on this agent #给那三个组件取个名字 a1.sources = r1 a1.sinks = k1 a1.channels = c1 # Describe/configure the source #类型, 从网络端口接收数据,在本机启动, 所以localhost, type=spoolDir采集目录源,目录里有就采 a1.sources.r1.type = netcat a1.sources.r1.bind = localhost a1.sources.r1.port = 44444 # Describe the sink a1.sinks.k1.type = logger # Use a channel which buffers events in memory #下沉的时候是一批一批的, 下沉的时候是一个个eventChannel参数解释： #capacity：默认该通道中最大的可以存储的event数量 #trasactionCapacity：每次最大可以从source中拿到或者送到sink中的event数量 a1.channels.c1.type = memory a1.channels.c1.capacity = 1000 a1.channels.c1.transactionCapacity = 100 # Bind the source and sink to the channel a1.sources.r1.channels = c1 a1.sinks.k1.channel = c1 启动命令： #告诉flum启动一个agent,指定配置参数, --name:agent的名字, $ bin/flume-ng agent --conf conf --conf-file conf/netcat-logger.conf --name a1 -Dflume.root.logger=INFO,console
首先要启动hdfs，
使用telnet通信就可以做测试，如果是其他机器访问的那么netcat要配置成ip而不是localhost，netcat默认读取字符长度是16个数字，可以设置更大
启动flume 之后 telnet mini2 44444
文件系统 到hdfs
agent1.sources=source1 agent1.sinks=sink1 agent1.channels=channel1 #source1 agent1.sources.source1.type=spooldir agent1.sources.source1.spoolDir=/home/hadoop/flume/test/logs agent1.sources.source1.channels=channel1 agent1.sources.source1.fileHeader=false agent1.sources.source1.interceptors = i1 agent1.sources.source1.interceptors.i1.type = timestamp #sink1 agent1.sinks.sink1.type=hdfs agent1.sinks.sink1.hdfs.path=hdfs://mini1:9000/flume/data agent1.sinks.sink1.hdfs.fileType=DataStream agent1.sinks.sink1.hdfs.writeFormat=TEXT agent1.sinks.sink1.hdfs.rollInterval=1 agent1.sinks.sink1.hdfs.useLocalTimeStamp = true agent1.sinks.sink1.channel=channel1 agent1.sinks.sink1.hdfs.filePrefix=%Y-%m-%d #配置channel1 agent1.channels.channel1.type=file agent1.channels.channel1.checkpointDir=/home/hadoop/flume/channel_data.backup agent1.channels.channel1.dataDirs=/home/hadoop/flume/channel_data