flume 简单安装

问题导读：
此文章适合新手尝试安装简单flume，可以作为一种常识和了解
1.如何下载flume？
2.flume配置文件该如何修改？
3.telnet localhost 5858 的作用是什么？






一、flume下载：下载地址
http://www.apache.org/dyn/closer ... me-1.4.0-bin.tar.gz

二、flume安装：
tar zvxf apache-flume-1.4.0-bin.tar.gz

三、修改配置文件

修改conf/flume-conf.properties.template文件名为flume-conf
修改文件内容：

a1.sources = r1  
a1.sinks = k1  
a1.channels = c1  
  
# Describe/configure the source  
a1.sources.r1.type = netcat  
a1.sources.r1.bind = localhost  
a1.sources.r1.port = 5858  
  
# Describe the sink  
a1.sinks.k1.type = logger  
  
# Use a channel which buffers events in memory  
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  
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四启动服务：
bin/flume-ng agent --conf conf --conf-file conf/flume-conf --name a1 -Dflume.root.logger=INFO,console

输出日志：

+ exec /etc/local/jdk1.6.0_37/bin/java -Xmx20m -Dflume.root.logger=INFO,console -cp '/usr/local/apache-flume-1.4.0-bin/conf:/usr/local/apache-flume-1.4.0-bin/lib/*' -Djava.library.path= org.apache.flume.node.Application --conf-file conf/flume-conf --name a1  
2014-04-02 02:08:42,373 (lifecycleSupervisor-1-0) [INFO - org.apache.flume.node.PollingPropertiesFileConfigurationProvider.start(PollingPropertiesFileConfigurationProvider.java:61)] Configuration provider starting  
2014-04-02 02:08:42,381 (conf-file-poller-0) [INFO - org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:133)] Reloading configuration file:conf/flume-conf  
2014-04-02 02:08:42,389 (conf-file-poller-0) [INFO - org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty(FlumeConfiguration.java:930)] Added sinks: k1 Agent: a1  
2014-04-02 02:08:42,390 (conf-file-poller-0) [INFO - org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty(FlumeConfiguration.java:1016)] Processing:k1  
2014-04-02 02:08:42,390 (conf-file-poller-0) [INFO - org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty(FlumeConfiguration.java:1016)] Processing:k1  
2014-04-02 02:08:42,424 (conf-file-poller-0) [INFO - org.apache.flume.conf.FlumeConfiguration.validateConfiguration(FlumeConfiguration.java:140)] Post-validation flume configuration contains configuration for agents: [a1]  
2014-04-02 02:08:42,424 (conf-file-poller-0) [INFO - org.apache.flume.node.AbstractConfigurationProvider.loadChannels(AbstractConfigurationProvider.java:150)] Creating channels  
2014-04-02 02:08:42,443 (conf-file-poller-0) [INFO - org.apache.flume.channel.DefaultChannelFactory.create(DefaultChannelFactory.java:40)] Creating instance of channel c1 type memory  
2014-04-02 02:08:42,451 (conf-file-poller-0) [INFO - org.apache.flume.node.AbstractConfigurationProvider.loadChannels(AbstractConfigurationProvider.java:205)] Created channel c1  
2014-04-02 02:08:42,454 (conf-file-poller-0) [INFO - org.apache.flume.source.DefaultSourceFactory.create(DefaultSourceFactory.java:39)] Creating instance of source r1, type netcat  
2014-04-02 02:08:42,490 (conf-file-poller-0) [INFO - org.apache.flume.sink.DefaultSinkFactory.create(DefaultSinkFactory.java:40)] Creating instance of sink: k1, type: logger  
2014-04-02 02:08:42,505 (conf-file-poller-0) [INFO - org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:119)] Channel c1 connected to [r1, k1]  
2014-04-02 02:08:42,531 (conf-file-poller-0) [INFO - org.apache.flume.node.Application.startAllComponents(Application.java:138)] Starting new configuration:{ sourceRunners:{r1=EventDrivenSourceRunner: { source:org.apache.flume.source.NetcatSource{name:r1,state:IDLE} }} sinkRunners:{k1=SinkRunner: { policy:org.apache.flume.sink.DefaultSinkProcessor@380e28b9 counterGroup:{ name:null counters:{} } }} channels:{c1=org.apache.flume.channel.MemoryChannel{name: c1}} }  
2014-04-02 02:08:42,570 (conf-file-poller-0) [INFO - org.apache.flume.node.Application.startAllComponents(Application.java:145)] Starting Channel c1  
2014-04-02 02:08:42,650 (lifecycleSupervisor-1-1) [INFO - org.apache.flume.instrumentation.MonitoredCounterGroup.register(MonitoredCounterGroup.java:110)] Monitoried counter group for type: CHANNEL, name: c1, registered successfully.  
2014-04-02 02:08:42,650 (lifecycleSupervisor-1-1) [INFO - org.apache.flume.instrumentation.MonitoredCounterGroup.start(MonitoredCounterGroup.java:94)] Component type: CHANNEL, name: c1 started  
2014-04-02 02:08:42,653 (conf-file-poller-0) [INFO - org.apache.flume.node.Application.startAllComponents(Application.java:173)] Starting Sink k1  
2014-04-02 02:08:42,656 (lifecycleSupervisor-1-1) [INFO - org.apache.flume.source.NetcatSource.start(NetcatSource.java:150)] Source starting  
2014-04-02 02:08:42,684 (lifecycleSupervisor-1-1) [INFO - org.apache.flume.source.NetcatSource.start(NetcatSource.java:164)] Created serverSocket:sun.nio.ch.ServerSocketChannelImpl[/127.0.0.1:5858]  
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再打开一个终端，输入“flume success!”：

lz@ubuntu:~$ telnet localhost 5858  
Trying 127.0.0.1...  
Connected to localhost.  
Escape character is '^]'.  
flume success!  
OK  
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退出telnet:  输入ctrl+]  然后 q

flume将接收到数据，打印日志：
2014-04-02 02:10:56,707 (SinkRunner-PollingRunner-DefaultSinkProcessor) [INFO - org.apache.flume.sink.LoggerSink.process(LoggerSink.java:70)] Event: { headers:{} body: 66 6C 75 6D 65 20 73 75 63 63 65 73 73 21 0D flume success!. }  

看完此篇，推荐与另外一篇进行对比Kafka与FlumeNG整合实践