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小编给大家分享一下如何从指定的网络端口上采集日志到控制台输出和HDFS，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
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从指定的网络端口上采集日志到控制台输出和HDFS
负载算法
故障转移：可以指定优先级，数字越大越优先
a1.sinkgroups.g1.processor.type = failover
a1.sinkgroups = g1 a1.sinkgroups.g1.sinks = k1 k2 a1.sinkgroups.g1.processor.type = failover a1.sinkgroups.g1.processor.priority.k1 = 5 a1.sinkgroups.g1.processor.priority.k2 = 10 a1.sinkgroups.g1.processor.maxpenalty = 10000
全部轮询
a1.sinkgroups.g1.processor.type = load_balance
#从指定的网络端口上采集日志到控制台输出和HDFS
a1.sources = r1 a1.sinks = k1 k2 a1.channels = c1 # Describe/configure the source a1.sources.r1.type = netcat a1.sources.r1.bind = 0.0.0.0 a1.sources.r1.port = 44444 # Describe the sink a1.sinkgroups = g1 a1.sinkgroups.g1.sinks = k1 k2 a1.sinkgroups.g1.processor.type = load_balance a1.sinks.k1.type = logger a1.sinks.k2.type = hdfs a1.sinks.k2.hdfs.path = hdfs://192.168.0.129:9000/user/hadoop/flume a1.sinks.k2.hdfs.batchSize = 10 a1.sinks.k2.hdfs.fileType = DataStream a1.sinks.k2.hdfs.writeFormat = Text # 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 a1.sinks.k2.channel = c1
检查logger输出：
2018-08-10 18:58:39,659 (lifecycleSupervisor-1-3) [INFO - org.apache.flume.source.NetcatSource.start(NetcatSource.java:169)] Created serverSocket:sun.nio.ch.ServerSocketChannelImpl[/0:0:0:0:0:0:0:0:44444]
2018-08-10 18:59:17,723 (SinkRunner-PollingRunner-LoadBalancingSinkProcessor) [INFO - org.apache.flume.sink.LoggerSink.process(LoggerSink.java:94)] Event: { headers:{} body: 7A 6F 75 72 63 20 6F 6B 0D zourc ok. }
2018-08-10 19:00:35,744 (SinkRunner-PollingRunner-LoadBalancingSinkProcessor) [INFO - org.apache.flume.sink.LoggerSink.process(LoggerSink.java:94)] Event: { headers:{} body: 61 73 64 66 0D asdf. }
2018-08-10 19:00:35,774 (SinkRunner-PollingRunner-LoadBalancingSinkProcessor) [INFO - org.apache.flume.sink.hdfs.HDFSDataStream.configure(HDFSDataStream.java:58)] Serializer = TEXT, UseRawLocalFileSystem = false
2018-08-10 19:00:36,086 (SinkRunner-PollingRunner-LoadBalancingSinkProcessor) [INFO - org.apache.flume.sink.hdfs.BucketWriter.open(BucketWriter.java:234)] Creating hdfs://192.168.0.129:9000/user/hadoop/flume/FlumeData.1533942035775.tmp检查hdfs输出：
[hadoop@hadoop001 flume]$ hdfs dfs -text hdfs://192.168.0.129:9000/user/hadoop/flume/* 18/08/10 19:14:23 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable zourc1 2 3 4 5 6 7 8 9 10
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