小編給大家分享一下如何從指定的網絡端口上采集日志到控制臺輸出和HDFS,希望大家閱讀完這篇文章之后都有所收獲,下面讓我們一起去探討吧!
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從指定的網絡端口上采集日志到控制臺輸出和HDFS
負載算法
故障轉移:可以指定優(yōu)先級,數字越大越優(yōu)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
全部輪詢
a1.sinkgroups.g1.processor.type = load_balance
#從指定的網絡端口上采集日志到控制臺輸出和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
檢查logger輸出:
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
檢查hdfs輸出:
[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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