Flume学习4_CentOS6.5下,Flume安装及配置详细教程-存疑版
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CentOS6.5下,Flume安装及配置详细教程
下载地址:
http://mirror.bit.edu.cn/apache/flume/1.5.0.1/apache-flume-1.5.0.1-bin.tar.gz
安装:
cd /usr/local
打开local目录
wget http://mirror.bit.edu.cn/apache/flume/1.5.0.1/apache-flume-1.5.0.1-bin.tar.gz
使用wget命令,安装软件(适合知道下载链接时)
tar xvzf apache-flume-1.5.0.1-bin.tar.gz
解压
mv apache-flume-1.5.0.1-bin flume
改成一个简单的名字
cd flume
打开flume
修改 flume-env.sh 配置文件:
cd /usr/local/flume
打开flume目录
cp conf/flume-env.sh.template conf/flume-env.sh
复制一个,作为模板
vim conf/flume-env.sh
编辑,目的是加上JAVA_HOME,编辑的结果如下所示:
JAVA_HOME=/usr/local/java/jdk1.7.0_51
/usr/local/flume/bin/flume-ng version
检验
显示如下信息:
[root@Master flume]# /usr/local/flume/bin/flume-ng version
Flume 1.5.0.1
Source code repository: https://git-wip-us.apache.org/repos/asf/flume.git
Revision: ceda6aa1126a01370641caf729d8b1dd6d80aa61
Compiled by hshreedharan on Tue Jun 10 15:12:04 PDT 2014
From source with checksum 9500a0fd0084429fe7b0ecf18132be2b
[root@Master flume]#
表示成功
通过一些实际的配置实例,来了解Flume的使用:
案例一:
Avro Source+Memory Channel+Logger Sink:
使用apache-flume-1.5.0.1自带的例子,使用Avro Source接收外部数据源,Logger作为sink,即通过Avro RPC调用,将数据缓存在channel中,然后通过Logger打印出调用发送的数据。
配置Agent,修改配置文件conf/flume-conf.properties,内容如下:
cd /usr/local/flume/conf
打开文件所在目录
vim flume-conf.properties
编辑文件
内容编辑为:
# Define a memory channel called ch1 on agent1
agent1.channels.ch1.type = memory
# Define an Avro source called avro-source1 on agent1 and tell it
# to bind to 0.0.0.0:41414. Connect it to channel ch1.
agent1.sources.avro-source1.channels = ch1
agent1.sources.avro-source1.type = avro
agent1.sources.avro-source1.bind = 0.0.0.0
agent1.sources.avro-source1.port = 41414
# Define a logger sink that simply logs all events it receives
# and connect it to the other end of the same channel.
agent1.sinks.log-sink1.channel = ch1
agent1.sinks.log-sink1.type = logger
# Finally, now that we've defined all of our components, tell
# agent1 which ones we want to activate.
agent1.channels = ch1
agent1.channels.ch1.capacity = 1000
agent1.sources = avro-source1
agent1.sinks = log-sink1
启动Agent进程:
cd /usr/local/flume
打开flume目录
bin/flume-ng agent -c ./conf/ -f conf/flume-conf.properties -Dflume.root.logger=DEBUG,console -n agent1
报错:
Failed to bind to :/0.0.0.0:41414
启动Avro Client,发送数据:
cd /usr/local/flume
打开flume目录
bin/flume-ng avro-client -c ./conf/ -H 0.0.0.0 -p 41414 -F /usr/local/programs/logs/sync.log -Dflume.root.logger=DEBUG,console
报错:
2015-09-13 23:04:20,532 (main) [ERROR - org.apache.flume.client.avro.AvroCLIClient.main(AvroCLIClient.java:77)] Unable to send data to Flume. Exception follows.
java.io.FileNotFoundException: /usr/local/programs/logs/sync.log (No such file or directory)
这个文件不存在,需要自己再配置!
案例二:
案例:Avro
cd /usr/local/flume
打开flume目录
vim conf/avro.conf
编辑文件
加入以下内容:
a1.sources = r1
a1.sinks = k1
a1.channels = c1
# Describe/configure the source
a1.sources.r1.type = avro
a1.sources.r1.channels = c1
a1.sources.r1.bind = 0.0.0.0
a1.sources.r1.port = 4141
# 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
启动flume agent a1:
/usr/local/flume/bin/flume-ng agent -c . -f /usr/local/flume/conf/avro.conf -n a1 -Dflume.root.logger=INFO,console
创建指定文件:
echo "hello world" > /usr/local/flume/log.00
使用avro-client发送文件:
/usr/local/flume/bin/flume-ng avro-client -c . -H m1 -p 4141 -F /usr/local/flume/log.00
报错:
15/09/14 05:45:54 WARN api.NettyAvroRpcClient: Using default maxIOWorkers
15/09/14 05:45:55 ERROR avro.AvroCLIClient: Unable to open connection to Flume. Exception follows.
org.apache.flume.FlumeException: NettyAvroRpcClient { host: m1, port: 4141 }: RPC connection error
Avro Source+Memory Channel+HDFS Sink:
Spooling Directory Source+Memory Channel+HDFS Sink:
Exec Source+Memory Channel+File Roll Sink:
这三个的步骤也是:
配置Agent,启动Agent进程,(启动Avro Client),具体配置信息不进行列举。
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