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Flume集群部署

Flume集群部署#

安装Flume与基础环境#

下载、解压Flume#

Terminal window
cd /export/software
wget -P /export/software/ https://repo.huaweicloud.com/apache/flume/1.9.0/apache-flume-1.9.0-bin.tar.gz
sudo tar -zxvf /export/software/apache-flume-1.9.0-bin.tar.gz -C /export/servers/
cd /export/servers
sudo mv /export/servers/apache-flume-1.9.0-bin /export/servers/flume

配置环境变量#

编辑 /etc/profile文件

Terminal window
sudo vim /etc/profile

添加以下内容:

Terminal window
#Flume环境变量
export FLUME_HOME=/export/servers/flume
export PATH=$PATH:$FLUME_HOME/bin

使配置生效

Terminal window
source /etc/profile

配置flume-env.sh#

Terminal window
sudo chown -R hadooper:hadooper /export/servers/flume/
cd $FLUME_HOME/conf
cp flume-env.sh.template flume-env.sh
sudo vi flume-env.sh

添加以下内容:

Terminal window
export JAVA_HOME=/export/servers/jdk

分发配置文件#

Terminal window
scp -r /export/servers/flume hadoop02:/tmp/
scp /etc/profile hadoop02:/etc
scp -r /export/servers/flume hadoop03:/tmp/
scp -r /etc/profile hadoop03:/etc

进入hadoop02:#

Terminal window
sudo cp -r /tmp/flume /export/servers
cd /export/servers
sudo chown -R hadooper:hadooper /export/servers/flume/
rm -r /tmp/flume

进入hadoop03:#

Terminal window
sudo cp -r /tmp/flume /export/servers
cd /export/servers
sudo chown -R hadooper:hadooper /export/servers/flume/
rm -r /tmp/flume

分发完成后进入两个节点中使配置生效#

Terminal window
source /etc/profile

验证安装#

每个节点上执行 flume-ng version。如果正确显示版本信息,则基础安装成功

image-20260727223124167

配置故障转移模式集群节点#

故障转移模式和多层数据流模式二选一进行配置即可!

故障转移模式(建议配置) hadoop01:agent-node,负责采集日志。 hadoop02:collector1-node,接收数据,高优先级。 hadoop03:collector2-node,接收数据,备用优先级。

故障转移模式配置 hadoop01 (agent-node)#

Terminal window
cd /$FLUME_HOME/conf/

创建配置文件

Terminal window
touch agent-failover.conf
vi /$FLUME_HOME/conf/agent-failover.conf

内容如下:

# 定义组件名称
agent1.sources = r1
agent1.channels = c1
agent1.sinks = k1 k2
agent1.sinkgroups = g1
# 配置 Source:监控日志文件
agent1.sources.r1.type = exec
agent1.sources.r1.command = tail -F /export/servers/flume/weblog.log
agent1.sources.r1.channels = c1
# 配置 Channel:使用内存通道
agent1.channels.c1.type = memory
agent1.channels.c1.capacity = 10000
agent1.channels.c1.transactionCapacity = 10000
# 配置第一个 Sink(指向主 Collector)
agent1.sinks.k1.type = avro
agent1.sinks.k1.hostname = hadoop02
agent1.sinks.k1.port = 52020
agent1.sinks.k1.channel = c1
# 配置第二个 Sink(指向备用 Collector)
agent1.sinks.k2.type = avro
agent1.sinks.k2.hostname = hadoop03
agent1.sinks.k2.port = 52021
agent1.sinks.k2.channel = c1
# 配置 Sink Group 和故障转移策略
agent1.sinkgroups.g1.sinks = k1 k2
agent1.sinkgroups.g1.processor.type = failover
agent1.sinkgroups.g1.processor.priority.k1 = 10
agent1.sinkgroups.g1.processor.priority.k2 = 5
agent1.sinkgroups.g1.processor.maxpenalty = 10000

故障转移模式配置 hadoop02、hadoop03#

分别在每个 Collector 节点上创建配置文件

Terminal window
cd $FLUME_HOME/conf/
touch collector-hdfs.conf
vi /$FLUME_HOME/conf/collector-hdfs.conf

添加内容如下: 故障转移模式hadoop02:

# 定义组件
collector1.sources = r1
collector1.channels = c1
collector1.sinks = k1
# 配置 Source:监听 Avro 端口
collector1.sources.r1.type = avro
collector1.sources.r1.bind = 0.0.0.0
collector1.sources.r1.port = 52020
collector1.sources.r1.channels = c1
# 配置 Channel
collector1.channels.c1.type = memory
collector1.channels.c1.capacity = 10000
collector1.channels.c1.transactionCapacity = 10000
# 配置 Sink:写入 HDFS
collector1.sinks.k1.type = hdfs
collector1.sinks.k1.channel = c1
collector1.sinks.k1.hdfs.path = hdfs://mycluster/flume/events/%Y-%m-%d/
collector1.sinks.k1.hdfs.filePrefix = events-
collector1.sinks.k1.hdfs.fileType = DataStream
collector1.sinks.k1.hdfs.writeFormat = Text
collector1.sinks.k1.hdfs.rollInterval = 3600
collector1.sinks.k1.hdfs.rollSize = 0
collector1.sinks.k1.hdfs.rollCount = 0
collector1.sinks.k1.hdfs.useLocalTimeStamp = true

故障转移模式hadoop03:

# 定义组件
collector2.sources = r1
collector2.channels = c1
collector2.sinks = k1
# 配置 Source:监听 Avro 端口
collector2.sources.r1.type = avro
collector2.sources.r1.bind = 0.0.0.0
collector2.sources.r1.port = 52021
collector2.sources.r1.channels = c1
# 配置 Channel
collector2.channels.c1.type = memory
collector2.channels.c1.capacity = 10000
collector2.channels.c1.transactionCapacity = 10000
# 配置 Sink:写入 HDFS
collector2.sinks.k1.type = hdfs
collector2.sinks.k1.channel = c1
collector2.sinks.k1.hdfs.path = hdfs://mycluster/flume/events/%Y-%m-%d/
collector2.sinks.k1.hdfs.filePrefix = events-
collector2.sinks.k1.hdfs.fileType = DataStream
collector2.sinks.k1.hdfs.writeFormat = Text
collector2.sinks.k1.hdfs.rollInterval = 3600
collector2.sinks.k1.hdfs.rollSize = 0
collector2.sinks.k1.hdfs.rollCount = 0
collector2.sinks.k1.hdfs.useLocalTimeStamp = true

启动故障转移模式集群与测试#

注:此步骤为故障转移模式的启动与测试! 故障转移模式:

故障转移模式启动 Collector 服务#

在hadoop02和hadoop03上执行: hadoop02:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n collector1 -c conf -f $FLUME_HOME/conf/collector-hdfs.conf -Dflume.root.logger=INFO,console &

hadoop03:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n collector2 -c conf -f $FLUME_HOME/conf/collector-hdfs.conf -Dflume.root.logger=INFO,console &

故障转移模式启动 Agent 服务#

在hadoop01上执行:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n agent1 -c conf -f $FLUME_HOME/conf/agent-failover.conf -Dflume.root.logger=INFO,console &

故障转移模式测试数据流#

在 hadoop01 上创建测试日志文件

Terminal window
echo "Test message 1 - $(date)" >> /export/servers/flume/weblog.log
echo "Test message 2 - $(date)" >> /export/servers/flume/weblog.log

Agent 日志:应该显示事件被采集和发送 Collector1 (hadoop02) 日志:应该显示接收到数据并写入 HDFS Collector2 (hadoop03) 日志:作为备用,暂时不应接收数据 检查 HDFS 上是否生成了数据文件

Terminal window
hdfs dfs -ls hdfs://mycluster/flume/events/
echo "=== 最新数据内容 ==="
hdfs dfs -cat hdfs://mycluster/flume/events/*/*.tmp | tail -10

故障转移模式测试故障转移功能#

在 hadoop02 上停止 Flume Collector

Terminal window
ps aux | grep flume | grep collector1
kill [进程ID]

在 hadoop01 上创建测试日志文件

Terminal window
echo "Test message 1 - $(date)" >> /export/servers/flume/weblog.log
echo "Test message 2 - $(date)" >> /export/servers/flume/weblog.log

观察 Agent 日志是否显示切换到 k2 (hadoop03) 确认 hadoop03 开始接收数据并写入 HDFS

配置多层数据流模式集群节点#

故障转移模式和多层数据流模式二选一进行配置即可!

多层数据流模式 hadoop01:agent1-node,负责采集日志。 hadoop02:agent2-node, collector1-node,负责采集日志,接收1,2节点数据, hadoop03:agent3-node, collector2-node,负责采集本节点日志,接收本节点数据

多层数据流模式配置hadoop02、hadoop03#

多层数据流模式hadoop02: 在/export/servers/flume/conf路径下创建一个collector-hdfs.conf文件

Terminal window
cd /export/servers/flume/conf
touch collector-hdfs.conf
vi collector-hdfs.conf

并添加以下内容:

# 定义组件
collector1.sources = r1
collector1.channels = c1
collector1.sinks = k1
# 配置 Source:监听 Avro 端口
collector1.sources.r1.type = avro
collector1.sources.r1.bind = 0.0.0.0
collector1.sources.r1.port = 52020
collector1.sources.r1.channels = c1
# 配置 Channel
collector1.channels.c1.type = memory
collector1.channels.c1.capacity = 10000
collector1.channels.c1.transactionCapacity = 10000
# 配置 Sink:写入 HDFS
collector1.sinks.k1.type = hdfs
collector1.sinks.k1.channel = c1
collector1.sinks.k1.hdfs.path = hdfs://mycluster/flume/events/%Y-%m-%d/
collector1.sinks.k1.hdfs.filePrefix = events-
collector1.sinks.k1.hdfs.fileType = DataStream
collector1.sinks.k1.hdfs.writeFormat = Text
collector1.sinks.k1.hdfs.rollInterval = 3600
collector1.sinks.k1.hdfs.rollSize = 0
collector1.sinks.k1.hdfs.rollCount = 0
collector1.sinks.k1.hdfs.useLocalTimeStamp = true

多层数据流模式hadoop03: 在/export/servers/flume/conf路径下创建一个collector-hdfs.conf文件

Terminal window
cd /export/servers/flume/conf
touch collector-hdfs.conf
vi collector-hdfs.conf

并添加以下内容:

# 定义组件
collector2.sources = r1
collector2.sinks = k1
collector2.channels = c1
# 配置 Avro Source - 使用不同的端口(如 52021)
collector2.sources.r1.type = avro
collector2.sources.r1.bind = 0.0.0.0
collector2.sources.r1.port = 52021
collector2.sources.r1.channels = c1
# 添加时间戳拦截器
collector2.sources.r1.interceptors = i1
collector2.sources.r1.interceptors.i1.type = timestamp
collector2.sources.r1.interceptors.i1.preserveExisting = false
# 配置 HDFS Sink - 使用不同的 HDFS 路径
collector2.sinks.k1.type = hdfs
collector2.sinks.k1.channel = c1
collector2.sinks.k1.hdfs.path = hdfs://mycluster/flume/events/%Y-%m-%d/
collector2.sinks.k1.hdfs.filePrefix = events-
collector2.sinks.k1.hdfs.round = true
collector2.sinks.k1.hdfs.roundValue = 10
collector2.sinks.k1.hdfs.roundUnit = minute
collector2.sinks.k1.hdfs.rollInterval = 3600
collector2.sinks.k1.hdfs.rollSize = 0
collector2.sinks.k1.hdfs.rollCount = 0
collector2.sinks.k1.hdfs.batchSize = 1000
collector2.sinks.k1.hdfs.fileType = DataStream
# 配置 Memory Channel
collector2.channels.c1.type = memory
collector2.channels.c1.capacity = 1000
collector2.channels.c1.transactionCapacity = 1000

多层数据流模式为每个 Agent 节点创建单独的配置文件#

多层数据流模式hadoop01: 进入/export/servers/flume/conf/目录

Terminal window
cd /export/servers/flume/conf/

创建新配置文件

Terminal window
touch agent-node1.conf
vim agent-node1.conf

并添加以下内容:

# 定义组件名称
agent1.sources = r1
agent1.channels = c1
agent1.sinks = k1
# 配置 Source:监控日志文件
agent1.sources.r1.type = exec
agent1.sources.r1.command = tail -F /export/servers/flume/weblog-hadoop01.log
agent1.sources.r1.channels = c1
# 配置 Channel:使用内存通道
agent1.channels.c1.type = memory
agent1.channels.c1.capacity = 10000
agent1.channels.c1.transactionCapacity = 10000
# 配置第一个 Sink(指向主 Collector)
agent1.sinks.k1.type = avro
agent1.sinks.k1.hostname = hadoop02
agent1.sinks.k1.port = 52020
agent1.sinks.k1.channel = c1

分别进入hadoop02、hadoop03修改配置文件:

多层数据流模式hadoop02:

Terminal window
cd /export/servers
sudo chown -R hadooper:hadooper /export/servers/flume/
cd /export/servers/flume/conf
vi agent-node2.conf

文件内容如下:

# 定义组件名称
agent2.sources = r1
agent2.channels = c1
agent2.sinks = k1
# 配置 Source:监控日志文件
agent2.sources.r1.type = exec
agent2.sources.r1.command = tail -F /export/servers/flume/weblog-hadoop02.log
agent2.sources.r1.channels = c1
# 配置 Channel:使用内存通道
agent2.channels.c1.type = memory
agent2.channels.c1.capacity = 10000
agent2.channels.c1.transactionCapacity = 10000
# 配置第一个 Sink(指向主 Collector)
agent2.sinks.k1.type = avro
agent2.sinks.k1.hostname = hadoop02
agent2.sinks.k1.port = 52020
agent2.sinks.k1.channel = c1

多层数据流模式hadoop03:

Terminal window
cd /export/servers
sudo chown -R hadooper:hadooper /export/servers/flume/
cd /export/servers/flume/conf
vi agent-node3.conf

文件内容如下:

# 定义组件名称
agent3.sources = r1
agent3.channels = c1
agent3.sinks = k1
# 配置 Source:监控日志文件
agent3.sources.r1.type = exec
agent3.sources.r1.command = tail -F /export/servers/flume/weblog-hadoop03.log
agent3.sources.r1.channels = c1
# 配置 Channel:使用内存通道
agent3.channels.c1.type = memory
agent3.channels.c1.capacity = 10000
agent3.channels.c1.transactionCapacity = 10000
# 配置第一个 Sink(指向主 Collector)
agent3.sinks.k1.type = avro
agent3.sinks.k1.hostname = hadoop03
agent3.sinks.k1.port = 52021
agent3.sinks.k1.channel = c1

启动集群与测试#

此步骤为多层数据流模式的启动与测试!

多层数据流模式:

多层数据流模式启动 Collector 服务#

在hadoop02和hadoop03上执行: 多层数据流模式hadoop02:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n collector1 -c conf -f $FLUME_HOME/conf/collector-hdfs.conf -Dflume.root.logger=INFO,console &

多层数据流模式hadoop03:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n collector2 -c conf -f $FLUME_HOME/conf/collector-hdfs.conf -Dflume.root.logger=INFO,console &

多层数据流模式启动 Agent 服务:#

多层数据流模式hadoop01:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n agent1 -c conf -f $FLUME_HOME/conf/agent-node1.conf -Dflume.root.logger=INFO,console &

多层数据流模式hadoop02:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n agent2 -c conf -f $FLUME_HOME/conf/agent-node2.conf -Dflume.root.logger=INFO,console &

多层数据流模式hadoop03:

Terminal window
cd $FLUME_HOME
$FLUME_HOME/bin/flume-ng agent -n agent3 -c conf -f $FLUME_HOME/conf/agent-node3.conf -Dflume.root.logger=INFO,console &

多层数据流模式测试数据流#

在 hadoop01 上测试​ (发送到 hadoop02:52020)#

Terminal window
echo "Agent1 to Collector1 测试 - $(date)" >> /export/servers/flume/weblog-hadoop01.log

在 hadoop02 上测试​ (发送到 hadoop02:52020)#

Terminal window
echo " Agent2 to Collector1 测试 - $(date) " >> /export/servers/flume/weblog-hadoop02.log

在 hadoop03 上测试​ (发送到本地 hadoop03:52021)#

Terminal window
echo " Agent3 to Collector2 测试 - $(date) " >> /export/servers/flume/weblog-hadoop03.log

验证 HDFS 数据写入#

Terminal window
hdfs dfs -ls hdfs://mycluster/flume/events/
echo "=== 最新数据内容 ==="
hdfs dfs -cat hdfs://mycluster/flume/events/*/*.tmp | tail -10
Flume集群部署
https://mizuki.mysqil.com/posts/flume部署/
作者
SuifengFlying
发布于
2025-11-24
许可协议
CC BY-NC-SA 4.0

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