flume怎样指定两个数据槽

在Flume中，可以通过指定多个channel来实现使用多个数据槽。具体操作如下：

1. 在Flume的配置文件中，定义两个不同的channel。例如：

# 定义channel1
agent1.channels.channel1.type = memory
agent1.channels.channel1.capacity = 10000
agent1.channels.channel1.transactionCapacity = 1000

# 定义channel2
agent1.channels.channel2.type = memory
agent1.channels.channel2.capacity = 20000
agent1.channels.channel2.transactionCapacity = 2000

2. 将source和sink与指定的channel关联。例如：

# source与channel1关联
agent1.sources.source1.type = netcat
agent1.sources.source1.bind = localhost
agent1.sources.source1.port = 44444
agent1.sources.source1.channels = channel1

# channel1与sink1关联
agent1.sinks.sink1.type = hdfs
agent1.sinks.sink1.hdfs.path = /user/flume/logs
agent1.sinks.sink1.hdfs.filePrefix = %Y-%m-%d-
agent1.sinks.sink1.hdfs.fileSuffix = .log
agent1.sinks.sink1.channel = channel1
agent1.sinks.sink1.serializer = TEXT

# source与channel2关联
agent1.sources.source2.type = netcat
agent1.sources.source2.bind = localhost
agent1.sources.source2.port = 44445
agent1.sources.source2.channels = channel2

# channel2与sink2关联
agent1.sinks.sink2.type = hdfs
agent1.sinks.sink2.hdfs.path = /user/flume/logs2
agent1.sinks.sink2.hdfs.filePrefix = %Y-%m-%d-
agent1.sinks.sink2.hdfs.fileSuffix = .log
agent1.sinks.sink2.channel = channel2
agent1.sinks.sink2.serializer = TEXT

在此配置中，source1和sink1使用channel1，source2和sink2使用channel2。这样就可以使用两个不同的数据槽来处理数据了。