flume在hdfs的输出文件末尾创建一个空行

u3r8eeie  于 2021-05-29  发布在  Hadoop
关注(0)|答案(2)|浏览(524)

目前我使用的是flume版本:1.5.2。
flume在hdfs中每个输出文件的末尾创建一个空行,这会导致行计数、文件大小和校验和与源文件和目标文件不匹配。
我试图重写参数roolsize、batchsize和appendnewline的默认值,但仍然不起作用。
同样,flume将eol从crlf(源文件)更改为lf(输出文件),这也会导致文件大小不同
下面是我正在使用的相关flume代理配置参数

agent1.sources = c1
 agent1.sinks = c1s1
 agent1.channels = ch1

 agent1.sources.c1.type = spooldir
 agent1.sources.c1.spoolDir = /home/biadmin/flume-test/sourcedata1
 agent1.sources.c1.bufferMaxLineLength = 80000
 agent1.sources.c1.channels = ch1
 agent1.sources.c1.fileHeader = true 
 agent1.sources.c1.fileHeaderKey = file
 #agent1.sources.c1.basenameHeader = true
 #agent1.sources.c1.fileHeaderKey = basenameHeaderKey
 #agent1.sources.c1.filePrefix = %{basename}
 agent1.sources.c1.inputCharset = UTF-8
 agent1.sources.c1.decodeErrorPolicy = IGNORE
 agent1.sources.c1.deserializer= LINE
 agent1.sources.c1.deserializer.maxLineLength =  50000
 agent1.sources.c1.deserializer=
 org.apache.flume.sink.solr.morphline.BlobDeserializer$Builder
agent1.sources.c1.interceptors = a b
agent1.sources.c1.interceptors.a.type  =     
org.apache.flume.interceptor.TimestampInterceptor$Builder
agent1.sources.c1.interceptors.b.type =
org.apache.flume.interceptor.HostInterceptor$Builder
agent1.sources.c1.interceptors.b.preserveExisting = false
agent1.sources.c1.interceptors.b.hostHeader = host

agent1.channels.ch1.type = memory
agent1.channels.ch1.capacity = 1000
agent1.channels.ch1.transactionCapacity = 1000
agent1.channels.ch1.batchSize = 1000
agent1.channels.ch1.maxFileSize = 2073741824
agent1.channels.ch1.keep-alive = 5
agent1.sinks.c1s1.type = hdfs
agent1.sinks.c1s1.hdfs.path = hdfs://bivm.ibm.com:9000/user/biadmin/
flume/%y-%m-%d/%H%M
agent1.sinks.c1s1.hdfs.fileType = DataStream
agent1.sinks.c1s1.hdfs.filePrefix = %{file}
agent1.sinks.c1s1.hdfs.fileSuffix =.csv
agent1.sinks.c1s1.hdfs.writeFormat = Text
agent1.sinks.c1s1.hdfs.maxOpenFiles = 10
agent1.sinks.c1s1.hdfs.rollSize = 67000000
agent1.sinks.c1s1.hdfs.rollCount = 0

# agent1.sinks.c1s1.hdfs.rollInterval = 0

agent1.sinks.c1s1.hdfs.batchSize = 1000
agent1.sinks.c1s1.channel = ch1

# agent1.sinks.c1s1.hdfs.codeC = snappyCodec

agent1.sinks.c1s1.hdfs.serializer = text
agent1.sinks.c1s1.hdfs.serializer.appendNewline = false

hdfs.serializer.appendnewline未修复此问题。
谁能检查一下并提出建议吗。。

aoyhnmkz

aoyhnmkz1#

替换

agent1.sinks.c1s1.hdfs.serializer = text
agent1.sinks.c1s1.hdfs.serializer.appendNewline = false

具有

agent1.sinks.c1s1.serializer = text
agent1.sinks.c1s1.serializer.appendNewline = false

不同之处在于序列化程序设置不是在hdfs前缀上设置的,而是直接在接收器名称上设置的。
flume文档应该有一些这样的例子,因为我也遇到了一些问题,因为我没有发现序列化程序设置在不同的属性名级别上。
有关hdfs接收器的更多信息,请参见:https://flume.apache.org/flumeuserguide.html#hdfs-Flume

sq1bmfud

sq1bmfud2#

更换flume agent中的下面一行。

agent1.sinks.c1s1.serializer.appendNewline = false

用下面这句话告诉我进展如何。

agent1.sinks.c1s1.hdfs.serializer.appendNewline = false

相关问题