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HDFS

This plugin based on WebHDFS api of Hadoop, it just POST data to WebHDFS port. So, it's a native Ruby code.

output {
    hadoop_webhdfs {
        workers => 2
        server => "your.nameno.de:14000"
        user => "flume"
        path => "/user/flume/logstash/dt=%{+Y}-%{+M}-%{+d}/logstash-%{+H}.log"
        flush_size => 500
        compress => "snappy"
        idle_flush_time => 10
        retry_interval => 0.5
    }
}

This plugin based on HDFS api of Hadoop, it import java classes like org.apache.hadoop.fs.FileSystem etc.

Configuration

input {
    hdfs {
        path => "/path/to/output_file.log"
        enable_append => true
    }
}

Howto run

CLASSPATH=$(find /path/to/hadoop -name '*.jar' | tr '\n' ':'):/etc/hadoop/conf:/path/to/logstash-1.1.7-monolithic.jar java logstash.runner agent -f conf/hdfs-output.conf -p /path/to/cloned/logstash-hdfs