input {

  redis {
#    data_type => ... # ["list", "channel", "pattern_channel"]
#    password => ... # password
#    port => ... # number, default: 6379
#    tags => ... # array
#    timeout => ... # number, default: 5
    host => "redis.example.com"
    data_type => [ "list" ]
    key => "logstash"
    type => "all"
  }

}