anchor.diff:  [[configuration-output]]
   === Outputs
   
  -Starting with Beat version 0.3.0, multiple outputs can be configured for
  -exporting the correlated transactions. Currently the following output types are
  -supported:
  +Multiple outputs can be configured for exporting the correlated transactions.
  +Currently the following output types are supported:
   
   * Elasticsearch
   * Lumberjack (Logstash)
  
positive.code: was a pull request some time ago. But that's not documented yet.
  ////
  
  Inserts the transaction in a Redis list. This output plugin is compatibile with
  http://logstash.net/docs/1.4.2/inputs/redis[Redis input plugin] from Logstash,
  so Redis can be used as queue between the Beat shippers and Logstash.
  
  
negative.code: 
  The index root name where to write events to. The default is `packetbeat` and
  generates `[packetbeat-]YYYY.MM.DD` indexes (e.g. `packetbeat-2015.04.26`).
  
  The index root name where to write events to. The default is the beat its name.
  For example `packetbeat` generates `[packetbeat-]YYYY.MM.DD` indexes (e.g. `packetbeat-2015.04.26`).
  
  
  ===== max_retries
  
  