anchor.diff:  
   ===== bulk_max_size
   
  -The maximum number of events to bulk in a single Redis rpush request or pipeline
  -on network. The default is 2048.
  +The maximum number of events to bulk in a single Redis request or pipeline. The default is 2048.
   
   If the Beat sends single events, the events are collected into batches. If the
   Beat publishes a large batch of events (larger than the value specified by
  
positive.code: 
  ===== hosts
  
  The list of Redis server to connect to. If load balancing is enabled events are
  distributed to these servers. If one server becomes unreachable, the events are
  distributed to the reachable servers only. Each Redis server can be defined as
  `HOST` or `HOST:PORT`. For example: "192.15.3.2", "test.redis.io:12345". If no
  port is specified the value configured by `port` will be used.
  
  ===== port
  
  Redis default port if hosts do not contain port number. The default is 6379.
  
  ===== index
  
  
negative.code: [[redis-proxy-use-local-resolver]]
  ===== proxy_use_local_resolver
  
  This option determines whether Redis hostnames are resolved locally when using a proxy.
  The default value is false, which means that name resolution occurs on the proxy server.
  
  
  [[kafka-output]]
  