anchor.diff:  `-1` which means its unbounded. When a request comes in and the queue is
   full, it will abort the request.
   
  -[source,js]
  +[source,yaml]
   --------------------------------------------------
   threadpool:
       index:
  
positive.code: are wrongly detected, in such cases, the number of processors can be
  explicitly set using the `processors` setting.
  
  In order to check the number of processors detected, use the nodes info
  API with the `os` flag.
  
negative.code: The `keep_alive` parameter determines how long a thread should be kept
  around in the thread pool without doing any work.
  
  [source,yaml]
  --------------------------------------------------
  threadpool:
      generic:
  