anchor.diff:      queue_size of `1000`.
   
   `analyze`::
  -    For analyze requests. Thread pool type is `fixed` with a size of 1, queue size of 16.
  +    For analyze requests. Thread pool type is `fixed` with a size of `1`, queue 
  +    size of `16`.
   
   `write`::
       For single-document index/delete/update and bulk requests. Thread pool type
  
positive.code: will potentially adjust the `queue_size` up or down by 50 every time
  `auto_queue_frame_size` operations have been completed.
  
  The `size` parameter controls the number of threads, and defaults to the
  number of cores times 5.
  
  The `queue_size` allows to control the initial size of the queue of pending
  requests that have no threads to execute them.
  
negative.code: There are several thread pools, but the important ones include:
  
  `generic`::
      For generic operations (for example, background node discovery).
      Thread pool type is `scaling`.
  
  `search`::
  