Buffer

The buffer filter is used to stop filter iteration and wait for a fully buffered complete request. This is useful in different situations including protecting some applications from having to deal with partial requests and high network latency.

{
  "name": "buffer",
  "config": {
    "max_request_bytes": "...",
    "max_request_time_s": "..."
  }
}

max_request_bytes

(required, integer) The maximum request size that the filter will before the connection manager will stop buffering and return a 413 response.

max_request_time_s

(required, integer) The maximum amount of time that the filter will wait for a complete request before returning a 408 response.

Statistics

The buffer filter outputs statistics in the http.<stat_prefix>.buffer. namespace. The stat prefix comes from the owning HTTP connection manager.

Name	Type	Description
rq_timeout	Counter	Total requests that timed out waiting for a full request