Statistics

The following TLS statistics are rooted at listener.<address>.ssl.:

The following UDP statistics are available for UDP listeners and are rooted at listener.<address>.udp.:

Every listener additionally has a statistics tree rooted at listener.<address>.<handler>. which contains per-handler statistics. As described in the threading model documentation, Envoy has a threading model which includes the main thread as well as a number of worker threads which are controlled by the option. Along these lines, <handler> is equal to main_thread, worker_0, worker_1, etc. These statistics can be used to look for per-handler/worker imbalance on either accepted or active connections.

The listener manager has a statistics tree rooted at listener_manager. with the following statistics. Any character in the stats name is replaced with _.