Keyless Backend Metrics

Connection Metrics

No extra tags.

The metric names are:

• backend.keyless.connection.attempt

  type: count

  Show the connect attempt count.

• backend.keyless.connection.established

  type: count

  Show the count of successful connection.

• backend.keyless.channel.alive

  type: gauge

  Show the alive channel numbers. The channel may be a TCP connection or a QUIC stream.

Request Metrics

• backend.keyless.request.recv

  type: count

  Show the count of requests received.

• backend.keyless.request.send

  type: count

  Show the count of requests sent to the target peer.

• backend.keyless.request.drop

  type: count

  Show the count of requests that get dropped internally.

• backend.keyless.request.timeout

  type: count

  Show the count of requests that timed out to get response.

• backend.keyless.response.recv

  type: count

  Show the count of responses received from the target peer.

• backend.keyless.response.send

  type: count

  Show the count of responses sent to the client.

• backend.keyless.response.drop

  type: count

  Show the count of responses that get dropped internally.

Duration Metrics

The following tag is also set:

• quantile

The metric names are:

• backend.keyless.connect.duration

  type: gauge

  Show the connect duration stats.

• backend.keyless.wait.duration

  type: gauge

  Show the internal queue wait duration stats.

• backend.keyless.response.duration

  type: gauge

  Show the upstream response duration stats.