Metrics

Since 0.4, this driver supports following metrics targets, you can check the example under examples/Metrics to see how to expose a prometheus interface.
You can also check the document of metrics report from seastar's repository.

pool_connections_total

The total number of connections opened.

pool_connections_current

The current number of open connections.

connection_initialize_errors

The total number of errors while initializing connections.

connection_send_message_errors

The total number of errors while sending messages.

connection_receive_message_errors

The total number of errors while receiving messages.

connection_messages_sent

The total number of messages sent.

connection_messages_received

The total number of messages received.

session_command_successful

The total number of QUERY or EXECUTE command successfully executed.

session_command_failed

The total number of QUERY or EXECUTE command failed to execute.

session_batch_command_successful

The total number of BATCH command successfully executed.

session_batch_command_failed

The total number of BATCH command failed to execute.