This is a receiver for Envoy Metrics format, which is defined at https://github.com/envoyproxy/envoy/blob/v1.17.4/api/envoy/service/metrics/v2/metrics_service.proto.
# The time interval between two flush operations. And the time unit is millisecond. flush_time: 1000 # The max cache count when receive the message limit_count: 500
|flush_time||int||The time interval between two flush operations. And the time unit is millisecond.|
|limit_count||int||The max cache count when receive the message|