HStream Metrics

Table of metrics, and for usage, please refer to Monitoring chapter.

Note: For metrics with intervals, such as stats in categories like stream and subscription, users can specify intervals (default intervals [1min, 5min, 10min]). The smaller the interval, the closer it gets to the rate in real-time.

Category Metrics Unit Description
stream_counter append_total # Total number of append requests of a stream
append_failed # Total number of failed append request of a stream
stream append_in_bytes B/s Rate of bytes received and successfully written to the stream.
append_in_records #/s Rate of records received and successfully written to the stream
append_in_requests #/s (QPS) Rate of append requests received per stream
append_failed_requests #/s (QPS) Rate of failed append requests received per stream
subscription_counter resend_records # Total number of resent records per subscription
subscription send_out_bytes B/s Rate of bytes sent by the server per subscription
acks / acknowledgements #/s Rate of acknowledgements received per subscription
request_messages #/s Rate of requests received from clients per subcription
response_messages #/s Rate of response sent to clients per subscription