This topic describes the monitoring metrics related to LogService RPC requests.
logservice_rpc_request_success_count
Metric description
The average number of successful RPC requests per second, categorized by service and method.
Metric parameters
Metrics |
Metric Name |
unit |
|---|---|---|
| rpc_request_total{status="ok"} | logservice_rpc_request_success_count | times/s |
Calculation expression
sum(rate(rpc_request_total{status="ok",@LABELS}[@INTERVAL])) by (@GBLABELS)
Prometheus collection
Collect the rpc_request_total metric from http://127.0.0.1:${monagent.logservice.exporter.port}/metrics`` usingprometheusInput`.
logservice_rpc_request_error_count
Metric description
The average number of RPC request errors per second, categorized by service and method.
Metric parameters
Metrics |
Metric Name |
unit |
|---|---|---|
| rpc_request_total{status!="ok"} | logservice_rpc_request_error_count | times/s |
Calculation expression
sum(rate(rpc_request_total{status!="ok",@LABELS}[@INTERVAL])) by (@GBLABELS)
Prometheus collection
Collect the rpc_request_total metric from http://127.0.0.1:${monagent.logservice.exporter.port}/metrics`` usingprometheusInput`.
logservice_rpc_requestP95_duration_ms
Metric description
The P95 percentile of RPC processing duration, categorized by service and method.
Metric parameters
Metrics |
Metric Name |
unit |
|---|---|---|
| rpc_request_duration_seconds_bucket | logservice_rpc_requestP95_duration_ms | ms |
Calculation expression
1000 * histogram_quantile(0.95, sum(rate(rpc_request_duration_seconds_bucket{@LABELS}[@INTERVAL])) by (@GBLABELS,le))
Prometheus collection
Collect the rpc_request_duration_seconds_bucket histogram metric from http://127.0.0.1:${monagent.logservice.exporter.port}/metrics`` usingprometheusInput`.
logservice_rpc_requestP99_duration_ms
Metric description
The P99 percentile of RPC processing duration, categorized by service and method. This metric is used for the logservice_rpc_request_timeout alert (threshold ≥ 1000 ms).
Metric parameters
Metrics |
Metric Name |
unit |
|---|---|---|
| rpc_request_duration_seconds_bucket | logservice_rpc_requestP99_duration_ms | ms |
Calculation expression
1000 * histogram_quantile(0.99, sum(rate(rpc_request_duration_seconds_bucket{@LABELS}[@INTERVAL])) by (@GBLABELS,le))
Prometheus collection
Collect the rpc_request_duration_seconds_bucket histogram metric from http://127.0.0.1:${monagent.logservice.exporter.port}/metrics`` usingprometheusInput`.
logservice_rpc_inflight_requests
Metric description
The number of RPC requests currently being processed, categorized by service and method.
Metric parameters
Metrics |
Metric Name |
unit |
|---|---|---|
| rpc_inflight_requests | logservice_rpc_inflight_requests | - |
Calculation expression
avg(rpc_inflight_requests{@LABELS}) by (@GBLABELS)
Prometheus collection
Collect the rpc_inflight_requests metric from http://127.0.0.1:${monagent.logservice.exporter.port}/metrics`` usingprometheusInput`.