Metrics
The METRICS tab displays quick real-time metrics that show the behaviour of a service. To access it, select a service on the list of the Services screen (or after clicking a mesh card on the Meshes screen).
![metrics](_images/metrics.png)
To view service metrics, your user must have the Read Metrics permission enabled in Sensedia Access Control. |
Time filters
You can filter the information exhibited on the charts based on a time period.
![metrics filters](_images/metrics_filters.png)
There are two fields to define it:
-
Time Range: defines the total period that must be considered. Options: last minute, last 5, 10 or 30 minutes, last hour, last 3 or 6 hours.
-
Refresh Interval: defines the frequency with which the information exhibited is updated. Options: pause, every 10, 15 or 30 seconds, every minute, every 5 or 15 minutes.
For instance, if you choose the last 5 minutes as the time range and a refresh interval of 15 seconds, the metrics will be compiled every 15 seconds and the graphs will display a period of 5 minutes along the x axis.
Available graphs
Request Volume
![metrics request volume](_images/metrics_request-volume.png)
The graph shows the total volume of requests received by the service, in operations per second (ops).
Request Duration
![metrics request duration](_images/metrics_request-duration.png)
It displays average request durations in milliseconds (ms). The lines represent the mean (avg) and these percentiles: p50 (median), p95, p99 and p99.9.
Request Size
![metrics request size](_images/metrics_request-size.png)
It displays the average request sizes in bytes. The lines represent the mean (avg) and these percentiles: p50 (median), p95, p99 and p99.9.
Response Size
![metrics response size](_images/metrics_response-size.png)
It displays average response sizes in bytes. The lines represent the mean (avg) and these percentiles: p50 (median), p95, p99 and p99.9.
You may click the points along the lines to see the exact numbers: ![]() |
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