Calculates number of restarting containers. There are 2 more functions which are often used with counters. histogram_quantile (0.99, rate (stashdef_kinesis_message_write_duration_seconds_bucket [1m])) Here we can see that our 99%th percentile publish duration is usually 300ms, jumping up to 700ms occasionally. To learn more, see our tips on writing great answers. Which reverse polarity protection is better and why? Of course, Prometheus will extrapolate it to 75 seconds but we de-extrapolate it manually back to 60 and now our charts are both precise and provide us with the data one whole-minute boundaries as well. To learn more about our mission to help build a better Internet, start here. There are two basic types of queries we can run against Prometheus. in. on top of the simple alert definitions. Calculates number of OOM killed containers. For more information, see Collect Prometheus metrics with Container insights. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Blackbox Exporter alert with value of the "probe_http_status_code" metric, How to change prometheus alert manager port address, How can we write alert rule comparing with the previous value for the prometheus alert rule, Prometheus Alert Manager: How do I prevent grouping in notifications, How to create an alert in Prometheus with time units? At the core of Prometheus is a time-series database that can be queried with a powerful language for everything - this includes not only graphing but also alerting. alertmanager routes the alert to prometheus-am-executor which executes the For example, if the counter increased from. Under Your connections, click Data sources. Prometheus works by collecting metrics from our services and storing those metrics inside its database, called TSDB. It does so in the simplest way possible, as its value can only increment but never decrement. rev2023.5.1.43405. Prometheus extrapolates that within the 60s interval, the value increased by 1.3333 in average. xcolor: How to get the complementary color. rebooted. the form ALERTS{alertname="