https://www.chenshaowen.com/en/tags/promql/Recent content in PromQL on Shaowen Chen's WebsiteHugo -- gohugo.ioen©2016 - {year}, All Rights Reserved.Sun, 21 Aug 2022 11:22:55 +0000weeklyhttps://www.chenshaowen.com/en/blog/some-common-promql-for-alarming.htmlSun, 21 Aug 2022 11:22:55 +0000Sun, 21 Aug 2022 11:22:55 +0000https://www.chenshaowen.com/en/blog/some-common-promql-for-alarming.htmlHosts Host memory usage exceeds threshold 1 - node_memory_MemAvailable_bytes{mode!="idle"} / node_memory_MemTotal_bytes Threshold: 0.9 Host CPU usage exceeds threshold 1 - avg(irate(node_cpu_seconds_total{mode="idle"}[5m])) by (host_name) Threshold: 0.85 Host disk usage exceeds threshold 1 - avg without (fstype)(node_filesystem_free_bytes{fstype!='rootfs',mountpoint!~'/(run|var|snap).*'} / node_filesystem_size_bytes{fstype!='rootfs',mountpoint!~'/(run|var|snap).*'}) Threshold: 0.8 Windows Windows host memory usage exceeds threshold 1 - 1 * windows_os_physical_memory_free_bytes{job="windows_exporter",mode!微信公众号PrometheusAlertingMonitoringOperationsPromQL