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云计算
Pod内存使用率的计算
Pod 内存使用率的计算就简单多了,直接用内存实际使用量除以内存限制使用量即可:
cadvisor容器 内存使用率大于90%
sum by(name, id, job, node) (container_memory_rss{image!=,job=ali-prod-executor-cadvisor}) / sum by(name, id, job, node) (container_spec_memory_limit_bytes{image!=,job=ali-prod-executor-cadvisor}) * 100 != +Inf > 80
k8s方式 方法1
avg by(pod_name) (container_memory_usage_bytes{pod_name!=,image!~.*pause-amd64:1031|.*pause-amd64:3.0} / container_spec_memory_limit_bytes{pod_name!=,image!~.*pause-amd64:1031|.*pause-amd64:3.0}) * 100 > 90
方法2
sum by(pod_name, namespace, job) (container_memory_working_set_bytes{image!=,image!~xxxxx.com/xxs/pause.+,job!=xxxd-executor-cadvisor}) / sum by(pod_name, namespace, job) (container_spec_memory_limit_bytes{image!=,image!~reg.linkdoc-inc.com/ops/pause.+,job!=ali-prod-executor-cadvisor}) * 100 != +Inf > 90
容器的CPU使用率:
sum by(pod_name, namespace, job) (rate(container_cpu_usage_seconds_total{image!=}[1m])) / (sum by(pod_name, namespace, job) (container_spec_cpu_quota{image!=} / 100000)) * 100 > 90
容器入带宽大于50M
sum by (namespace,job,pod_name) (irate(container_network_receive_bytes_total{image!=}[3m])) / 1024 /1024 > 50
容器出带宽大于50M
sum by (namespace,job,pod_name) (irate(container_network_transmit_bytes_total{image!=}[1m])) / 1024 /1024 > 50