Jdruker: Published

2022-01-11T18:36:02Z

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Jabashree.amudha@genesys.com: Published

2021-12-20T18:03:59Z

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{{Article
|Standalone=No
|DisplayName=System metrics
|TocName=System metrics
|Context=Find useful metrics provided by Kubernetes and other system resources to monitor the status and performance of the cluster and nodes.
|ComingSoon=No
|Section={{Section
|sectionHeading=Kubernetes and Node metrics
|anchor=SystemMetrics
|alignment=Vertical
|structuredtext=In addition to the service-defined metrics described in the service-level guides (see links {{Link-AnywhereElse|product=PrivateEdition|version=Current|manual=Operations|topic=General_instructions_on_monitoring_solution_for_services|anchor=MonitoringSummary|display text=here}}), standard Kubernetes and other system metrics are obviously important for monitoring the status and performance of your cluster(s), nodes, and services.

*[[{{FULLPAGENAME}}#Kubernetes|Kubernetes metrics]]
*[[{{FULLPAGENAME}}#Node|Node metrics]]
|Status=No
}}{{Section
|sectionHeading=Kubernetes metrics
|anchor=Kubernetes
|alignment=Vertical
|structuredtext=For full information about all the cluster metrics Kubernetes provides, see the [https://kubernetes.io/docs/concepts/cluster-administration/system-metrics Kubernetes documentation]. Genesys recommends that you pay attention to the following cluster-related metrics in particular.
{{{!}} class="sortable"
!'''Metric'''
!'''Prometheus formula'''
!'''Indicator of'''
{{!}}-
{{PESystemMetric
{{!}}Metric=Pod Restarts
{{!}}MetricDescription=
{{!}}PrometheusFormula=increase(kube_pod_container_status_restarts_total{namespace="$namespace", pod=~"$service.*"})[1m]
{{!}}Type=Kubernetes
{{!}}UsedFor=
}}
{{PESystemMetric
{{!}}Metric=The cgroup's total memory
{{!}}MetricDescription=
{{!}}PrometheusFormula=sum(container_memory_usage_bytes{namespace="$namespace",pod=~"$service-.*", container!=""}) by (pod)
{{!}}Type=Kubernetes
{{!}}UsedFor=Memory
}}
{{PESystemMetric
{{!}}Metric=The cgroup's CPU usage
{{!}}MetricDescription=
{{!}}PrometheusFormula=sum (rate (container_cpu_usage_seconds_total{namespace="$namespace",pod=~"$service-.*", container!="POD"}[1m])) by (pod) * 100
{{!}}Type=Kubernetes
{{!}}UsedFor=CPU utilization
}}
{{PESystemMetric
{{!}}Metric=Bytes transmitted over the network by the container
{{!}}MetricDescription=
{{!}}PrometheusFormula=rate(container_network_transmit_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
{{!}}Type=Kubernetes
{{!}}UsedFor=
}}
{{PESystemMetric
{{!}}Metric=Bytes received over the network by the container
{{!}}MetricDescription=
{{!}}PrometheusFormula=rate(container_network_receive_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
{{!}}Type=Kubernetes
{{!}}UsedFor=
}}
{{!}}}
|Status=No
}}{{Section
|sectionHeading=Node metrics
|anchor=Node
|alignment=Vertical
|structuredtext=Genesys recommends that you pay attention to the following node-related metrics in particular.
{{{!}} class="sortable"
! '''Metric'''
! '''Prometheus formula'''
! '''Indicator of'''
{{PESystemMetric
{{!}}Metric=Process HEAP All
{{!}}MetricDescription=
{{!}}PrometheusFormula={SERVICE_NAME}_process_heap_bytes{pod=~"$pod",service="$service"}
{{!}}Type=Node
{{!}}UsedFor=Heap status
}}
{{PESystemMetric
{{!}}Metric=Process CPU All
{{!}}MetricDescription=
{{!}}PrometheusFormula=sum(rate({SERVICE_NAME}_process_cpu_seconds_total{pod=~"$pod",service="$service"}[30s]) * 100) by (pod)
{{!}}Type=Node
{{!}}UsedFor=CPU utilization
}}
{{PESystemMetric
{{!}}Metric=Process Memory All: resident memory
{{!}}MetricDescription=
{{!}}PrometheusFormula={SERVICE_NAME}_process_resident_memory_bytes{pod=~"$pod",service="$service"}
{{!}}Type=Node
{{!}}UsedFor=Memory
}}
{{PESystemMetric
{{!}}Metric=Process Memory All: virtual memory
{{!}}MetricDescription=
{{!}}PrometheusFormula={SERVICE_NAME}_process_virtual_memory_bytes{pod=~"$pod",service="$service"}
{{!}}Type=Node
{{!}}UsedFor=Memory
}}
{{!}}}
|Status=No
}}
}}

@@ Line 25: / Line 25: @@
 {{!}}-
 {{PESystemMetric
-{{!}}Metric=Pod Restarts
+|Metric=Pod Restarts
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=increase(kube_pod_container_status_restarts_total{namespace="$namespace", pod=~"$service.*"})[1m]
+|PrometheusFormula=increase(kube_pod_container_status_restarts_total{namespace="$namespace", pod=~"$service.*"})[1m]
-{{!}}Type=Kubernetes
+|Type=Kubernetes
-{{!}}UsedFor=
+|UsedFor=
 }}
 {{PESystemMetric
-{{!}}Metric=The cgroup's total memory
+|Metric=The cgroup's total memory
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=sum(container_memory_usage_bytes{namespace="$namespace",pod=~"$service-.*", container!=""}) by (pod)
+|PrometheusFormula=sum(container_memory_usage_bytes{namespace="$namespace",pod=~"$service-.*", container!=""}) by (pod)
-{{!}}Type=Kubernetes
+|Type=Kubernetes
-{{!}}UsedFor=Memory
+|UsedFor=Memory
 }}
 {{PESystemMetric
-{{!}}Metric=The cgroup's CPU usage
+|Metric=The cgroup's CPU usage
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=sum (rate (container_cpu_usage_seconds_total{namespace="$namespace",pod=~"$service-.*", container!="POD"}[1m])) by (pod) * 100
+|PrometheusFormula=sum (rate (container_cpu_usage_seconds_total{namespace="$namespace",pod=~"$service-.*", container!="POD"}[1m])) by (pod) * 100
-{{!}}Type=Kubernetes
+|Type=Kubernetes
-{{!}}UsedFor=CPU utilization
+|UsedFor=CPU utilization
 }}
 {{PESystemMetric
-{{!}}Metric=Bytes transmitted over the network by the container
+|Metric=Bytes transmitted over the network by the container
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=rate(container_network_transmit_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
+|PrometheusFormula=rate(container_network_transmit_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
-{{!}}Type=Kubernetes
+|Type=Kubernetes
-{{!}}UsedFor=
+|UsedFor=
 }}
 {{PESystemMetric
-{{!}}Metric=Bytes received over the network by the container
+|Metric=Bytes received over the network by the container
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=rate(container_network_receive_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
+|PrometheusFormula=rate(container_network_receive_bytes_total{namespace="$namespace",pod=~"$service-.*", container!=""}[1m])
-{{!}}Type=Kubernetes
+|Type=Kubernetes
-{{!}}UsedFor=
+|UsedFor=
 }}
 {{!}}}
@@ Line 71: / Line 71: @@
 ! '''Indicator of'''
 {{PESystemMetric
-{{!}}Metric=Process HEAP All
+|Metric=Process HEAP All
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula={SERVICE_NAME}_process_heap_bytes{pod=~"$pod",service="$service"}
+|PrometheusFormula={SERVICE_NAME}_process_heap_bytes{pod=~"$pod",service="$service"}
-{{!}}Type=Node
+|Type=Node
-{{!}}UsedFor=Heap status
+|UsedFor=Heap status
 }}
 {{PESystemMetric
-{{!}}Metric=Process CPU All
+|Metric=Process CPU All
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula=sum(rate({SERVICE_NAME}_process_cpu_seconds_total{pod=~"$pod",service="$service"}[30s]) * 100) by (pod)
+|PrometheusFormula=sum(rate({SERVICE_NAME}_process_cpu_seconds_total{pod=~"$pod",service="$service"}[30s]) * 100) by (pod)
-{{!}}Type=Node
+|Type=Node
-{{!}}UsedFor=CPU utilization
+|UsedFor=CPU utilization
 }}
 {{PESystemMetric
-{{!}}Metric=Process Memory All: resident memory
+|Metric=Process Memory All: resident memory
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula={SERVICE_NAME}_process_resident_memory_bytes{pod=~"$pod",service="$service"}
+|PrometheusFormula={SERVICE_NAME}_process_resident_memory_bytes{pod=~"$pod",service="$service"}
-{{!}}Type=Node
+|Type=Node
-{{!}}UsedFor=Memory
+|UsedFor=Memory
 }}
 {{PESystemMetric
-{{!}}Metric=Process Memory All: virtual memory
+|Metric=Process Memory All: virtual memory
-{{!}}MetricDescription=
+|MetricDescription=
-{{!}}PrometheusFormula={SERVICE_NAME}_process_virtual_memory_bytes{pod=~"$pod",service="$service"}
+|PrometheusFormula={SERVICE_NAME}_process_virtual_memory_bytes{pod=~"$pod",service="$service"}
-{{!}}Type=Node
+|Type=Node
-{{!}}UsedFor=Memory
+|UsedFor=Memory
 }}
 {{!}}}

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