Merge pull request #557 from chenkaiyue/mem-percent-watermark

Mem usage/percent watermark

Author: chenkaiyue

examples/ensurance/evict-on-cpu-usage-percent/elastic-pod-qos.yaml

@@ -5,9 +5,6 @@ metadata:
 spec:
   allowedActions:
     - eviction
-  resourceQOS:
-    cpuQOS:
-      cpuPriority: 7
   labelSelector:
     matchLabels:
       preemptible_job: "true"

examples/ensurance/evict-on-cpu-usage-percent/pod.yaml

@@ -8,12 +8,12 @@ metadata:
 spec:
   containers:
     - command:
-        - stress-nga
+        - stress-ng
         - -c
         - "2"
         - --cpu-method
         - cpuid
-      image: ccr.ccs.tencentyun.com/tkeimages/stress-ng:v0.12.09.ln
+      image: docker.io/gocrane/stress-ng:v0.12.09
       imagePullPolicy: IfNotPresent
       name: low
       resources:

examples/ensurance/evict-on-cpu-usage-percent/waterline.yaml renamed to examples/ensurance/evict-on-cpu-usage-percent/watermark.yaml

@@ -5,11 +5,6 @@ metadata:
 spec:
   allowedActions:
     - eviction
-  resourceQOS:
-    cpuQOS:
-      cpuPriority: 7
-      htIsolation:
-        enable: false
   scopeSelector:
     matchExpressions:
       - operator: In

examples/ensurance/evict-on-cpu-usage-total/be-rules.yaml

@@ -0,0 +1,10 @@
+apiVersion: ensurance.crane.io/v1alpha1
+kind: PodQOS
+metadata:
+  name: all-elastic-pods
+spec:
+  allowedActions:
+    - eviction
+  labelSelector:
+    matchLabels:
+      preemptible_job: "true"

examples/ensurance/evict-on-mem-usage-percent/elastic-pod-qos.yaml

@@ -0,0 +1,9 @@
+apiVersion: ensurance.crane.io/v1alpha1
+kind: AvoidanceAction
+metadata:
+  name: eviction
+spec:
+  coolDownSeconds: 300
+  description: evict low priority pods
+  eviction:
+    terminationGracePeriodSeconds: 30

examples/ensurance/evict-on-mem-usage-percent/eviction-action.yaml

@@ -0,0 +1,40 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: low-pi1
+  labels:
+    k8s-app: low
+    preemptible_job: "true"
+spec:
+  containers:
+    - image: docker.io/gocrane/stress-ng:v0.12.09
+      command:
+        - stress-ng
+        - --vm-hang
+        - "3600"
+        - --vm
+        - "2"
+        - --vm-bytes
+        - "2G"
+      name: stress
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: low-pi2
+  labels:
+    k8s-app: low
+    preemptible_job: "true"
+spec:
+  containers:
+    - image: docker.io/gocrane/stress-ng:v0.12.09
+      command:
+        - stress-ng
+        - --vm-hang
+        - "3600"
+        - --vm
+        - "2"
+        - --vm-bytes
+        - "3.5G"
+      name: stress
+

examples/ensurance/evict-on-mem-usage-percent/pod.yaml

@@ -0,0 +1,18 @@
+apiVersion: ensurance.crane.io/v1alpha1
+kind: NodeQOS
+metadata:
+  name: eviction-on-high-mem-usage-percent
+spec:
+  nodeQualityProbe:
+    nodeLocalGet:
+      localCacheTTLSeconds: 60
+    timeoutSeconds: 10
+  rules:
+    - actionName: eviction
+      avoidanceThreshold: 2
+      metricRule:
+        name: memory_total_utilization
+        value: 50
+      name: mem-usage-percent
+      restoreThreshold: 2
+      strategy: None

examples/ensurance/evict-on-mem-usage-percent/watermark.yaml

@@ -0,0 +1,10 @@
+apiVersion: ensurance.crane.io/v1alpha1
+kind: PodQOS
+metadata:
+  name: all-elastic-pods
+spec:
+  allowedActions:
+    - eviction
+  labelSelector:
+    matchLabels:
+      preemptible_job: "true"

examples/ensurance/evict-on-mem-usage-total/elastic-pod-qos.yaml

@@ -0,0 +1,9 @@
+apiVersion: ensurance.crane.io/v1alpha1
+kind: AvoidanceAction
+metadata:
+  name: eviction
+spec:
+  coolDownSeconds: 300
+  description: evict low priority pods
+  eviction:
+    terminationGracePeriodSeconds: 30