**redis.yaml** ```bash --- kind: ConfigMap apiVersion: v1 metadata: name: redis-config namespace: tools-env labels: app: redis data: redis.conf: |- dir /data port 6379 bind 0.0.0.0 appendonly yes protected-mode no requirepass super pidfile /data/redis-6379.pid maxmemory 1073741824 --- apiVersion: v1 kind: PersistentVolumeClaim metadata: name: redis namespace: tools-env spec: storageClassName: managed-nfs-storage accessModes: - ReadWriteOnce resources: requests: storage: 10Gi --- apiVersion: v1 kind: Service metadata: name: redis namespace: tools-env labels: app: redis spec: ports: - name: redis port: 6379 targetPort: 6379 selector: app: redis --- apiVersion: apps/v1 kind: Deployment metadata: name: redis namespace: tools-env labels: app: redis spec: replicas: 1 selector: matchLabels: app: redis template: metadata: labels: app: redis spec: #进行初始化操作,修改系统配置,解决Redis启动时提示的警告信息 initContainers: - name: system-init image: busybox:1.32 imagePullPolicy: IfNotPresent command: - "sh" - "-c" - "echo 2000 > /proc/sys/net/core/somaxconn && echo never > /sys/kernel/mm/transparent_hugepage/enabled" securityContext: privileged: true runAsUser: 0 volumeMounts: - name: sys mountPath: /sys containers: - name: redis image: redis:5.0.8 command: - "sh" - "-c" - "redis-server /usr/local/etc/redis/redis.conf" ports: - containerPort: 6379 resources: limits: cpu: 1000m memory: 1024Mi #注意这里的内存限制要和上面的ConfigMap中maxmemory参数限制的内存大小保持一致 requests: cpu: 1000m memory: 1024Mi livenessProbe: tcpSocket: port: 6379 initialDelaySeconds: 300 timeoutSeconds: 1 periodSeconds: 10 successThreshold: 1 failureThreshold: 3 readinessProbe: tcpSocket: port: 6379 initialDelaySeconds: 5 timeoutSeconds: 1 periodSeconds: 10 successThreshold: 1 failureThreshold: 3 volumeMounts: - name: data mountPath: /data - name: config mountPath: /usr/local/etc/redis/redis.conf subPath: redis.conf volumes: - name: data persistentVolumeClaim: claimName: redis - name: config configMap: name: redis-config - name: sys hostPath: path: /sys [root@k8s01 tools-env]# kubectl apply -f redis.yaml configmap/redis-config created persistentvolumeclaim/redis created service/redis created deployment.apps/redis created [root@k8s01 tools-env]# kubectl get -n tools-env po NAME READY STATUS RESTARTS AGE redis-78df9698c9-tvwms 1/1 Running 0 31s [root@k8s01 tools-env]# kubectl get -n tools-env svc redis ClusterIP 10.96.70.24 <none> 6379/TCP 31s [root@k8s01 tools-env]# kubectl exec -it -n tools-env redis-78df9698c9-tvwms bash root@redis-78df9698c9-tvwms:/data# redis-cli -a super 127.0.0.1:6379> ping PONG 127.0.0.1:6379> ``` **maxmemory参数用于配置Redis可用最大内存数，单位为字节，1073741824=1G大小，下面Deployment 部署时候的 limit 要和该限制的大小保持一致！**