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elasticsearch

问题

下载镜像慢

Events:
  Type     Reason            Age   From               Message
  ----     ------            ----  ----               -------
  Warning  FailedScheduling  26s   default-scheduler  0/4 nodes are available: pod has unbound immediate PersistentVolumeClaims. preemption: 0/4 nodes are available: 4 No preemption victims found for incoming pod..
  Normal   Scheduled         25s   default-scheduler  Successfully assigned es/quickstart-es-default-0 to 10.0.1.203
  Normal   Pulling           24s   kubelet            Pulling image "docker.elastic.co/elasticsearch/elasticsearch:8.11.3"
𝒊𝒄𝒖𝒓𝒗𝒆𝒔𝒕𝒂𝒓原创大约 8 分钟KubernetesKubernetesElasticsearch
部署elasticsearch错误

问题

场景

eck operator部署 elasticsearch

配置

elasticsearch-statefulset.yaml

# 测试的话记得把下面相关参数值调低
apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: quickstart
  namespace: es
spec:
  version: 8.11.3
  nodeSets:
  - name: default # sts名称就是quickstart-es-default
    count: 1 # es集群数量,因为测试环境资源较少,生产可以部署2-3个
    config:
      node.store.allow_mmap: false
    podTemplate:
      spec:
        containers:
        - name: elasticsearc
          image: easzlab.io.local:5000/elasticsearch/elasticsearch:8.11.3
          imagePullPolicy: IfNotPresent  # 或者 Never
          env:
          - name: ES_JAVA_OPTS # es用java开发的
            value: -Xms1g -Xmx1g # 资源是分配的1/2,生产需要2G-4G
          resources:
            requests:
              memory: 1.8Gi
              cpu: 0.5
            limits:
              memory: 1.8Gi
              cpu: 0.5
        initContainers:
        - name: sysctl
          securityContext:
            privileged: true
          # 初始化容器,配置内核参数
          command: ['sh', '-c', 'sysctl -w vm.max_map_count=262144']
    volumeClaimTemplates:
    - metadata:
        name: elasticsearch-data
      spec:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 5Gi # 50G可以自己适当分配
        storageClassName: nfs-boge
  http:
    tls:
      selfSignedCertificate:
        disabled: true
𝒊𝒄𝒖𝒓𝒗𝒆𝒔𝒕𝒂𝒓原创大约 4 分钟KubernetesKubernetesElasticsearch