wangbo
0b9634b74c
将生产 archive_timeout 从 60 秒调整为 5 分钟，避免 16 MiB WAL 段在当前宁波香港链路上持续产生高于复制吞吐的空闲流量。\n\n同步复制保持开启，双库健康时 RPO 仍为 0；单库降级时对象存储归档 RPO 保持在 5 分钟目标内。补充发布回归门禁，防止配置退回无法追平的 60 秒。\n\n验证：kubectl kustomize、bash -n、ShellCheck、manual-release-test。
164 lines
4.2 KiB
YAML
164 lines
4.2 KiB
YAML
apiVersion: v1
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kind: ConfigMap
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metadata:
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name: easyai-barman-aws-config
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labels:
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app.kubernetes.io/part-of: easyai-ai-gateway
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data:
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config: |
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[default]
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region = oss-cn-shanghai
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s3 =
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addressing_style = virtual
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signature_version = s3
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---
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apiVersion: barmancloud.cnpg.io/v1
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kind: ObjectStore
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metadata:
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name: easyai-postgres-oss
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labels:
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app.kubernetes.io/part-of: easyai-ai-gateway
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spec:
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retentionPolicy: 14d
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configuration:
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destinationPath: s3://wangbo0808/easyai-ai-gateway/production/postgresql
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endpointURL: https://s3.oss-cn-shanghai.aliyuncs.com
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s3Credentials:
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accessKeyId:
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name: easyai-oss-backup
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key: ACCESS_KEY_ID
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secretAccessKey:
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name: easyai-oss-backup
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key: ACCESS_SECRET_KEY
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wal:
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archiveAdditionalCommandArgs:
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- --addressing-style=virtual
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compression: gzip
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maxParallel: 2
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restoreAdditionalCommandArgs:
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- --addressing-style=virtual
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data:
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additionalCommandArgs:
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- --addressing-style=virtual
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compression: gzip
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jobs: 2
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restoreAdditionalCommandArgs:
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- --addressing-style=virtual
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instanceSidecarConfiguration:
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env:
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- name: AWS_CONFIG_FILE
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value: /projected/barman-aws/config
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- name: AWS_DEFAULT_REGION
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value: oss-cn-shanghai
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- name: AWS_REQUEST_CHECKSUM_CALCULATION
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value: when_required
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- name: AWS_RESPONSE_CHECKSUM_VALIDATION
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value: when_required
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---
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apiVersion: postgresql.cnpg.io/v1
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kind: Cluster
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metadata:
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name: easyai-postgres
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labels:
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app.kubernetes.io/name: easyai-postgres
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app.kubernetes.io/part-of: easyai-ai-gateway
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spec:
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instances: 2
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imageName: ghcr.io/cloudnative-pg/postgresql:18.4-standard-trixie@sha256:4587df73024408f5b2be9b4dd6ba2ccee8c9e5dc0c9a87c274c292291cc8a68c
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imagePullPolicy: IfNotPresent
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env:
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- name: KUBERNETES_SERVICE_HOST
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: KUBERNETES_SERVICE_PORT
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value: "6443"
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primaryUpdateStrategy: unsupervised
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primaryUpdateMethod: switchover
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failoverDelay: 0
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switchoverDelay: 60
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stopDelay: 90
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smartShutdownTimeout: 30
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livenessProbeTimeout: 300
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probes:
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liveness:
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isolationCheck:
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enabled: true
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connectionTimeout: 5000
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requestTimeout: 5000
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bootstrap:
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initdb:
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database: easyai_ai_gateway
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owner: easyai
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secret:
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name: easyai-postgres-app
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postInitSQL:
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- CREATE EXTENSION IF NOT EXISTS pgcrypto;
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storage:
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storageClass: local-path
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size: 20Gi
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walStorage:
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storageClass: local-path
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size: 5Gi
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affinity:
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enablePodAntiAffinity: true
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podAntiAffinityType: required
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topologyKey: easyai.io/site
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nodeSelector:
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easyai.io/database: "true"
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resources:
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requests:
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cpu: 500m
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memory: 1Gi
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limits:
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cpu: "2"
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memory: 3Gi
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postgresql:
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synchronous:
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method: any
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number: 1
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dataDurability: preferred
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parameters:
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# A 16 MiB WAL segment every 60 seconds requires at least 2.24 Mbit/s
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# of continuous cross-region throughput even while the database is idle.
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# The certified Ningbo/Hong Kong path is below that floor, so keep the
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# object-storage RPO within five minutes without starving sync replay.
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archive_timeout: 5min
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max_connections: "200"
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shared_buffers: 512MB
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wal_compression: "on"
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wal_keep_size: 1GB
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monitoring:
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enablePodMonitor: false
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projectedVolumeTemplate:
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defaultMode: 0444
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sources:
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- configMap:
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name: easyai-barman-aws-config
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items:
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- key: config
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path: barman-aws/config
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plugins:
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- name: barman-cloud.cloudnative-pg.io
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isWALArchiver: true
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parameters:
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barmanObjectName: easyai-postgres-oss
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---
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apiVersion: postgresql.cnpg.io/v1
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kind: ScheduledBackup
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metadata:
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name: easyai-postgres-daily
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labels:
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app.kubernetes.io/part-of: easyai-ai-gateway
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spec:
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# Six-field cron, UTC: 18:30 UTC is 02:30 Asia/Shanghai.
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schedule: "0 30 18 * * *"
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backupOwnerReference: self
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cluster:
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name: easyai-postgres
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method: plugin
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pluginConfiguration:
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name: barman-cloud.cloudnative-pg.io
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immediate: false
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suspend: false
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