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chore(postgres): 支持通过环境变量配置 PG 性能参数
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16
.env.example
16
.env.example
@@ -49,7 +49,7 @@ ENCRYPTION_KEY=change-this-to-another-secure-random-string
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# 启动自举管理员(仅在当前库里还没有活动管理员时生效)
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# 手动部署时取消注释并设置;install.sh 首次生成配置时会提示输入。
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ADMIN_EMAIL=admin@example.com
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ADMIN_USERNAME=admin
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ADMIN_USERNAME=admin123456
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# ADMIN_PASSWORD=
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# ==================== 可选配置(有默认值) ====================
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@@ -66,3 +66,17 @@ ADMIN_USERNAME=admin
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# AETHER_GATEWAY_DATA_POSTGRES_MAX_CONNECTIONS=20
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# AETHER_GATEWAY_DATA_POSTGRES_STATEMENT_CACHE_CAPACITY=100
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# AETHER_GATEWAY_DATA_POSTGRES_ACQUIRE_TIMEOUT_MS=3000
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# PostgreSQL 性能调优(默认值适合 2核2GB 的最小机器,按实际配置覆盖)
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# 参考:shared_buffers ≈ 可用内存 25%,effective_cache_size ≈ 可用内存 50-75%
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# work_mem 是每个连接每个排序操作的内存,不要设太大(并发数 × work_mem 是实际占用)
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# | 系统内存 | shared_buffers | effective_cache_size | work_mem |
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# | 2GB | 256MB | 768MB | 4MB |
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# | 4GB | 1GB | 3GB | 16MB |
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# | 8GB | 2GB | 6GB | 16MB |
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# | 16GB | 4GB | 12GB | 32MB |
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# | 32GB+ | 8GB | 24GB | 32MB |
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# POSTGRES_SHARED_BUFFERS=256MB
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# POSTGRES_EFFECTIVE_CACHE_SIZE=768MB
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# POSTGRES_WORK_MEM=4MB
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# POSTGRES_MAINTENANCE_WORK_MEM=64MB
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