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52 lines
2.1 KiB
52 lines
2.1 KiB
# ----------------------------- |
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# 基础设置 |
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# ----------------------------- |
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listen_addresses = '*' # 仅允许本地连接（由 Docker 网络控制访问） |
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port = 5432 |
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max_connections = 100 # 根据应用连接池调整（如 pgbouncer 可设更低） |
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# ----------------------------- |
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# 内存配置（根据主机内存调整） |
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# ----------------------------- |
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shared_buffers = 256MB # 推荐为物理内存的 25%，但不超过 8GB |
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effective_cache_size = 1GB # 推荐为物理内存的 50%~75% |
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work_mem = 8MB # 每个排序/哈希操作可用内存（高并发时勿过大） |
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maintenance_work_mem = 128MB # VACUUM、CREATE INDEX 等维护操作内存 |
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# ----------------------------- |
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# WAL 与可靠性（关键！） |
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# ----------------------------- |
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wal_level = replica # 支持流复制和 PITR 备份 |
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synchronous_commit = on # 保证事务持久性（若可容忍少量丢失，可设为 off 提升性能） |
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checkpoint_timeout = 15min # 减少检查点抖动 |
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checkpoint_completion_target = 0.9 |
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archive_mode = on # 启用归档（配合 wal-g/pgBackRest） |
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archive_command = '/bin/true' # 实际备份工具会覆盖此命令，此处先占位 |
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# ----------------------------- |
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# 日志（便于运维） |
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# ----------------------------- |
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log_destination = 'stderr' |
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logging_collector = on |
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log_directory = 'log' |
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log_filename = 'postgresql-%Y-%m-%d.log' |
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log_statement = 'none' # 生产建议为 'none' 或 'error'，避免性能开销 |
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log_timezone = 'Asia/Shanghai' |
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log_min_duration_statement = 1000 # 记录执行超过 1 秒的慢查询（单位：毫秒） |
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# ----------------------------- |
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# 时区与区域 |
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# ----------------------------- |
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timezone = 'Asia/Shanghai' |
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lc_messages = 'en_US.UTF-8' |
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lc_monetary = 'en_US.UTF-8' |
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lc_numeric = 'en_US.UTF-8' |
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lc_time = 'en_US.UTF-8' |
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# ----------------------------- |
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# 其他安全建议 |
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# ----------------------------- |
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password_encryption = scram-sha-256 # 强制使用 SCRAM-SHA-256 密码加密 |
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# 禁用ssl |
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ssl = off |