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MongoDB 在查询优化过程中，可能会排除命中多个索引的查询计划，这通常与其 查询优化器 (Query Planner) 选择执行计划 的策略有关。
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结合 node-cron、Express、PM2 实现稳定的定时任务时,需要考虑任务管理和 PM2 多进程冲突.- Published on
在 Express 中,你可以在 controller 层抛出异常,而不需要在每个 server 层使用 try-catch 来捕获异常.最佳实践是通过全局错误处理中间件来统一处理异常.这样可以更简洁地管理错误逻辑,避免冗余的 try-catch 代码.