Task Scheduling
Cron jobs, intervals, timeouts, dynamic scheduling, distributed scheduling
1What is the official npm package used by NestJS for managing scheduled tasks?
What is the official npm package used by NestJS for managing scheduled tasks?
답변
@nestjs/schedule is the official package integrated with NestJS for managing cron jobs, intervals, and timeouts. It relies on the node-cron package under the hood. Installing this package enables the use of @Cron, @Interval, and @Timeout decorators in providers.
2How to enable the scheduling module in a NestJS application?
How to enable the scheduling module in a NestJS application?
답변
Importing ScheduleModule.forRoot() in the application's root module enables the scheduling system. This method initializes the scheduler and allows the use of scheduled task decorators throughout the application. Without this import, scheduled tasks will not execute.
3Which cron syntax allows executing a task every day at midnight?
Which cron syntax allows executing a task every day at midnight?
답변
The cron syntax '0 0 * * *' means: minute 0, hour 0, every day of the month, every month, every day of the week. This is the standard expression for scheduling a daily task at midnight. The cron format follows the order: minute hour day month day-of-week.
How to create a cron job that runs every 5 minutes in NestJS?
What is the advantage of using CronExpression.EVERY_HOUR instead of '0 * * * *'?
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