Da farko bayyana ma’anar “node ɗaya kawai yana gudanar da cronjob”. Hana execution na lokaci guda da hana maimaita sakamakon kasuwanci buƙatu ne daban. Shared scheduler yana daidaita execution; aikin kansa dole ya kasance amintacce bayan crash da retry.
Ka ɗauki aikin invoice na kullum da aka saka a nodes uku na NestJS. Muna son aikin ya gudana, amma kada sake farawar worker ya ƙirƙiri wani invoice.
1. Fahimci dalilin da duk nodes suke fara aikin
Kowane application instance yana rajistar cron callback nasa. A lokacin da aka tsara, kowanne zai iya farawa da kansa:
