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Without going into any platform specific implementation details, this is what the process looks like

When a new schedule is added, jobs are created for upcoming execution times, which are calculated for the next two hours and added to our cron queue A special job is added to be run every hour, it will run over all the schedules, calculate and add their execution time to the scheduled queue, two hours into the future Workers will be polling the database every second to find jobs Once an entry comes up, it is removed from the queue and added to another Sorted Set queue, so we dont “forget” any jobs..

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asked 12 Dec '18, 19:19

%E8%B7%AF%E4%BA%BA%E7%94%B2's gravatar image

路人甲
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question asked: 12 Dec '18, 19:19

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