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http://jira.magnolia-cms.com/browse/MGNLSCH-37?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Milan Divilek updated MGNLSCH-37:
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Assignee: (was: Philipp Bärfuss)
Fix Version/s: 1.5.5
> Job persistence and reliability
> -------------------------------
>
> Key: MGNLSCH-37
> URL: http://jira.magnolia-cms.com/browse/MGNLSCH-37
> Project: Magnolia Scheduler Module
> Issue Type: Improvement
> Reporter: Grégory Joseph
> Priority: Major
> Fix For: 1.5.5
>
>
> This is perhaps a topic that needs discussions before implementation. Here's
> a couple of examples. Let's say I have 3 configured jobs.
> # configured to run every 5 minutes.
> # configured to run once a day at 4pm.
> # one-shot, set to run on Jan 15 at 3pm.
> Now, assume my server goes down on Jan 15 at 2pm for 3 hours. It comes back
> up at 5pm (I know this example is highly unrealistic ;))
> Here's what I'd want to happen, ideally:
> * Job {{3}} gets executed once, at startup or shortly thereafter. Ideally, it
> logs that it was supposed to be executed earlier.
> * Job {{2}} gets executed at startup or shortly thereafter. Ideally, it logs
> that it was supposed to be executed earlier. The following days, it falls
> back into it's regular 4pm schedule.
> * Job {{1}} gets executed again, starting at 5pm, then 5.05, 5.10, etc. This
> already works.
> ** Since it's such a short-repeat job, I wouldn't want it to be execute 36
> times to compensate for the 3 hours down time.
> I guess what I'm getting at is we'd need
> - a mechanism that would ensure jobs gets executed even if their scheduled
> time has passed. I think what we have today is a warning that "this job will
> never be executed", when restarting the server.
> - a way to enable/disable the above behavior, because it is not always
> desirable (cfr example 1)
> If I recall correctly, Quartz has an API to store job states - but our
> current implementation uses an in-memory implementation.
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