[development] Batch API on cron

Yves Chedemois yched.drupal at free.fr
Thu Jul 15 11:25:26 UTC 2010

Batch API works around the PHP timeout limitation by relying on a client 
browser to iterate separate requests, each of which stays below the time 
So yes, Batch API can only be used in a UI context, which excludes cron.

For the same reason, it is not recommended to fire a batch processing 
inside an API function, since you cannot ensure it will be executed in a 
safe-for-batch context.


Le 15/07/2010 11:01, Sven Decabooter a écrit :
> Hi,
> I'm reading contradicting posts about running Batch API processes on 
> cron. This is for Drupal 6 BTW.
> I have tried implementing a batch functionality that should be run on 
> cron, but it doesn't seem to process the work that needs to be done.
> I assume this is because running the cron through a commandline 
> command doesn't allow for javascript...
> So my questions:
> - Have I implemented Batch API incorrectly, and should it normally 
> work also on cron?
> - What is the best way to run a process that would normally trigger a 
> php script timeout? Can I use the Queue module for that?
> I'm sure plenty of people have already tried doing this, so I'm not 
> sure why I can find little consistent information about it.
> Thanks for your feedback.
> Sven

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