[development] Batch API on cron

Yves Chedemois yched.drupal at free.fr
Thu Jul 15 11:36:17 UTC 2010

Queue D6 backport sounds a good idea - 
Never tested it, though.


Le 15/07/2010 13:28, Sven Decabooter a écrit :
> That's clear, and it makes sense. Thanks Yves!
> Any pointers as to how I could have large chunks of data processed on 
> cron in another way?
> Sven
> On Thu, Jul 15, 2010 at 1:25 PM, Yves Chedemois <yched.drupal at free.fr 
> <mailto:yched.drupal at free.fr>> wrote:
>     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 limitation.
>     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.
>     Yched
>     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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