[development] Refresh rather than re-create D6 cache

Pierre Rineau pierre.rineau at makina-corpus.com
Mon Oct 18 15:26:01 UTC 2010

Le lundi 18 octobre 2010 à 08:22 -0700, Earl Miles a écrit :
> On 10/18/2010 8:14 AM, Pierre Rineau wrote:
> > Drupal caching model is not wrong, but a lot of modules developers did
> > not understood how to use the hook_flush_caches() and implement massive
> > cache clear or data rebuild within this function, which is absolutely
> > wrong because core will run this hook at each cron run, thus making
> > those modules caches virtually useless.
> > 
> > It's not free critiscism, there was a time where I myself did the error
> > (I'm currently fixing a lot of code right now for site performances).
> > I'm currently reporting those issues with some D6 contrib modules .
> I disagree. Drupal's behavior is actually bad here, because
> hook_flush_caches() is what we use when the 'clear cache' button is
> pressed. The cache clear that happens during cron runs is actually a
> misuse of the feature from its original intention, I think.
> In any case, that wasn't really relevant to my point, which is that what
> you're asking about is the Pressflow model of caching, and you should
> look into it.

By the way, I just read CTools code, and the test with the cron
semaphore is ugly, but this is well done! :D


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