[development] Object Caching in DRUPAL-7?
catch56 at googlemail.com
Sun Feb 22 20:29:29 UTC 2009
There's a patch for node_load() here - http://drupal.org/node/111127 - has
been sitting at RTBC for weeks though and just gone stale again.
Since terms, users (hopefully, soon) etc. have almost exactly the same code
for loading now, it'd be easy to add the same pattern there too, and I was
thinking about trying that if node_load() gets in.
The new core field API also allows objects to declare themselves as already
cached - so the field cache is skipped for those objects and we save filling
up memcache bins with the same stuff, so no issues there.
However I'm not sure what you mean by a global object caching strategy -
actually the same code? Or just parallel APIs? Nedjo Rogers has a patch for
the former at http://drupal.org/node/365899 - adding cache_set/get to it
wouldn't be hard at all (at least when loading by IDs, which is all we need
really). Although I'd be tempted to add the caching in separate patches then
unify it all later rather than trying to do both at once.
> Josh Koenig wrote:
>> I'd like to take the community's temperature on developing a global object
>> caching strategy for drupal core 7.0. In effect, this would mean pulling the
>> functionality of advcache module into core, though the code would doubtless
>> be a bit different.
>> This has been previously discussed by Robert Douglass and Steve Rude, and
>> I think both the short-term and strategic value here is clear. As memcached
>> permeates the collective consciousness of the web-development community, and
>> as "cloud" computing becomes more and more prevalent, best practices in
>> architecture increasingly point towards caching full objects whenever
>> This also fits well with Drupal's existing architecture. There are great
>> functional points (e.g. node_load()) to mount this functionality.
>> I'm certain I'm not the only one thinking along these lines. Anyone want
>> to throw out their ideas?
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