Problem

Magento is slow!

Whatever module you'll use to improve caching, as long as Magento is involved - even if it is only for determining what data to load from its cache - it will be slow. There are some nice fullpage cache solutions around, but still: slow (at least compared to what can be achi…

Continue Reading...

I got a lot of feedback on my Magento & Varnish prototype, both after my last week's talk at the Meet Magento 5.11 in Leipzig (see slides) and today after publishing an article explaining the concept, publishing the modules on GitHub and setting up a demo store.

Most of them are "wow, that's cool

Continue Reading...

The slides from my talk "Perfomance durch Caching (Part 2)" at Meet Magent #5 2011 in Leipzig, Germany.

I'm planning to write an in-depth blog post of the "Caching with Varnish" part with some additional explanation (for those who missed my talk or want some extra information in english).

Addition…

Continue Reading...

Mage_Core_Model_Cache

Let's begin with Magento's model class. It's the class Mage_Core_Model_Cache. It does not inherit from any other class and is Magento API to the caching framework.

The object instanciated from this class is a property $_cache of Mage_Core_Model_App. (even if the comment at th…

Continue Reading...

Sobald der APC Cache vollgelaufen ist, werden alle Cacheeinträge gelöscht. So zumindest mit den Default-Einstellungen des Caches. Im folgenden Diagramm sieht man die Größe des APCs (grüne Linie) im Verlauf der Zeit. Sobald das Speicherlimit von 1GB erreicht ist, fällt die Kurve schlagartig ab:

Viel…

Continue Reading...