A persistent object cache is not a panacea

It’s important to note that a persistent object cache isn’t a panacea – a page load with 2,000 Redis calls can be 2 full seconds of object cache transactions. Make sure you use the object cache wisely: keep to a sensible number of keys, don’t store a huge amount of data on each key, and […]

Persistent object caches are like a fine wine paired with steak

A quote I put together for an upcoming Pantheon whitepaper on scaling WordPress. Used appropriately, a persistent object cache like Redis or Memcached can be an incredibly helpful tool for scaling your WordPress site. Say, for instance, you have an unavoidable query which takes an entire second to run. Or, you need to make an […]