Starting MySQL 5.6, you can configure MySQL to save the contents of your InnoDB buffer pool and load it on startup. Starting in MySQL 5.7, this is the default behavior. Without any special effort, MySQL saves and restores a portion of buffer pool in the default configuration. We made a similar feature available in Percona Server 5.5 – so the concept has been around for quite a while.
Frankly, time has reduced the need for this feature. Five years ago, we would typically store databases on spinning disks. These disks often took quite a long time to warm up with normal database workloads, which could lead to …[Read more]