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The original memcached tutorial has done its rounds around the globe, and it's time for round two. Quickly get up to speed with integration and tuning examples, then dive into new topics and community tricks. See how the new binary protocol and storage engine interfaces can solve hard problems.
Recently, there has been a lot of buzz around MapReduce, and the Apache Hadoop project. Even more recently, we have seen proprietary SQL database systems add support for MapReduce. This is great for data, but lacks advantages of open source. In this tutorial, we will provide both background knowledge and the practical experience necessary to combine these models to get more out of your data.
The InnoDB storage engine has been modified to use memcached as a level 2 cache, the InnoDB buffer pool being the level 1. Important reduction of the disk load and performance boost has been observed. This opens a new way of scaling out MySQL.