"We chose to introduce Couchbase as a centralized storage tier cache for read scaling. This solution achieved a cache hit rate of over 99%, reduced tail latencies by more than 60%, and trimmed the cost to serve by 10% annually."
11 karma · joined January 29, 2013
Here's one that discusses Kafka: https://www.youtube.com/embed/L0SfRfKBRGA
Here's one that discusses migrating from relational: https://www.youtube.com/embed/xlYSgyHLur8
There are sessions there from cars.com, ebay, verizon, paypal, linkedin, and so on.
Hope this helps!