When we revamped Messages in 2010 to integrate SMS, chat, email and Facebook Messages into one inbox, we built the product on open-source Apache HBase, a distributed key value data store running on top of HDFS, and extended it to meet our requirements. At the time, HBase was chosen as the underlying durable data store because it provided the high write throughput and low latency random read perfor
![HydraBase – The evolution of HBase@Facebook](https://cdn-ak-scissors.b.st-hatena.com/image/square/10ea1f85de16a18c2b6e314dec9bee5434820fb5/height=288;version=1;width=512/https%3A%2F%2Fengineering.fb.com%2Fwp-content%2Fuploads%2F2013%2F05%2F22810655_402753133472464_8736654913964081152_n.jpg)