Storage Infrastructure Behind Facebook Messages HBase/HDFS/ZK/MapReduce Kannan Muthukkaruppan Software Engineer, Facebook Big Data Experiences & Scars, HPTS 2011 Oct 24th, 2011 The New Facebook Messages Emails Chats SMS Messages Why we chose HBase ▪ High write throughput ▪ Good random read performance ▪ Horizontal scalability ▪ Automatic Failover ▪ Strong consistency ▪ Benefits of HDFS ▪ Fault tol