Migrating Messenger storage to optimize performance - Facebook Engineering
More than a billion people now use Facebook Messenger to instantly share text, photos, video, and more. As we have evolved the product and added new functionality, the underlying technologies that power Messenger have changed substantially. When Messenger was originally designed, it was primarily intended to be a direct messaging product similar to email, with [...]Read More...
26 Jun 2018 ... We moved from HBase, an open source distributed key-value store based on HDFS, to MyRocks, Facebook's open source database project ...