This video was recorded at Code BEAM SF 19 http://bit.ly/2T3Do0U Get involved in Code Sync's next conference http://bit.ly/2Mcm4aS --- HOW WHATSAPP MOVED 1.5B USERS ACROSS DATA CENTERS by Igor Istocniks THIS TALK IN THREE WORDS: WhatsApp Data Migration TALK LEVEL: Advanced ABSTRACT For the last 3 years WhatsApp was working on integration with Facebook infrastructure. A big part of work there was data migration to Facebook data centers. This presentation is about the journey we went through to get there, challenges we faced and solutions we came up with. How to call into C++ from Erlang? How to copy data with no effect on production traffic? How to deal with cross-DC network cuts, server restarts, hardware losses, etc? How to switch users from one DC to another? Read the full abstract: https://codesync.global/speaker/igors-istocniks276/ --- THE SPEAKER - IGOR ISTOCNIKS Igors is a passionate software engineer who happened to work on various types of data migration for the last 6 years. He enjoys building distributed systems and solve scalability, availability and reliability problems that come with them. More on Igor Istocniks: https://codesync.global/speaker/igors-istocniks276/ --- CODE SYNC & CODE BEAM SF 19 Code BEAM SF is powered by Code Sync. Code BEAM SF 19 was sponsored by WhatsApp, The RealReal, Brex, Erlang Solutions, 2600Hz, PagerDuty, and aeternity. CODE SYNC Website: www.codesync.global Twitter: www.twitter.com/CodeBEAMio Facebook: https://www.facebook.com/CodeSyncGlobal LinkedIn: https://www.linkedin.com/company/code-sync/ Mail: info at codesync.global #Whatsapp #Migration #Erlang