2910 shaares
55 private links
55 private links
Simple, reliable messaging. It takes a lot to support this statement. For 10 years WhatsApp demonstrated unprecedented reliability and availability, serving over 1.5B users. There is absolutely no way to reproduce interactions between all of them, within the cluster spanning over 10,000 nodes and multiple data centers. Investigations must be done on a live system without disturbing connected users. If there are repairs needed, it has to be done on the fly.