In Percona’s Managed Services, we start up and shut down MySQL servers all the time. Over the years, we’ve seen various issues occur due to the way servers are shut down. No matter if it is a situation where unexpected errors appear in the log or you’re stuck waiting for hours for a server […]Read more
Recently, a client of ours, Duolingo, was using Aurora was reaching the max connection limit of 16,000 (that is Aurora’s hard limit for all instance classes). In this case, Percona recommended implementing ProxySQL to manage connections (now their max connections only peak to 6000!).
Duolingo’s main application is run in AWS ECS (Elastic Container Service) […]