At Dropbox, we use monitoring and alerting to gain insight into what our server applications are doing, how they’re performing, and to notify engineers when systems aren’t behaving as expected. Our monitoring systems operate across 1,000 machines, with 60,000 alerts evaluated continuously. In 2018, we reinvented our monitoring and alerting processes, obviating the need for manual recovery and repair. We boosted query speed by up to 10000x in some cases by caching more than 200,000 queries. This ...