This article compares Hazelcast to the Amazon Web Services ElastiCache Memcached Engine. Cost, Features, Node Management, Fault Tolerance, Monitoring, and Performance are all evaluated.
Thread dumps are vital artifacts to diagnose CPU spikes, deadlocks, memory problems, unresponsive applications, poor response times, and other system problems.
Custom argument matchers and custom answer behavior allow us to use Mockito to mock complex and responsive behavior, making for highly realistic tests.
Learn how to set up an event-driven microservices architecture using Vert.x's Verticle class. This introductory post covers how to use and configure Vert.x.