TL;DR: The main question here is: How Does Java 9 Work with Elasticsearch 6? It works well, but don’t expect miracles. Unless you’re using G1, then there are some miracles. With Java 9 fresh out of the oven and Elasticsearch 6 […]
Akka Monitoring with Kamon and Sematext
Sematext monitoring provides Akka monitoring via Kamon and has been doing that for quite a while now. With Sematext and Kamon you get out of the box metrics about Akka Actors, Dispatchers and Routers, Akka’s JVM metrics, and system metrics. We’ve […]
Introducing On-demand Java Profiling
If you are running apps on top of JVM and want to be able to profile them in production, on-demand, without affecting your app’s performance and users, read on! Screenshots, features, and other juicy stuff is further down. Do you […]
Hiring: Full-stack Java Developers
Sematext is looking for a strong full-stack developers (remote work is cool!) who: Find creative and elegant solutions, build tools, avoid repetition and boilerplate code Take ownership and push forward; want to help build the team and the organization Like […]
Announcement: JVM Memory Pool Monitoring
Raise your hand if you’ve never experienced the dreaded OutOfMemoryError (aka OOM or OOME) while working with Java. If you’ve raised your hand count yourself lucky. The vast majority of Java developers are nowhere near that lucky. Today, SPM is making […]
G1GC vs. Concurrent Mark and Sweep Java Garbage Collector
Lately, inquiries about the G1GC Java Garbage Collector have been on the rise (e.g., see this search-lucene.com graph). So last Friday we took one of our Search Analytics servers running HBase RegionServer and a semi-recent version of Oracle Java (build […]
New Tool: JMXC – JMX Console
When you are obsessed with performance and run a performance monitoring service like Sematext does, you need a quick and easy way to inspect Java apps’ MBeans in JMX. We just open-sourced JMXC, our 1-class tool for dumping the contents of […]