Application Profiling vs System Profiling
How we're helping to nudge people into systems thinking rather than just looking at narrow profiling views
As of December 2022, Opsian's commercial services are no longer available. However, we have left some of our blog content online in case it is helpful to anyone.
All posts (3 / 3)
Always-on production Flame Graphs for Java - now with thread grouping
Introducing Opsian's new Flame Graphs; how they work and how to use them to diagnose performance bottlenecks.
Java on Docker will no longer suck: improvements coming in Java 10
Java 10 includes a bunch of useful features that will make running the JVM in a container less painful
Why you want to run Java 10 if you're using the G1 Garbage Collector
Java 10 contains a pretty big change when it comes to the G1 Garbage Collector, and it's an improvement
The Top 3 Java Performance Improvements we're looking forward to
There are many interesting performance improvements coming up in future versions of Java, let's take a look at the three most exciting ones.
Java’s -XX:+AggressiveOpts: Can it slow you down?
A lot of JVM commandline options, like -XX:+AggressiveOpts sound like they may improve application performance but can often slow it down.
Meltdown: What’s the performance impact and how to minimise it?
Meltdown can have a large or a small impact on your workload depending upon how your system is configured or setup.