Home » Tag Archives: Performance (page 2)

Tag Archives: Performance

C code always runs way faster than Java, right? Wrong!

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So we all know the prejudice that Java being interpreted is slow and that C being compiled and optimized runs very fast. Well as you might know, the picture is quite different. TL;DR Java is faster for constellations, where the JIT can perform inlining as all methods/functions are visible whereas the C compiler cannot perform optimizations accross compilation units (think ...

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Performance improvements… or experiments?

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The project I’m involved in will face great challenges in the upcoming years. That was the reason why we have decided to focus on improving performance of the application before these improvements become a necessity. How to increase efficiency? Stability? Responsiveness? How to prepare for future? That was the question that we asked ourselves and our goal was to find ...

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7 Java Performance Metrics to Watch After a Major Release

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The Java performance metrics you need to follow for understanding how your application behaves in production Unlike the days when software used to be shipped in boxes and there was no way of knowing how it will perform in production, today almost any metric you can think of can be tracked down and reported. The problems we’re now dealing with ...

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Stream Performance

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When I read Angelika Langer’s Java performance tutorial – How fast are the Java 8 streams? I couldn’t believe that for a specific operation they took about 15 times longer than for loops. Could stream performance really be that bad? I had to find out! Coincidently, I recently watched a cool talk about microbenchmarking Java code and I decided to ...

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Don’t Like Throttling?

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You don’t have a choice – the underlying system (The JVM here will do it for you). I still recall the summer of 2013 when I was running a project and it was 1 URL in my whole of application that brought the servers down. The problem was simple – a bot decided to index our site at a very high rate ...

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Examples of caching backfiring on performance

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In 2015 it should not surprise anyone that caching frequently used data is likely to improve the performance of the application. Caching certain data structures locally inside the JVM instead of requesting them via remote calls from external storage is a widely used technique. Introducing such caches to your applications is likely to improve the application’s performance both in regards ...

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Application Performance Management solutions for the modern software-defined businesses

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In our previous article, we discussed the basics of Application Performance Management (APM) and how it can be used to lift you monitoring infrastructure to the next level. Organizations of all sizes have struggled to deploy monitoring and analytics solutions that can keep up with the rapid pace of change and fundamental architectural shifts in their application stack. On top ...

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Level up your Monitoring with Application Performance Management

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Getting started with APM Application Performance Management, or APM, is the monitoring and management of the availability and performance of software applications. Different people can interpret this definition differently so this article attempts to qualify what APM is, what it includes, and why it is important to your business. If you are going to take control of the performance of ...

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