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GC easy – Universal Java GC Log Analyser

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garbage collection

How Java program executed? – Heap, threads, stack, GC

What happens behind the scene when a java program is executed? In which regions objects are created? When objects become eligible for garbage collection? Where are threads stored? What is the difference between Stack and Heap? Watch this video to know more.

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What is the difference between GCeasy and yCrash?

Lets understand how GCeasy & yCrash differ from each other in the following table.

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DSquare trading App addressed GC Pauses using GCeasy

Dsquare is a highly specialized FX trading boutique. They are focused on consistently outperforming the market in short term trading. They use algorithmic trading models in the world’s biggest market-average daily volumes in foreign exchange to execute their strategies well in excess of $3 trillion.

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What is Garbage collection log, Thread dump, Heap dump?

Java Virtual Machine (JVM) generates 3 critical artifacts that are useful for optimizing the performance and troubleshooting production problems. Those artifacts are:

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Uber optimizes Garbage collection performance using GCeasy

Recent times, Uber has been experiencing exponential growth in its traffic. Recent spike in traffic volume exposed several memory related performance bottlenecks in their platform: long garbage collection (GC) pauses, memory corruption, out-of-memory (OOM) exceptions, and memory leaks. In this brilliant article, the Uber engineering team summarizes their optimization journey: What all the challenges they faced, the tools they used, best practices they followed to fix their application’s performance bottlenecks. 

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7 JVM arguments of Highly Effective Applications

At the time (March 2020) of writing this article there are 600+ arguments that you can pass to JVM just around Garbage collection and memory. If you include other aspects, total JVM arguments count will easily cross 1000+. 😊. It’s way too many arguments for anyone to digest and comprehend. In this article, we are highlighting seven important JVM arguments that you may find it useful.

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GCeasy API – Remote Location

In Garbage collection log analysis API we have introduced a new feature called Remote Location. Using this feature now you can pass the http(s) URL location of your GC log in the request.

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LARGE OR SMALL MEMORY SIZE FOR MY APP?

Should I be running my application with few instances (i.e. machines) with large memory size or a lot of instances with small memory size? Which strategy is optimal? This question might be confronted often. After building applications for 2 decades, after building JVM performance engineering/troubleshooting tools (GCeasy, FastThread, HeapHero), I still don’t know the right answer to this question. At the same time, I believe there is no binary answer to this question as well. In this article, I would like to share my observations and experiences on this topic.

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3 POPULAR MYTHS ABOUT GARBAGE COLLECTION

There are 3 highly popular myths about Garbage Collection. Let’s review those myths and the actual truth behind them.

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