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GC easy – Universal Java GC Log Analyser

GARBAGE COLLECTION LOG ANALYSIS API

Our Garbage collection log analysis REST API provides powerful micrometrics. Using these micrometrics, you can predict and forecast the application’s availability and performance characteristics.

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JAVA PERFORMANCE & TROUBLESHOOTING TRAINING

Java Virtual Machine (JVM) is the most popular programming platform in the world. It empowers thousands of enterprises to run their mission-critical applications. However, JVM is still a black box to most engineers.

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Chaos Engineering – Metaspace OutOfMemoryError

JVM memory has following regions: 

Fig: JVM memory regions

a. Young Generation

b. Old Generation

c. Metaspace

d. Others region

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Automobile company optimizes performance using GCeasy

One the world’s largest automobile manufacturers has optimized their middleware platform’s response time by several folds. This world renowned enterprise optimized their garbage collection performance using our GCeasy tool and was able to reduce their overall application’s response time by a stunning 49.46%

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Inspect the contents of the Java Metaspace region

JVM Memory has following regions:

a. Young Generation

b. Old Generation

c. Metaspace

d. Others region

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Java String intern(): Performance impact

java.lang.String#intern() is an interesting function in Java. When used at the right place, it has potential to reduce overall memory consumption of your application by eliminating duplicate strings in your application. To learn how intern() function works, you may refer to this blog. In this post let’s discuss the performance impact of using java.lang.String#intern() function in your application.

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Java String intern(): Interesting Q & A

intern() is an interesting function in java.lang.String object. intern() function eliminates duplicate string objects from the application and has potential to reduce overall memory consumption of your application. In this post, let’s learn more about this intern() function.

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Garbage Collection CPU Statistics

When a Garbage Collection event runs, it spends a predominant amount of its time in the Java application layer. It also spends a certain portion of its time in the Operating System/Kernel layer. 

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In which region intern strings are stored?

intern() is an interesting function in java.lang.String object. intern() function eliminates duplicate string objects from the application and has potential to reduce overall memory consumption of your application. To understand how string intern() function works you may refer to this interesting blog. Intern strings are stored in a string pool in the JVM memory. JVM Memory has following regions:

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Troubleshooting Microservice’s OutOfMemoryError: Metaspace

Recently we confronted an interesting ‘java.lang.OutOfMemoryError: Metaspace’ problem in a Microservice application. This Microservice application will run smoothly for initial few hours, later it will start to throw java.lang.OutOfMemoryError: Metaspace. In this post let me share the steps we pursued to troubleshoot this problem.

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Java Hashtable, HashMap, ConcurrentHashMap – Performance impact

There are a good number of articles that articulate functional differences between HashMap, HashTable and ConcurrentHashMap. This post compares the performance behavior of these data structures through practical examples. If you don’t have patience to read the entire post, here is bottom line: When you confront with the decision of whether to use HashMap or HashTable or ConcurrentHashMap, you can consider using ConcurrentHashMap since it’s thread-safe implementation, without compromise in performance.

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