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GC easy – Universal Java GC Log Analyser

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GC Algorithm

Detect proactively whether application’s memory is under-allocated

 When the application’s memory is under-allocated, it will result in the following side-effects: 

 a. Transactions response time will degrade

 b. CPU consumption will spike up

 c. OutOfMemoryError will be thrown

Only when OutOfMemoryError is thrown, most of us start to look at our application’s memory settings. This is like only when a patient goes to a critical condition; we begin to give treatment :-). 

In this post, let’s discuss how to detect whether your application’s memory is under-allocated or not in a proactive manner.

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Overhead added by Garbage Collection Logging

Enabling Garbage collection logs on your application has certain advantages. In nutshell, Garbage collection logs will facilitate you to optimize Garbage Collection pause time, improve overall application’s response time, forecast production outages, reduce computing cost. Even though Garbage collection logs have these advantages, we weren’t sure what overhead does garbage collection logging add to the application. Thus we set out to conduct the below case study.

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“I don’t have to worry about Garbage collection” – Is it true?

I have heard a few of my developer friends say: “Garbage Collection is automatic. So, I do not have to worry about it.“ The first part is true, i.e., “Garbage Collection is automatic” on all modern platforms – Java, .NET, Golang, Python… But the second part i.e., “I don’t have to worry about it.” – may not be true. It is arguable, questionable. Here is my case to showcase the importance of Garbage Collection:

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MEMORY EFFICIENT: ECLIPSE OR INTELLIJ?

Eclipse and IntelliJ are the two competing IDEs in the industry. There are lot of passionate discussion going in the social media, forums to declare the winner in this race. We thought it would be a fun exercise to study which IDE utilizes memory efficiently?

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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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WHY GARBAGE COLLECTION MIGHT BE MORE IMPORTANT THAN YOU THINK?

I have heard from few of my developer friends saying: “Garbage Collection is Automatic. So, I don’t have to worry about it.Continue reading “WHY GARBAGE COLLECTION MIGHT BE MORE IMPORTANT THAN YOU THINK?”

WHAT IS GARBAGE COLLECTION LOG? HOW TO ENABLE & ANALYZE?

Garbage collection has more profound impact on the application in contrary to what most engineers think. In order to optimize memory and garbage collection settings and to troubleshoot memory-related problems, one has to analyze Garbage Collection logs.

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REDUCE LONG GC PAUSES

Long GC Pauses are undesirable for applications. It affects your SLAs; it results in poor customer experiences, and it causes severe damages to Continue reading “REDUCE LONG GC PAUSES”

MEMORY TUNING: KEY PERFORMANCE INDICATORS

When you are tuning the application’s memory & Garbage Collection settings, you should take well-informed decisions based on the Continue reading “MEMORY TUNING: KEY PERFORMANCE INDICATORS”

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