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GC easy – Universal Java GC Log Analyser

ECLIPSE MAT – INCOMING REFERENCES, OUTGOING REFERENCES

Eclipse Memory Analyzer (MAT) is a powerful tool for heap dump analysis. It has several great features to debug memory problems effectively. Continue reading “ECLIPSE MAT – INCOMING REFERENCES, OUTGOING REFERENCES”

Try to avoid -XX:+UseGCLogFileRotation

Developers take advantage of the JVM argument -XX:+UseGCLogFileRotation to rotate GC log files. Continue reading “Try to avoid -XX:+UseGCLogFileRotation”

SHALLOW HEAP, RETAINED HEAP

Eclipse MAT (Memory Analyzer Tool) is a powerful tool to analyze heap dumps. It comes quite handy when you are trying to debug memory related problems. In Eclipse MAT two types of object sizes are reported: Continue reading “SHALLOW HEAP, RETAINED HEAP”

VIRTUAL MACHINE ERROR

Java.lang.VirtualMachineError is thrown when Java virtual machine encounters any internal error or resource limitation which prevents it from functioning. Continue reading “VIRTUAL MACHINE ERROR”

UseStringDeduplication

UseStringDeduplication – pros and cons

Let me start this article with an interesting statistic (based on the research conducted by the JDK development team): Continue reading “UseStringDeduplication”

HOW TO INVOKE GC LOGS ANALYSIS API THROUGH POSTMAN

 

GCeasy provides powerful REST API to analyze Java GC logs. This API can be used for application monitoring, analyzing Continue reading “HOW TO INVOKE GC LOGS ANALYSIS API THROUGH POSTMAN”

GC LOG ANALYSIS COMPLIMENTS APM

Recently a smart engineering manager from a major financial institution asked the question: ‘We are already using APM tool (AppDynamics), why do we need to use GC log Continue reading “GC LOG ANALYSIS COMPLIMENTS APM”

HOW MUCH MEMORY IS MY APPLICATION WASTING?

In early 1970s 1 MB was costing 1 million $. Now 1 mb is costing fraction of that cost. There is no comparison. This is one of the reasons why engineers and enterprises don’t worry about memory any more. Continue reading “HOW MUCH MEMORY IS MY APPLICATION WASTING?”

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 Continue reading “MEMORY EFFICIENT: ECLIPSE OR INTELLIJ?”

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