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GC easy – Universal Java GC Log Analyser

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Trouble Shooting

HOW TO ENABLE JAVA 9 GC LOGS?

GC logs are vital artifacts to troubleshoot memory/CPU related problems and optimize applications performance. In Sep 2017, the much-awaited Continue reading “HOW TO ENABLE JAVA 9 GC LOGS?”

DISRUPTIVE CHANGES TO GC LOGGING IN JAVA 9. WHAT YOU NEED TO DO?

GC logs are vital artifacts to troubleshoot memory/CPU related problems and optimize applications performance. In Sep 2017, much-awaited Continue reading “DISRUPTIVE CHANGES TO GC LOGGING IN JAVA 9. WHAT YOU NEED TO DO?”

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

Objects are created in the memory to service incoming requests. Once requests are serviced, newly created objects will become Continue reading “WHAT IS GARBAGE COLLECTION LOG? HOW TO ENABLE & ANALYZE?”

PROLIFERATION CAUSED BY JAVA UNIFIED GC LOGGING

As most of you know, GC logging is not standardized. GC log format varies by JVM vendor (Oracle, IBM, HP, Azul, …), Java version (1.4, 5, 6, 7, 8, 9) Continue reading “PROLIFERATION CAUSED BY JAVA UNIFIED GC LOGGING”

GC LOG STANDARDIZATION API

Based on the JVM version (1.4, 5, 6, 7, 8, 9), JVM vendor (Oracle, IBM, HP, Azul, Android), GC algorithm (Serial, Parallel, CMS, G1, Shenandoah) and few other settings, GC log format changes. Continue reading “GC LOG STANDARDIZATION API”

GARBAGE COLLECTION LOG ANALYSIS API

In this modern world, Garbage collection logs are still analyzed in a tedious & manual mode. i.e. you have to get hold of your Devops engineer who has access to production servers, then he will mail you the  Continue reading “GARBAGE COLLECTION LOG ANALYSIS API”

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HOW TO TROUBLESHOOT SUDDEN CPU SPIKES?

Your Java application has been running fine, but all of a sudden CPU consumption starts to go higher and higher until it stays at 80 – 100%. Continue reading “HOW TO TROUBLESHOOT SUDDEN CPU SPIKES?”

TROUBLESHOOT OUTOFMEMORYERROR: UNABLE TO CREATE NEW NATIVE THREAD

There are 8 flavors of java.lang.OutOfMemoryError. In these 8 flavors

java.lang.OutOfMemoryError: unable to create new native thread

is one of the commonly occurring flavor.  Continue reading “TROUBLESHOOT OUTOFMEMORYERROR: UNABLE TO CREATE NEW NATIVE THREAD”

JAVA BATCH OPTIMIZATION

A major shipping monopoly in North America ported their Mainframe batch (25+) jobs to Java platform. This porting was done by one of the top Continue reading “JAVA BATCH OPTIMIZATION”

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