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GC easy – Universal Java GC Log Analyser

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Key Performance Indicators

Jax.de Munich – GC tuning & troubleshooting crash course

W-JAX is a conference for modern Java and web development, for software architecture and innovative infrastructure with well-known experts from the industry. Continue reading “Jax.de Munich – GC tuning & troubleshooting crash course”

GC Tuning & Troubleshooting Crash Course

Our architect Ram Lakshmanan presented a talk on the topic: “GC Tuning & Troubleshooting Crash Course” in JAX London 2019 conference. Talk was very well received by the attendees.

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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 analysis tool (GCeasy)?’. Fair question that deserves detailed answer. There are angles to this question:

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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 java 9 got released. In this release, GC logging is re-implemented using Unified GC logging framework (JEP 271). Unified logging framework is a new initiative to introduce a common logging systems for all components of JVM (ompiler, gc, classload, metaspace, svc, jfr, …).

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QUESTIONING STATUS QUO – ‘SERIAL GC NOT FOR SERIOUS APPLICATIONS’

In several journals, articles, blogs and all throughout the internet there is one common theme echoed: “Serial GC is not meant for any serious applications. It should be used only for prototype application. It’s only meant for desktop application or applications that have few hundred MBs of heap size. It shouldn’t be used in production.” To question this status quo theme, we conducted the below study on a major travel web services application in North America (Kindly apologizes, I can’t disclose their name).

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