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GC easy – Universal Java GC Log Analyser

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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JVM PERFORMANCE ENGINEERING & TROUBLESHOOTING TRAINING

JVM is the most popular programming platform in the world. It empowers many enterprises to run its mission-critical applications. Continue reading “JVM PERFORMANCE ENGINEERING & TROUBLESHOOTING TRAINING”

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Confoo Canada 2019 conference

Confoo montreal is one of the well run, well-attended conference in Canada. This is one of the conferences where they serve 3-course hot lunch meals in a proper dining table with proper silverware :-). Continue reading “Confoo Canada 2019 conference”

MICROMETRICS TO FORECAST APPLICATION PERFORMANCE

Even unpredictable weather is being forecasted. But after all these technological advancements, are we able to forecast our application performance & availability? Are we able forecast even for the next 20 minutes? Continue reading “MICROMETRICS TO FORECAST APPLICATION PERFORMANCE”

TRAINING TO SAMSUNG

‘Samsung Research America’ engaged us to give 2 days onsite training on the topic ‘JVM performance engineering & troubleshooting‘.Training was given in Samsung’s corporate office located in Mountain View, California (heart of silicon valley). Continue reading “TRAINING TO SAMSUNG”

WORKDAY – GUEST LECTURE

Workday, leader in cloud ERP system for Finance, HR and planning is our customer. On Feb’ 21, 2019 Workday invited our architect Ram Lakshmanan to their headquarters located in Pleasanton, CA Continue reading “WORKDAY – GUEST LECTURE”

JVM MEMORY – LEARN EASILY (VIDEO)

JVM memory has multiple regions, some are known (Young Generation, Old Generation, Metaspace). Some are unknown (Threads, JNI, Socket Buffers,…). You will understand the purpose of each region in JVM memory. Continue reading “JVM MEMORY – LEARN EASILY (VIDEO)”

CMS DEPRECATED. NEXT STEPS?

Popular Concurrent Mark Sweep (CMS) GC algorithm is deprecated in JDK 9. According to JEP-291, this decision has been made to reduce the maintenance burden of GC code base and accelerate new development. Continue reading “CMS DEPRECATED. NEXT STEPS?”

PAINTING GRAPHS IN ABSOLUTE TIMESTAMP FORMAT

In some of the GC logs, timestamps of GC events are printed in relative format i.e.

[0.209s]   .....

Continue reading “PAINTING GRAPHS IN ABSOLUTE TIMESTAMP FORMAT”

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”

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