Migrating from javaagent to JVMTI: our experience

When you need to gather data from within the JVM, you will find yourself working dangerously close to the Java…

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Allocating memory for the JVM: a case study

This post is about a recent performance tuning exercise. As always, these start with vague statements about symptoms. This time…

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Creating software for sysops – make sure you do not suck

Plumbr is all about detecting performance problems from within Java applications. Whether this application is residing in a desktop machine…

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OutOfMemoryError: solution antipatterns

Throughout those years we have kept a close eye on the problems packaged in different flavours of OutOfMemoryError message. Daily…

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How to estimate memory consumption?

This story goes back at least a decade, when I was first approached by a PHB with a question “How…

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GC impact on throughput and latency

One type of the problems each and every Java application out there has to wrestle with is related to garbage…

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On Java Collection Waste

This article is about overhead posed by one of the most popular frameworks used – I bet there is close…

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Performance tuning – measure don’t guess

In my performance tuning career I have given the advice to measure and not guess more often than I can…

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RMI enforcing Full GC to run hourly

During all the troubleshooting exercises I have carried out in my career, I have picked up a feeling that the…

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