InfoQ Homepage application performance management Content on InfoQ
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Impediment Busting: Designing an Impediment Removal Process for Your Organization
Lean Product Development takes an end-to-end focus on the flow of work through a system. Rather than focus on traditional measures such as capacity utilization, it proves more effective to focus on how work is moving through the system. This article discusses what impedes the flow of work, and how we manage impediments to the flow of work.
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Getting Started with Monitoring using Graphite
Setting up a new monitoring system might seem daunting at first. Franklin guides us through the first steps and explains the architecture and inner workings of a Graphite-based monitoring system. Key takeaways are understanding time series data and configuration, datapoint formats, aggregation methods and retention.
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The Fatal Flaw of Finalizers and Phantoms
Most developers know that finalizers should not be depended on, but sometimes they are necessary. PhantomReferences, often cited as a good alternative, also suffer from the same fundamental problems. In this article we reveal how to contend with the many issues surrounding finalization in Java.
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#NoEstimates Project Planning Using Monte Carlo Simulation
Customers come to us with a new product idea and they always ask the questions - how long will it take and how much will it cost us to deliver? Reality is uncertain, yet we as software developers are expected to deliver new products with certainty. This article shows how to do planning using reference class forecasting with the #NoEstimates paradigm which promises more accuracy in forecasts.
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Tuning Java Servers
With tens of thousands of Java servers running in production in the enterprise, many engineers still lack the skills to keep their Java servers greased. In this article InfoQ takes a look at basic techniques for tuning Java servers.
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Sam Newman: Practical Implications of Microservices in 14 Tips
What are the practical concerns associated with running microservice systems? And what you need to know to embrace the power of smaller services without making things too hard? At last GeeCon 2014 in Krakow, Sam Newman tried to answer those questions by giving 14 tips about how microservices can interface, how the can be monitored, deployed, and made safer.
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Practical Cassandra: A Developer's Approach - Book Review and Interview
Practical Cassandra: A Developer's Approach book by Russell Bradberry and Eric Lubow, is a developer's guide to build applications using Cassandra NoSQL database. InfoQ spoke with the authors about the book, Cassandra data model, design considerations and how Cassandra performs concurrency and versioning of the data sets.
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Shift Left Performance Testing - a Different Approach
This article will explain a different approach to traditional Multi User Performance testing; using the same tools but combine them with modern data visualisation techniques to gain early insight into location specific performance and application areas that may have "sleeping" performance issues.
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Visualizing Java Garbage Collection
Garbage Collection, like Backgammon takes minutes to learn and a lifetime to master. In this article Master trainer/consultant Ben Evans summarizes his recent InfoQ presentation "Visualizing Garbage Collection" where he discusses Garbage Collection from the ground up.
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Cassandra CLI Internals Using JArchitect
Cassandra CLI is a useful tool for Cassandra administrators. It's a good example of how to implement a Cassandra client and CLI internals help us to develop custom Cassandra clients or even extend the CLI tool. In this article, author explores Cassandra CLI architecture model using JArchitect tool and CQLinq language to analyze its code base.
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To Execution profile or to Memory Profile? That is the question.
There are times when memory profiling will provide a clearer picture than execution profiling to find execution hot spots. In this article Kirk Pepperdine talks through some indicators for determining when to use which kind of profiler.
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Is Your Application Ready?
We mostly ship software by date, squeezing all development and testing efforts toward that deadline. We prioritize what we think is important, and once our application passes a certain quality level, we’re ready to go live. But even when we do ship, can we tell the readiness status of our application?