List/Grid Tag Archives: Performance
NUMA architecture and Java
Time to deploy your application, looking forward to procure hardware that suits best to the load requirements. Boxes with 40 cores or 80 cores are pretty common these days. General ...
Single Writer Principle
When trying to build a highly scalable system the single biggest limitation on scalability is having multiple writers contend for any item of data or resource. Sure, algorithms can ...
Smart Batching
How often have we all heard that “batching” will increase latency? As someone with a passion for low-latency systems this surprises me. In my experience when batching is done ...
Smart Batching
How often have we all heard that “batching” will increase latency? As someone with a passion for low-latency systems this surprises me. In my experience when batching is done ...
Java Lock Implementations
We all use 3rd party libraries as a normal part of development. Generally, we have no control over their internals. The libraries provided with the JDK are a typical example. Many ...
Java Sequential IO Performance
Many applications record a series of events to file-based storage for later use. This can be anything from logging and auditing, through to keeping a transaction redo log in an ...
Applying Back Pressure When Overloaded
How should a system respond when under sustained load? Should it keep accepting requests until its response times follow the deadly hockey stick, followed by a crash? All too often ...
Native C/C++ Like Performance For Java Object Serialization
Do you ever wish you could turn a Java object into a stream of bytes as fast as it can be done in a native language like C++? If you use standard Java Serialization you could be disappointed ...
Android Performance Tweaking: ParseArray Versus Hashmap
One of the more recent Android ADT updates added Android Lint. Lint will check your Android project for simples things that you can change to improve your app. Lint notifies you about ...
Introduction to BTrace for Java applications
The aim of this article is to learn how to dynamically trace/observe running Java applications (JDK 6+) using BTrace without changing the code and configuration params of the applications. ...
