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Tag Archives: NIO

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 event sourced design or its close relative CQRS. Java has a number of means by which a file can be sequentially written to, or read back again. This article explores ...

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Java 7: Closing NIO.2 file channels without loosing data

Closing an asynchronous file channel can be very difficult. If you submitted I/O tasks to the asynchronous channel you want to be sure that the tasks are executed properly. This can actually be a tricky requirement on asynchronous channels for several reasons. The default channel group uses deamon threads as worker threads, which isn’t a good choice, cause these threads ...

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Java 7 #8: NIO.2 File Channels on the test bench

Another blog post about new JDK 7 features. This time I am writing about the new AnsynchronousFileChannel class. I am analyzing the new JDK 7 features in depth for a couple of weeks now and I have decided to number my posts consecutively. Just to make sure I don’t get confused :-) Here is my 7th post about Java 7 ...

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Manipulating Files in Java 7

The following is a modified snippet from a draft of The Well-Grounded Java Developer. It gives you a quick taster of how much easier it is to manipulate files in Java 7 than in previous versions. By using the new Files class and its many utility methods, you can perform the following operations on files with only a single line ...

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