Throttling Task Submission with a BlockingExecutor

The JDK’s java.util.concurrent.ThreadPoolExecutor allows you to submit tasks to a thread pool and uses a BlockingQueue to hold submitted tasks.…

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Throttling Task Submission with a BlockingExecutor

The JDK’s java.util.concurrent.ThreadPoolExecutor allows you to submit tasks to a thread pool and uses a BlockingQueue to hold submitted tasks.…

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Java final fields on x86 a no-op?

I have always enjoyed digging in to the details of multi-threaded programming, and always enjoy that despite reading for years…

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How is ThreadLocal implemented?

This is a follow-up to my last week post, where I explained the motivation behind ThreadLocal usage. From the post…

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What are Reentrant Locks?

In Java 5.0 a new addition was made to enhance the intrinsic locking capabilities, called as Reentrant Lock. Prior to…

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When and how to use a ThreadLocal

As our readers might already have guessed, I deal with memory leaks on a daily basis. A particular type of…

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Non-Blocking Asynchronous Java 8 and Scala’s Try/Success/Failure

Inspired by a recent newsletter from Heinz Kabutz as well as Scala’s Futures which I investigated in my recent book,…

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Ahoy There Callbacks!

Because it’s my bag, I like JavaScript. In fact, I’ve grown to love JavaScritp’s asynchronous callback oriented style of programming.…

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Fine-Grained Concurrency with the Guava Striped Class

This post is going to cover how to use the Striped class from Guava to achieve finer-grained concurrency. The ConcurrentHashMap…

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