List/Grid Tag Archives: Concurrency

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Java Thread deadlock – Case Study

This article will describe the complete root cause analysis of a recent Java deadlock problem observed from a Weblogic 11g production system running on the IBM JVM 1.6. This case ...
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Latency, Throughput and Degree of Concurrency

chrisapotek asked. How do you define throughput and latency for your test? There is not a simple question, so I have replied with a post. Sustained Throughput I consider throughput ...
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Threading stories: ThreadLocal in web applications

This week I spend reasonable time to eliminate all our ThreadLocal variables in our web applications. The reason was that they created classloader leaks and we coudn’t undeploy ...
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Java Concurrency with ReadWriteLock

Writing multithreaded java applications is not a piece of cake. Extra care must be taken because bad synchronization can bring your application to its knees. The JVM heap is shared ...
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Fork and join in Java 7 – JSR 166 concurrency utilities

One of the most interesting improvements of Java 7 is the better support of concurrency. With JSR 166 Concurrency Utilities we get some very helpful improvements of concurrency. From ...
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Threading stories: about robust thread pools

Another blog of my threading series. This time it’s about thread pools, robust thread pool settings in particular. In Java thread pools are implemented by the ThreadPoolExecutor ...
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Threading stories: about robust thread pools

Another blog of my threading series. This time it’s about thread pools, robust thread pool settings in particular. In Java thread pools are implemented by the ThreadPoolExecutor ...
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Spring Thread Pool Services

Thread Pools are very important to execute synchronous & asynchronous processes. This article shows how to develop and monitor Thread Pool Services by using Spring. Creating Thread ...
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Concurrency Pattern: Producer and Consumer

In my career spanning 15 years, the problem of Producer and Consumer is one that I have come across only a few times. In most programming cases, what we are doing is performing functions ...
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Using a ThreadPoolExecutor to Parallelize Independent Single-Threaded Tasks

The task execution framework, introduced in Java SE 5.0, is a giant leap forward to simplify the design and the development of multi threaded applications. The framework provides facilities ...
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