List/Grid Tag Archives: Concurrency
Devoxx 2012: Java 8 Lambda and Parallelism, Part 1
Overview Devoxx, the biggest vendor-independent Java conference in the world, took place in Atwerp, Belgium on 12 – 16 November. This year it was bigger yet, reaching 3400 attendees ...
Parallelization of a simple use case explained
Some time ago a friend of mine asked me about the possibilities of speeding up the following process: they are generating some data in two stages, reading from a database and processing ...
Investigating Deadlocks – Part 5: Using Explicit Locking
In my last blog I looked at fixing my broken, deadlocking balance transfer sample code using both Java’s traditional synchronized keyword and lock ordering. There is, however, an ...
Investigating Deadlocks – Part 4: Fixing the Code
In the last in this short series of blogs in which I’ve been talking about analysing deadlocks, I’m going to fix my BadTransferOperation code. If you’ve seen the other blogs ...
Investigating Deadlocks – Part 3
In my previous two blogs in this series, part 1 and part 2, I’ve demonstrated how to create a piece of bad code that deadlocks and then used this code to show three ways of taking ...
Java deadlock troubleshooting and resolution
One of the great things about JavaOne annual conferences is the presentation of several technical and troubleshooting labs presented by subject matter experts. One of these labs did ...
Investigating Deadlocks – Part 2
One of the most important requirements when investigating deadlocks is actually having a deadlock to investigate. In my last blog I wrote some code called DeadlockDemo that used a ...
Investigating Deadlocks – Part 1
I’m sure we’ve all been there: it’s late, you’re hungry, your server has hung or your application’s running at snail’s pace, and there’s someone breathing down your neck ...
Locking with a semaphore : An example
Concurrency is one aspect that brings along interesting challenges along with it. If not correctly handled, it brings about race conditions that will baffle people because those issues ...
A Lazy Developers Introduction to Java Concurrency Executors
I would make a fool out of myself if I tell you that util.concurrent APIs kicks cheetah’s ass when the classes are available since 2004. However, there are some cool features which ...
