[jboss-as7-dev] Limiting Server Thread Usage

[Scott Stark]

So effectively, there should be one thread pool and every subsystem 
using an event model/executors to feed it?
To Jason's point, is one queuing strategy sufficient for all subsystems?

On 9/15/11 4:18 AM, Carlo de Wolf wrote:
> If you enter a pool with a thread that can potentially block you're 
> already too late in the game.
>
> During performance testing of EAP 5 one bottleneck we found was that 
> releasing permits on a semaphore is a single threaded operation. 
> https://issues.jboss.org/browse/JBPAPP-4805
>
> Suppose we had a resource pool of 10. Then it would be much better if 
> there are just 10 threads working through that pool. They can be fed 
> with an unfair BlockingQueue of tasks. The resource itself would not 
> have to be guarded with a semaphore. And the unfair BlockingQueue 
> would maximize throughput without sacrificing response time deviation.
> (https://issues.jboss.org/browse/JBPAPP-2763)
>
> Carlo
>