threadpool « Operation « Java Thread Q&A

1. Java Thread - weird Thread.interrupted() and future.cancel(true) behaviour    stackoverflow.com

I want to manage a list of Futures objects returned by my TaskExecutor.
I've something like this

 List<Future<String>> list 

 void process(ProcessThis processThis) {     
    ...

2. how to stop a thread in a threadpool    stackoverflow.com

I'm writing an application that spawns multiple concurrent tasks. I'm using a thread pool to implement that. It may happen that an event occurs that renders the computations being done in ...

3. java stress test app with thread pool executor    stackoverflow.com

Well i have the following problem. I want to stress test an application of mine that is deployed on a Tomcat server. The case i want to test is the following: a user ...

4. run static method from a thread pool in java    stackoverflow.com

What is the best way to run a static method in several threads, using a thread pool? Also I trying to pass an argument to the static method. something like

Class A{
 public ...

5. How to create LIFO executor?    stackoverflow.com

I would like to create a thread pool which will execute the most recently submitted task. Any advice on how to accomplish this? Thank you

6. ThreadPool don't run submitted tasks    stackoverflow.com

I have strange problem with java ThreadPool I'm define executorService as follow:

ExecutorService executorService = Executors.newFixedThreadPool(5)

while (!manager.stop()) {
   File file = getFile();
   if (file ...

7. Sequencing operations on specific object in a ThreadPool Executor    stackoverflow.com

We have a ThreadPoolExecutor that pulls tasks off a queue for execution. For a given type of object, ex. user, we can have parallel operations occurring across different instances. However, ...

8. Java Wait until threads(Threadpool) finish their work and start another work    stackoverflow.com

So I create lets say 5 threads, and after their work is completed I'd like to do another work. so how to find out when threads from executor finish their ...

9. Very few threads in the thread pool of threadpoolexcecutor actively executing tasks    stackoverflow.com

I am using a ThreadPoolExecutor with a corePoolSize = maxPoolSize = queueSize = 15 Every incoming request spawns 7 tasks, to be executed with this thread pool. Even though each of the individual ...

10. Stopping an infinite loop Runnable run from ThreadPool    stackoverflow.com

I have a Runnable implementing class which will be run from a Executors.newFixedThreadPool Inside the Runnable, I have an infinite-loop running which listens on an UDP Port for incoming data. I want to ...

11. Stopping a threadpool on satisfied condition    stackoverflow.com

I'm using the ExecutorService to process thousands of small independent tasks. Each task, on completion, stores the result (which is either true of false). So, instead of processing all of the tasks, ...

12. Executors.newFixedThreadPool not terminating    stackoverflow.com

I'm using a ConcurrentLinkedQueue to store computational steps, and an ExecutorService created by Executors.newFixedThreadPool to execute them out. My problem is that the application never terminates. Here's some code:

public class Run ...

13. Is Java's fork-and-join thread pool is good for executing IO bound task?    stackoverflow.com

in my application, I have to solve a problem by executing many network-io bound task and sometime one io bound task and be divided into smaller io bound tasks. These tasks ...

14. Thread pool implementation details like Executors.newCachedThreadPool    coderanch.com

15. Last task not executed by thread from thread pool    coderanch.com

Hi All, I am not sure if this problem has been addressed in any of the previous posts. I have implemented a thread pool manager which creates 5 threads and assigns task to these threads. The thread pool manager waits for all threads to finish and also for all tasks to finish before exiting. The task given to the threads consists ...

16. Issue with executor thread pool    coderanch.com

Hi All, I am using following code to create a thread pool using java executor framework. public class Executor { private static ExecutorService executor = null; public static void main(String args[]) { executor = Executors.newFixedThreadPool(2); List> resultLlist = new ArrayList>(); Queue activeTasks = null; Future response = null; for(int i=0;i<1;i++) { Callable worker = new Worker(); response = executor.submit(worker); resultLlist.add(response); } ...

17. ThreadPool, don't execute two jobs simultaneously if certain conditions are met    coderanch.com

hey, thanks for your reply ... why do we want to do this ... imagine there are 200 sources that pump in tasks ... the requirement is that tasks that come from the same source must not get executed at the same time, tasks from different sources can, though ... so there should be one threadpool with, say, 40 threads that ...