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Concurrent Jobs demo

What does the sample do?

This sample demonstrates fully working implementations of the patterns explored in the Submitting multiple jobs concurrently section of the documentation.

How do I run it?

1. Grid setup

  • you will first need to start a JPPF server and one node. For information on how to set up a node and server, please refer to the JPPF documentation.
  • start a JPPF administration console
  • once you can see the driver and node in the console's topology view, select the node, then click on the "node provisioning" () button. Enter 3 for the number of slave nodes, then click "Ok". You should see 3 additional nodes starting. Lastly, switch to the "Job data" view

2. Running the demo

  • open a command prompt in the JPPF-x.y.z-samples-pack/ConcurrentJobs folder
  • start the demo by entering "run.bat n" on Windows, "./ n" on Linux/Unix or launching the Ant script "ant -Dfn=n run", where n is a function number corresponding to each concurrent job execution pattern, with the possible following values:
    1. for the "job submissions from multiple threads" pattern
    2. for the "multiple non-blocking jobs from a single thread" pattern
    3. for the "full asynchronous processing" pattern
    4. for the "job streaming" pattern
  • During the demo, the "job data" view of the administration console will show the jobs executing in parallel and how they are distributed among the nodes:

Source files

I have additional questions and comments, where can I go?

If you need more insight into the code of this demo, you can consult the Java source files located in the CustomLoadBalancer/src folder.

In addition, There are 2 privileged places you can go to:

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