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Clojure agents consuming from a queue


Clojure agents consuming from a queue

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Clojure agents consuming from a queue
Tag : development , By : ponchopilate
Date : January 02 2021, 06:48 AM


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Clojure Style Agents in F#


Tag : clojure , By : Roel
Date : March 29 2020, 07:55 AM
I hope this helps you .
If msg A is sent before B will the async function above always process A before B?
   member x.Post(msg) =
       lock syncRoot (fun () ->
           arrivals.Enqueue(msg);
           ...

Is it possible in Clojure to cause a deadlock (or another bad case) using agents?


Tag : development , By : Mariocki
Date : March 29 2020, 07:55 AM
will be helpful for those in need send and send-off add the functions to queues for the agent and return immediately. Thus, due to their asynchronous nature, it is not possible for them to deadlock.
However, the worker pool used by send is intended for computational work and is thus a fixed pool size (2 + # of cores). If you (incorrectly) invoke send with a task that can block for I/O or something else, that task will block one of the fixed number of cpu threads in the pool. If you did that with (2 + # of cores) tasks at the same time, you could effectively block the cpu thread pool. The solution of course is to use the correct send-off instead. The worker pool used by send-off is unbounded.

Clojure - Using agents slows down execution too much


Tag : multithreading , By : jim
Date : March 29 2020, 07:55 AM
like below fixes the issue You need to call (shutdown-agents) when you're done sending stuff to your agent if you want the JVM to exit in reasonable time.
The underlying problem is that if you don't shutdown your agents, the threads backing its threadpool will never get shut down, and prevent the JVM from exiting. There's a timeout that will shutdown the pool if there's nothing else running, but it's fairly lengthy. Calling shutdown-agents as soon as you're done producing actions will resolve this problem.

How to destroy all agents in queue and insert new agents with condition?


Tag : development , By : AnthonyC
Date : March 29 2020, 07:55 AM
I wish this help you I would remove the agents from the queue and then send them back through the flow via an enter block. The code would look something like:
while( queue.size() > 0 ){
  // get the agent out of the queue
  Agent agent = queue.removeFirst();
  // maybe insert some code to adjust the paramters
  // then send back to the enter block
  enter.take( agent );
}

Create 10k+ agents in clojure


Tag : development , By : smbrant
Date : March 29 2020, 07:55 AM
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