dirigiste | centrally-planned object and thread pools
kandi X-RAY | dirigiste Summary
kandi X-RAY | dirigiste Summary
In the default JVM thread pools, once a thread is created it will only be retired when it hasn't performed a task in the last minute. In practice, this means that there are as many threads as the peak historical number of concurrent tasks handled by the pool, forever. These thread pools are also poorly instrumented, making it difficult to tune their latency or throughput. Dirigiste provides a fast, richly instrumented version of a java.util.concurrent.ExecutorService, and provides a means to feed that instrumentation into a control mechanism that can grow or shrink the pool as needed. Default implementations that optimize the pool size for thread utilization are provided. It also provides an object pool mechanism that uses a similar feedback mechanism to resize itself, and is significantly simpler than the Apache Commons object pool implementation.
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Top functions reviewed by kandi - BETA
- Run the control loop
- Update the queues
- Sample all the queued items
- Adds the given object to the queue if necessary
- Returns the mean utilization of the workers
- Returns the mean value of the array of doubles
- Start the control loop
- Update the stats
- Executes a task
- Start a new worker
- Gets the mean task rejection rate
- Return the mean of the queue latency
- Returns the mean of the task latency
- Returns the mean task completion rate of the executor
- Gets the latency of the queue
- Returns the length of the queue
- Gets the task arrival rate of the task
- Shutdown the queue
- Gets the task completion rate
- Returns the average task latency
- Shuts down all workers
- Releases an object to the pool
- Waits for all workers to complete
- Shuts down the queue
- Removes an object from the queue
- Executes the given Runnable asynchronously
dirigiste Key Features
dirigiste Examples and Code Snippets
Community Discussions
Trending Discussions on dirigiste
QUESTION
I’m using the manifold.stream library to send a message through a websocket:
...ANSWER
Answered 2021-May-03 at 08:13Only you will be able to answer your question. The error means that there is already a process that is listining on that port. If you're running a Linux box, use lsof -i
(as root or using sudo
) to find out which process.
The most likely scenario is that you've run your code already. I.e., you'll find out that a Clojure process is still using that port. And this in turn can easily happen when you forget to stop the server before executing the start-server
again. According to the Aleph documentation on start-server
, you would need to call .close
on the server
var.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install dirigiste
You can use dirigiste like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the dirigiste component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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