executors

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I need clarification on the ThreadpoolExecutor beforeExecute and afterExecute hooks

I am using threadpools in my application. I have subclassed the TreadPoolExecutor and overriden the methods beforeExecute, afterExecute and terminated for statistical purposes.[详细]

2023-04-11 18:01 分类：问答
Producer Consumer - Using Executors.newFixedThreadPool

My understanding of a Producer-Consumer pattern is that it could be implemented using a queue shared between the producer and the consumer. Producer submits work to a shared queue, consumer retrieves[详细]

2023-03-27 18:12 分类：问答
How to get to FutureTask execution state?

I have a singleThreadExecutor in order to execute the tasks I submit to it in serial order i.e. one task after another, no parallel execution.[详细]

2023-03-24 21:01 分类：问答
Executors threads not terminating

I am using Executors.newFixedThreadPool(100) method. Single command execution needs approx 20 threads. After executing the command 5-6 times, application stops responding.[详细]

2023-03-11 04:55 分类：问答
Why can't I construct a ThreadPoolExecutor backed by a DelayQueue?

I\'m trying to create a ThreadPoolExecutor: // Thingy implements Delayed and Runnable ExecutorService executor = new ThreadPoolExe开发者_StackOverflow中文版cutor(1, 1, 0l, TimeUnit.SECONDS, new Delay[详细]

2023-02-15 11:03 分类：问答
Is there a simple way to tell what tasks a Java Executor is running at a given moment?

I\'m sure I could hack something together which would enable me to figure this开发者_JAVA技巧 out, but I\'m hoping there\'s an out-of-the-box solution I\'m just missing. I read the docs but I didn\'t[详细]

2023-02-03 06:05 分类：问答
Executors run longer than timeout value

Here is a code segment of scala.I set timeout as 100 mills. Out of 10000 loops, 106 of them ru开发者_开发问答n more than 100 mills without throwing exceptions. The largest one is even 135 mills. Any r[详细]

2023-01-18 04:40 分类：问答
Help with java threads or executors: Executing several MySQL selects, inserts and updates simmultaneously

I\'m writing an application to analyse a MySQL database, and I need to execute several DMLs simmultaneously; for example:[详细]

2023-01-02 10:43 分类：问答
how do FutureTasks and CachedThreadPool work

I currently have code that does the following: private final static ExecutorService pool = Executors.newCachedThreadPool();[详细]

2022-12-22 13:45 分类：问答