正在尝试使用 Gpars 执行并发操作。
Gpars.withPool(6) {
someList.eachParallel {
println "${Thread.currentThread}"
}
}
最初它似乎工作
Thread[ForkJoinPool-1-worker-1,5,main]
Thread[ForkJoinPool-1-worker-6,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-5,5,main]
Thread[ForkJoinPool-1-worker-3,5,main]
Thread[ForkJoinPool-1-worker-4,5,main]
Thread[ForkJoinPool-1-worker-1,5,main]
Thread[ForkJoinPool-1-worker-6,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
但是在迭代一段时间后,一些线程停止执行。
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-3,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-3,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-3,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
直到最终我们只剩下一个。
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
Thread[ForkJoinPool-1-worker-2,5,main]
知道为什么会这样吗?有什么解决方案可以保持所有线程处于活动状态?
就我而言,值得一提的是,我们的迭代速度约为 50k-200k。