[GitHub] beiwei30 closed pull request #13: New thread model: eager

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beiwei30 closed pull request #13: New thread model: eager
URL: https://github.com/apache/incubator-dubbo-docs/pull/13
 
 
   

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diff --git a/dubbo-user-book/demos/thread-model.md b/dubbo-user-book/demos/thread-model.md
index a1c7cfa..ef662e2 100644
--- a/dubbo-user-book/demos/thread-model.md
+++ b/dubbo-user-book/demos/thread-model.md
@@ -27,4 +27,5 @@ ThreadPool
 
 * `fixed` 固定大小线程池，启动时建立线程，不关闭，一直持有。(缺省)
 * `cached` 缓存线程池，空闲一分钟自动删除，需要时重建。
-* `limited` 可伸缩线程池，但池中的线程数只会增长不会收缩。只增长不收缩的目的是为了避免收缩时突然来了大流量引起的性能问题。
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+* `limited` 可伸缩线程池，但池中的线程数只会增长不会收缩。只增长不收缩的目的是为了避免收缩时突然来了大流量引起的性能问题。
+* `eager` 优先创建`Worker`线程池。在任务数量大于`corePoolSize`但是小于`maximumPoolSize`时，优先创建`Worker`来处理任务。当任务数量大于`maximumPoolSize`时，将任务放入阻塞队列中。阻塞队列充满时抛出`RejectedExecutionException`。(相比于`cached`:`cached`在任务数量超过`maximumPoolSize`时直接抛出异常而不是将任务放入阻塞队列)
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