[GitHub] [dubbo] dkisser commented on issue #8710: FAIL_OVER和FAIL_BACK 区别

[GitBox <gi...@apache.org>]

dkisser commented on issue #8710:
URL: https://github.com/apache/dubbo/issues/8710#issuecomment-914144638


   `/**
    * When invoke fails, log the initial error and retry other invokers (retry n times, which means at most n different invokers will be invoked)
    * Note that retry causes latency.
    * <p>
    * <a href="http://en.wikipedia.org/wiki/Failover">Failover</a>
    *
    */
   public class FailoverClusterInvoker<T> extends AbstractClusterInvoker<T> {
   ......
   `
   `/**
    * When fails, record failure requests and schedule for retry on a regular interval.
    * Especially useful for services of notification.
    *
    * <a href="http://en.wikipedia.org/wiki/Failback">Failback</a>
    */
   public class FailbackClusterInvoker<T> extends AbstractClusterInvoker<T> {
   ......
   `


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