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Circuit breaker for outlier service node | sentinel能否对故障实例熔断的隔离 #2804

@XW512

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@XW512

现在有A服务调用B服务,B服务有三个节点,其中有个节点发生了异常,我们希望在请求A服务调用B服务的时候,不会把请求打到异常节点上,sentinel能支持在正常节点上负载,对异常节点进行隔离,这样保证主调方迅速自动屏蔽错误率高或故障的服务实例,并启动定时任务对熔断实例进行探活。在达到恢复条件后对其进行半开恢复。在半开恢复后,释放少量请求去进行真实业务探测。并根据真实业务探测结果去判断是否完全恢复正常。

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    area/circuit-breakingIssues or PRs related to circuit breakinggood first issueGood for newcomerskind/featureCategory issues or prs related to feature request.

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