Outlier detection for connections #5751
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ikhoon
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Jun 14, 2024
Motivation: Currently, there is no extension point to detect errors for specific connections and terminate connections that are unhealthy. Related: line#5751 Modifications: - TBU Result:
This was referenced Jun 14, 2024
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Currently, there is no way to actively detect errors for specific connections and terminate connections that are unhealthy.
It would be useful when a server uses a load balancer as its endpoint. A host-level circuit breaker is not effective when a specific server behind the LB is not operating. If there are two servers and one server does not operate properly, the circuit may become open.
We may provide a
OutlierDectionRule, similar toCircuitBreakerRule, to let users decide whether to close the connection if necessary.https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/upstream/outlier
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