Istio Error Flag
HTTP and TCP
| Long name | Short name | Description |
|---|---|---|
| NoHealthyUpstream | UH | No healthy upstream hosts in upstream cluster in addition to 503 response code. |
| UpstreamConnectionFailure | UF | Upstream connection failure in addition to 503 response code. |
| UpstreamOverflow | UO | Upstream overflow (circuit breaking) in addition to 503 response code. |
| NoRouteFound | NR | No route … |
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