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Merge pull request #5571 from agile6v/dev

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feat: support the combination of Nginx variables for annotation upstream-hash-by.
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Kubernetes Prow Robot 2020-06-01 15:10:14 -07:00 • committed by GitHub
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docs/user-guide/nginx-configuration/annotations.md
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@ -213,7 +213,7 @@ There is a special mode of upstream hashing called subset. In this mode, upstrea
To enable consistent hashing for a backend:
`nginx.ingress.kubernetes.io/upstream-hash-by`: the nginx variable, text value or any combination thereof to use for consistent hashing. For example `nginx.ingress.kubernetes.io/upstream-hash-by: "$request_uri"` to consistently hash upstream requests by the current request URI.
`nginx.ingress.kubernetes.io/upstream-hash-by`: the nginx variable, text value or any combination thereof to use for consistent hashing. For example: `nginx.ingress.kubernetes.io/upstream-hash-by: "$request_uri"` or `nginx.ingress.kubernetes.io/upstream-hash-by: "$request_uri$host"` or `nginx.ingress.kubernetes.io/upstream-hash-by: "${request_uri}-text-value"` to consistently hash upstream requests by the current request URI.
"subset" hashing can be enabled setting `nginx.ingress.kubernetes.io/upstream-hash-by-subset`: "true". This maps requests to subset of nodes instead of a single one. `upstream-hash-by-subset-size` determines the size of each subset (default 3).