stone4774 edited a comment on issue #1452: feature: Load balancing of weighted-upstream URL: https://github.com/apache/incubator-apisix/issues/1452#issuecomment-614516119 When a service publishes a new version, you can create a new upstream (similar to the cluster in envoy) for the instance of the new version, configure it to the service, and specify the weight as follows: curl http://127.0.0.1:9080/apisix/admin/services/200 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d ' { "weighted_upstreams": { "total_weight": 100, "upstream_ids":[ { "upstream_id":1, "weight": 99 },{ "upstream_id":2, "weight": 1 } ] } }' I think it's very important, but at present, apsix doesn't support it. Now if I want to use a small amount of traffic to verify the new version, I have to find some routes with small traffic to try, but these traffic is selective and can't cover all situations We can refer to the implementation of envoy: https://www.envoyproxy.io/docs/envoy/v1.14.0/configuration/http/http_conn_man/traffic_splitting
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