redynasc commented on issue #3339:
URL: https://github.com/apache/apisix/issues/3339#issuecomment-762738492
> Is there any reason to use a node without weight? We don't expect the user
will create zero weight node, and it might cause some issue in roundrobin or
other balancer.
In this case, config the upstream like this.
"checker":{
****
},
"nodes":{
"prod-service:8080":100,
"disaster-recovery-service:8080":0
}
Normally, the request is forwarded to node1. When node1 is unavailable, it
will be automatically transferred to node2 through the health check.
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