- A Kubernetes LoadBalancer Ingress endpoint for a particular service is slow to respond (± ~3 seconds).
❯ httpstat http://<SVC/LB Ingress FQDN>:8080/health
Connected to X.X.X.X:8080 from 127.0.0.1:62137
DNS Lookup TCP Connection Server Processing Content Transfer
[ 6ms | 0ms | 20045ms | 1ms ]
| | | |
namelookup:6ms | | |
connect:6ms | |
- Platform9 Managed Kubernetes - All Versions
- AWS Cloud Provider
Flannel is unable to contact etcd. A firewall appliance may be present within the VPC which is blocking the traffic, especially on Port 4001 which is required for etcd communication as per the Networking Prerequisites.
- Whitelist the ports called out in the Networking Prerequisites, especially for etcd.
- Restart Flannel on the worker node(s).
$ docker stop flannel
$ docker start flannel