stream_tcp
A layer-4 backend that connects to upstream peers over TCP.
This backend type is valid only for stream tasks.
Config Keys
The following common keys are supported:
peer_pick_policy
optional, type: selective pick policy
Set the policy used to select the next peer address.
For Ketama, rendezvous hash, and jump hash, the hash key is <client-ip>.
default: random
duration_stats
optional, type: histogram metrics
Configure histogram metrics for TCP connect duration.
default: set with default value