How can I disable
keepalivefunctionality in Kong?
It’s not clear to me from the description whether this will solve your problem, but to your specific question, here’s how to disable the upstream keepalive — note however that this is likely to have a performance impact:
Depending on your upstream’s behavior, you may want to tune the other related options upstream_keepalive_max_requests and upstream_keepalive_idle_timeout (also in the link above).