ExperimentalDistributedTracingSamplingRatePerMillion is the number of samples to collect per million spans. Defaults to 0. Signed-off-by: James Blair <mail@jamesblair.net>
Refer to https://github.com/etcd-io/etcd/pull/14318 Signed-off-by: Benjamin Wang <wachao@vmware.com>
Signed-off-by: Benjamin Wang <wachao@vmware.com>