etcdserver/api/rafthttp/peer.go
func (p *peer) Resume() {
	p.mu.Lock()
	defer p.mu.Unlock()
	p.paused = false
	p.msgAppReader.resume()
	p.msgAppV2Reader.resume()
}
func (p *peer) Resume() {
	p.mu.Lock()
	defer p.mu.Unlock()
	p.paused = false
	p.msgAppReader.resume()
	p.msgAppV2Reader.resume()
}
// Resume resumes a paused peer.