func (p *ReplicationPool) ActiveLrgWorkers() int {
	return int(atomic.LoadInt32(&p.activeLrgWorkers))
}

// ResizeWorkers sets replication workers pool to new size.
// checkOld can be set to an expected value.
// If the worker count changed
func (p *ReplicationPool) ResizeWorkers(n, checkOld int) {
	p.mu.Lock()
	defer p.mu.Unlock()