int id = 0;
for (int locationsNum : replicas) {
BalancerBlock block = new BalancerBlock(new Block(id, 5, id));
id++;
for (int i = 0; i < locationsNum; i++) {
block.addLocation(new Balancer.Target(new DatanodeInfo(), 30));
}
srcBlockList.add(block);
}
Arrays.sort(replicas);
int i = 0;