/** Shut down the cluster */
public void shutDown() throws IOException, InterruptedException {
System.out.println("Shutting down the Mini Avatar Cluster");
// this doesn't work, so just leave the datanodes running,
// they won't interfere with the next run
shutDownDataNodes();
shutDownAvatarNodes();
}
public void restartAvatarNodes() throws Exception {
shutDownAvatarNodes();
for (NameNodeInfo nni : this.nameNodes) {
nni.avatars.clear();
}
this.format = false;
Thread.sleep(10000);
startAvatarNodes();
waitAvatarNodesActive();
waitDataNodesActive();
waitExitSafeMode();
}