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HBASE-7540 Make znode dump to print a dump of replciation znodes 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1432235 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2013-01-11 19:10:33 +00:00
parent d4f7604298
commit ad853582b4
1 changed files with 25 additions and 0 deletions
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25
hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
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@ -26,6 +26,7 @@ import java.net.InetSocketAddress;
import java.net.InetAddress;
import java.net.Socket;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
import java.util.HashMap;
@ -1253,6 +1254,11 @@ public class ZKUtil {
for (String child : listChildrenNoWatch(zkw, zkw.rsZNode)) {
sb.append("\n ").append(child);
}
try {
getReplicationZnodesDump(zkw, sb);
} catch (KeeperException ke) {
LOG.warn("Couldn't get the replication znode dump." + ke.getStackTrace());
}
sb.append("\nQuorum Server Statistics:");
String[] servers = zkw.getQuorum().split(",");
for (String server : servers) {
@ -1279,6 +1285,25 @@ public class ZKUtil {
return sb.toString();
}
private static void getReplicationZnodesDump(ZooKeeperWatcher zkw, StringBuilder sb)
throws KeeperException {
String replicationZNodeName = zkw.getConfiguration().get("zookeeper.znode.replication",
"replication");
String replicationZnode = joinZNode(zkw.baseZNode, replicationZNodeName);
if (ZKUtil.checkExists(zkw, replicationZnode) == -1) return;
// do a ls -r on this znode
List<String> stack = new LinkedList<String>();
stack.add(replicationZnode);
do {
String znodeToProcess = stack.remove(stack.size() - 1);
sb.append("\n").append(znodeToProcess).append(": ")
.append(Bytes.toString(ZKUtil.getData(zkw, znodeToProcess)));
for (String zNodeChild : ZKUtil.listChildrenNoWatch(zkw, znodeToProcess)) {
stack.add(ZKUtil.joinZNode(znodeToProcess, zNodeChild));
}
} while (stack.size() > 0);
}
/**
* Gets the statistics from the given server.
*