HDFS-3139. svn merge -c 1306549 from trunk
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1306553 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins
parent
5384914aa8
commit
ee241b9987
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@ -785,6 +785,8 @@ Release 0.23.1 - 2012-02-17
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HDFS-208. name node should warn if only one dir is listed in dfs.name.dir.
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(Uma Maheswara Rao G via eli)
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HDFS-3139. Minor Datanode logging improvement. (eli)
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OPTIMIZATIONS
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HDFS-2130. Switch default checksum to CRC32C. (todd)
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@ -28,20 +28,20 @@
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import org.apache.hadoop.io.WritableComparable;
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/**
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* DatanodeID is composed of the data node
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* name (hostname:portNumber) and the data storage ID,
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* which it currently represents.
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*
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* This class represents the primary identifier for a Datanode.
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* Datanodes are identified by how they can be contacted (hostname
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* and ports) and their storage ID, a unique number that associates
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* the Datanodes blocks with a particular Datanode.
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*/
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@InterfaceAudience.Private
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@InterfaceStability.Evolving
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public class DatanodeID implements WritableComparable<DatanodeID> {
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public static final DatanodeID[] EMPTY_ARRAY = {};
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public String name; /// hostname:portNumber
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public String storageID; /// unique per cluster storageID
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protected int infoPort; /// the port where the infoserver is running
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public int ipcPort; /// the port where the ipc server is running
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public String name; // hostname:port (data transfer port)
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public String storageID; // unique per cluster storageID
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protected int infoPort; // info server port
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public int ipcPort; // ipc server port
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/** Equivalent to DatanodeID(""). */
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public DatanodeID() {this("");}
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@ -37,9 +37,9 @@
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import org.apache.hadoop.util.StringUtils;
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/**
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* DatanodeInfo represents the status of a DataNode.
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* This object is used for communication in the
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* Datanode Protocol and the Client Protocol.
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* This class extends the primary identifier of a Datanode with ephemeral
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* state, eg usage information, current administrative state, and the
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* network location that is communicated to clients.
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*/
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@InterfaceAudience.Private
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@InterfaceStability.Evolving
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@ -52,12 +52,10 @@ public class DatanodeInfo extends DatanodeID implements Node {
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protected int xceiverCount;
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protected String location = NetworkTopology.DEFAULT_RACK;
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/** HostName as supplied by the datanode during registration as its
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* name. Namenode uses datanode IP address as the name.
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*/
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// The FQDN of the IP associated with the Datanode's hostname
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protected String hostName = null;
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// administrative states of a datanode
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// Datanode administrative states
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public enum AdminStates {
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NORMAL("In Service"),
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DECOMMISSION_INPROGRESS("Decommission In Progress"),
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@ -241,12 +239,14 @@ public String getDatanodeReport() {
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long nonDFSUsed = getNonDfsUsed();
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float usedPercent = getDfsUsedPercent();
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float remainingPercent = getRemainingPercent();
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String hostName = NetUtils.getHostNameOfIP(name);
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String lookupName = NetUtils.getHostNameOfIP(name);
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buffer.append("Name: "+ name);
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if(hostName != null)
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buffer.append(" (" + hostName + ")");
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if (lookupName != null) {
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buffer.append(" (" + lookupName + ")");
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}
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buffer.append("\n");
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buffer.append("Hostname: " + getHostName() + "\n");
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if (!NetworkTopology.DEFAULT_RACK.equals(location)) {
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buffer.append("Rack: "+location+"\n");
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@ -38,16 +38,13 @@
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import org.apache.hadoop.io.Text;
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import org.apache.hadoop.io.WritableUtils;
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/**************************************************
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* DatanodeDescriptor tracks stats on a given DataNode, such as
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* available storage capacity, last update time, etc., and maintains a
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* set of blocks stored on the datanode.
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*
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* This data structure is internal to the namenode. It is *not* sent
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* over-the-wire to the Client or the Datanodes. Neither is it stored
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* persistently in the fsImage.
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**************************************************/
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/**
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* This class extends the DatanodeInfo class with ephemeral information (eg
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* health, capacity, what blocks are associated with the Datanode) that is
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* private to the Namenode, ie this class is not exposed to clients.
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*/
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@InterfaceAudience.Private
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@InterfaceStability.Evolving
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public class DatanodeDescriptor extends DatanodeInfo {
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// Stores status of decommissioning.
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@ -590,14 +587,14 @@ public void updateRegInfo(DatanodeID nodeReg) {
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}
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/**
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* @return Blanacer bandwidth in bytes per second for this datanode.
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* @return balancer bandwidth in bytes per second for this datanode
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*/
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public long getBalancerBandwidth() {
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return this.bandwidth;
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}
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/**
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* @param bandwidth Blanacer bandwidth in bytes per second for this datanode.
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* @param bandwidth balancer bandwidth in bytes per second for this datanode
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*/
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public void setBalancerBandwidth(long bandwidth) {
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this.bandwidth = bandwidth;
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@ -335,9 +335,7 @@ conf, new AccessControlList(conf.get(DFS_ADMIN, " ")))
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: new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0,
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conf, new AccessControlList(conf.get(DFS_ADMIN, " ")),
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secureResources.getListener());
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if(LOG.isDebugEnabled()) {
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LOG.debug("Datanode listening on " + infoHost + ":" + tmpInfoPort);
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}
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LOG.info("Opened info server at " + infoHost + ":" + tmpInfoPort);
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if (conf.getBoolean(DFS_HTTPS_ENABLE_KEY, false)) {
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boolean needClientAuth = conf.getBoolean(DFS_CLIENT_HTTPS_NEED_AUTH_KEY,
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DFS_CLIENT_HTTPS_NEED_AUTH_DEFAULT);
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@ -403,6 +401,7 @@ private void initIpcServer(Configuration conf) throws IOException {
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.newReflectiveBlockingService(interDatanodeProtocolXlator);
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DFSUtil.addPBProtocol(conf, InterDatanodeProtocolPB.class, service,
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ipcServer);
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LOG.info("Opened IPC server at " + ipcServer.getListenerAddress());
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// set service-level authorization security policy
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if (conf.getBoolean(
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@ -491,14 +490,14 @@ private synchronized void shutdownDirectoryScanner() {
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}
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private void initDataXceiver(Configuration conf) throws IOException {
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InetSocketAddress socAddr = DataNode.getStreamingAddr(conf);
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InetSocketAddress streamingAddr = DataNode.getStreamingAddr(conf);
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// find free port or use privileged port provided
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ServerSocket ss;
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if(secureResources == null) {
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ss = (dnConf.socketWriteTimeout > 0) ?
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ServerSocketChannel.open().socket() : new ServerSocket();
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Server.bind(ss, socAddr, 0);
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Server.bind(ss, streamingAddr, 0);
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} else {
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ss = secureResources.getStreamingSocket();
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}
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@ -507,8 +506,7 @@ private void initDataXceiver(Configuration conf) throws IOException {
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int tmpPort = ss.getLocalPort();
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selfAddr = new InetSocketAddress(ss.getInetAddress().getHostAddress(),
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tmpPort);
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LOG.info("Opened info server at " + tmpPort);
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LOG.info("Opened streaming server at " + selfAddr);
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this.threadGroup = new ThreadGroup("dataXceiverServer");
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this.dataXceiverServer = new Daemon(threadGroup,
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new DataXceiverServer(ss, conf, this));
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@ -69,18 +69,19 @@ public void init(DaemonContext context) throws Exception {
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args = context.getArguments();
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// Obtain secure port for data streaming to datanode
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InetSocketAddress socAddr = DataNode.getStreamingAddr(conf);
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InetSocketAddress streamingAddr = DataNode.getStreamingAddr(conf);
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int socketWriteTimeout = conf.getInt(DFSConfigKeys.DFS_DATANODE_SOCKET_WRITE_TIMEOUT_KEY,
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HdfsServerConstants.WRITE_TIMEOUT);
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ServerSocket ss = (socketWriteTimeout > 0) ?
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ServerSocketChannel.open().socket() : new ServerSocket();
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ss.bind(socAddr, 0);
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ss.bind(streamingAddr, 0);
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// Check that we got the port we need
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if(ss.getLocalPort() != socAddr.getPort())
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if (ss.getLocalPort() != streamingAddr.getPort()) {
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throw new RuntimeException("Unable to bind on specified streaming port in secure " +
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"context. Needed " + socAddr.getPort() + ", got " + ss.getLocalPort());
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"context. Needed " + streamingAddr.getPort() + ", got " + ss.getLocalPort());
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}
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// Obtain secure listener for web server
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SelectChannelConnector listener =
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@ -90,15 +91,18 @@ public void init(DaemonContext context) throws Exception {
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listener.setPort(infoSocAddr.getPort());
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// Open listener here in order to bind to port as root
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listener.open();
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if(listener.getPort() != infoSocAddr.getPort())
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if (listener.getPort() != infoSocAddr.getPort()) {
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throw new RuntimeException("Unable to bind on specified info port in secure " +
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"context. Needed " + socAddr.getPort() + ", got " + ss.getLocalPort());
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"context. Needed " + streamingAddr.getPort() + ", got " + ss.getLocalPort());
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}
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System.err.println("Successfully obtained privileged resources (streaming port = "
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+ ss + " ) (http listener port = " + listener.getConnection() +")");
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if(ss.getLocalPort() >= 1023 || listener.getPort() >= 1023)
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if (ss.getLocalPort() >= 1023 || listener.getPort() >= 1023) {
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throw new RuntimeException("Cannot start secure datanode with unprivileged ports");
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}
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System.err.println("Opened streaming server at " + streamingAddr);
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System.err.println("Opened info server at " + infoSocAddr);
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resources = new SecureResources(ss, listener);
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}
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@ -52,7 +52,7 @@ public void testDFSAddressConfig() throws IOException {
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String selfSocketAddr = dn.getSelfAddr().toString();
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System.out.println("DN Self Socket Addr == " + selfSocketAddr);
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assertTrue(selfSocketAddr.startsWith("/127.0.0.1:"));
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assertTrue(selfSocketAddr.contains("/127.0.0.1:"));
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/*-------------------------------------------------------------------------
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* Shut down the datanodes, reconfigure, and bring them back up.
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@ -78,7 +78,7 @@ public void testDFSAddressConfig() throws IOException {
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selfSocketAddr = dn.getSelfAddr().toString();
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System.out.println("DN Self Socket Addr == " + selfSocketAddr);
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// assert that default self socket address is 127.0.0.1
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assertTrue(selfSocketAddr.startsWith("/127.0.0.1:"));
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assertTrue(selfSocketAddr.contains("/127.0.0.1:"));
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/*-------------------------------------------------------------------------
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* Shut down the datanodes, reconfigure, and bring them back up.
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@ -103,7 +103,7 @@ public void testDFSAddressConfig() throws IOException {
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selfSocketAddr = dn.getSelfAddr().toString();
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System.out.println("DN Self Socket Addr == " + selfSocketAddr);
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// assert that default self socket address is 0.0.0.0
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assertTrue(selfSocketAddr.startsWith("/0.0.0.0:"));
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assertTrue(selfSocketAddr.contains("/0.0.0.0:"));
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cluster.shutdown();
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}
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