Example usage for org.apache.hadoop.hdfs.server.protocol DatanodeRegistration DatanodeRegistration

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.server.protocol DatanodeRegistration DatanodeRegistration.

Prototype

public DatanodeRegistration(DatanodeID dn, StorageInfo info, ExportedBlockKeys keys, String softwareVersion) 

Source Link

Usage

From source file:io.hops.experiments.benchmarks.blockreporting.TinyDatanode.java

License:Apache License

void register(boolean isDataNodePopulated) throws Exception {
    List<BlockReportingNameNodeHandle> namenodes = nameNodeSelector.getNameNodes();
    // get versions from the namenode
    nsInfo = namenodes.get(0).getDataNodeRPC().versionRequest();
    dnRegistration = new DatanodeRegistration(
            new DatanodeID(DNS.getDefaultIP("default"), DNS.getDefaultHost("default", "default"), "",
                    getNodePort(dnIdx), DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
                    DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
            new DataStorage(nsInfo, ""), new ExportedBlockKeys(), VersionInfo.getVersion());
    dnRegistration.setStorageID(createNewStorageId(dnRegistration.getXferPort(), dnIdx));
    // register datanode
    for (BlockReportingNameNodeHandle nn : namenodes) {
        dnRegistration = nn.getDataNodeRPC().registerDatanode(dnRegistration);
    }/*from  w  w  w  .  ja  v  a 2  s.co m*/
    //first block reports
    storage = new DatanodeStorage(dnRegistration.getStorageID());
    if (!isDataNodePopulated) {
        firstBlockReport(new BlockListAsLongs(null, null).getBlockListAsLongs());
    }
}

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