Examples of org.apache.hadoop.hdfs.server.namenode.FileJournalManagerReadOnly

Package org.apache.hadoop.hdfs.server.namenode

Examples of org.apache.hadoop.hdfs.server.namenode.FileJournalManagerReadOnly

org.apache.hadoop.hdfs.server.namenode.FileJournalManagerReadOnly
Read-only version of FileJournalManager. It should be used outside of the active NN to gain access to edit log segments, without the risk of corrupting the underlying storage.


    if (editsURI != null) {
      if (editsURI.getScheme().equals(NNStorage.LOCAL_URI_SCHEME)) {
        StorageDirectory sd = new NNStorage(new StorageInfo()).new StorageDirectory(
            new File(editsURI.getPath()));
        remoteJournalManager = new FileJournalManagerReadOnly(sd);
      } else {
        throw new IOException("Other journals not supported yet.");
      }
  
      LOG.info("Initializing input stream");

View Full Code Here

  private JournalManager constructJournalManager(URI editsUri) 
      throws IOException {
    if (editsUri.getScheme().equals(NNStorage.LOCAL_URI_SCHEME)) {
      StorageDirectory sd = new NNStorage(new StorageInfo()).new StorageDirectory(
          new File(editsUri.getPath()));
      return new FileJournalManagerReadOnly(sd);
    } else if (editsUri.getScheme().equals(QuorumJournalManager.QJM_URI_SCHEME)) {
      return new QuorumJournalManager(conf, editsUri, 
              new NamespaceInfo(new StorageInfo()), null, false);
    } else {
      throwIOException("Other journals not supported yet.", null);

View Full Code Here

TOP

Related Classes of org.apache.hadoop.hdfs.server.namenode.FileJournalManagerReadOnly

org.apache.hadoop.hdfs.notifier.server.ServerLogReaderAvatar

org.apache.hadoop.hdfs.notifier.server.ServerLogReaderTransactional

java.io.IOException

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.