Examples of org.apache.hadoop.hdfs.server.namenode.NNStorage.writeTransactionIdFileToStorage()

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

Class org.apache.hadoop.hdfs.server.namenode.NNStorage

Examples of org.apache.hadoop.hdfs.server.namenode.NNStorage.writeTransactionIdFileToStorage()

org.apache.hadoop.hdfs.server.namenode.NNStorage.writeTransactionIdFileToStorage()
Write a small file in all available storage directories that indicates that the namespace has reached some given transaction ID. This is used when the image is loaded to avoid accidental rollbacks in the case where an edit log is fully deleted but there is no checkpoint. See TestNameEditsConfigs.testNameEditsConfigsFailure() @param txid the txid that has been reached

      NNStorage storage = new NNStorage(conf, 
          Collections.<URI>emptyList(),
          Lists.newArrayList(uri));
      
      if (updateTransactionIdFile) {
        storage.writeTransactionIdFileToStorage(3);
      }
      storage.close();
    }
    
    try {

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          NNStorage.getInProgressEditsFileName(2));
      NNStorage storage = new NNStorage(conf, 
                                        Collections.<URI>emptyList(),
                                        Lists.newArrayList(uri), null);
      if (updateTransactionIdFile) {
        storage.writeTransactionIdFileToStorage(2, null);
      }
      storage.close();


      new EditLogFileOutputStream(log, null).create();
      if (!inBothDirs) {

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