Java Code Examples for org.apache.hadoop.hdfs.util.MD5FileUtils#computeMd5ForFile()

The following examples show how to use org.apache.hadoop.hdfs.util.MD5FileUtils#computeMd5ForFile() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: FSImageFormatProtobuf.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
void load(File file) throws IOException {
  long start = Time.monotonicNow();
  imgDigest = MD5FileUtils.computeMd5ForFile(file);
  RandomAccessFile raFile = new RandomAccessFile(file, "r");
  FileInputStream fin = new FileInputStream(file);
  try {
    loadInternal(raFile, fin);
    long end = Time.monotonicNow();
    LOG.info("Loaded FSImage in " + (end - start) / 1000 + " seconds.");
  } finally {
    fin.close();
    raFile.close();
  }
}
Example 2
Source File: TestFetchImage.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Run `hdfs dfsadmin -fetchImage ...' and verify that the downloaded image is
 * correct.
 */
private static void runFetchImage(DFSAdmin dfsAdmin, MiniDFSCluster cluster)
    throws Exception {
  int retVal = dfsAdmin.run(new String[]{"-fetchImage",
      FETCHED_IMAGE_FILE.getPath() });
  
  assertEquals(0, retVal);
  
  File highestImageOnNn = getHighestFsImageOnCluster(cluster);
  MD5Hash expected = MD5FileUtils.computeMd5ForFile(highestImageOnNn);
  MD5Hash actual = MD5FileUtils.computeMd5ForFile(
      new File(FETCHED_IMAGE_FILE, highestImageOnNn.getName()));
  
  assertEquals(expected, actual);
}
Example 3
Source File: FSImageFormatProtobuf.java    From big-c with Apache License 2.0 5 votes vote down vote up 
void load(File file) throws IOException {
  long start = Time.monotonicNow();
  imgDigest = MD5FileUtils.computeMd5ForFile(file);
  RandomAccessFile raFile = new RandomAccessFile(file, "r");
  FileInputStream fin = new FileInputStream(file);
  try {
    loadInternal(raFile, fin);
    long end = Time.monotonicNow();
    LOG.info("Loaded FSImage in " + (end - start) / 1000 + " seconds.");
  } finally {
    fin.close();
    raFile.close();
  }
}
Example 4
Source File: TestFetchImage.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Run `hdfs dfsadmin -fetchImage ...' and verify that the downloaded image is
 * correct.
 */
private static void runFetchImage(DFSAdmin dfsAdmin, MiniDFSCluster cluster)
    throws Exception {
  int retVal = dfsAdmin.run(new String[]{"-fetchImage",
      FETCHED_IMAGE_FILE.getPath() });
  
  assertEquals(0, retVal);
  
  File highestImageOnNn = getHighestFsImageOnCluster(cluster);
  MD5Hash expected = MD5FileUtils.computeMd5ForFile(highestImageOnNn);
  MD5Hash actual = MD5FileUtils.computeMd5ForFile(
      new File(FETCHED_IMAGE_FILE, highestImageOnNn.getName()));
  
  assertEquals(expected, actual);
}