Examples of org.apache.hadoop.mapreduce.util.MRAsyncDiskService.moveAndDeleteRelativePath()

Package org.apache.hadoop.mapreduce.util

Class org.apache.hadoop.mapreduce.util.MRAsyncDiskService

Examples of org.apache.hadoop.mapreduce.util.MRAsyncDiskService.moveAndDeleteRelativePath()

org.apache.hadoop.mapreduce.util.MRAsyncDiskService.moveAndDeleteRelativePath()
Move the path name on one volume to a temporary location and then delete them. This functions returns when the moves are done, but not necessarily all deletions are done. This is usually good enough because applications won't see the path name under the old name anyway after the move. @param volume The disk volume @param pathName The path name relative to volume root. @throws IOException If the move failed @return false if the file is not found

    assertTrue(fb.exists());
    assertTrue(fc.exists());
    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());

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    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    // asyncDiskService is NOT able to delete files outside all volumes.
    IOException ee = null;

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    assertTrue(fb.exists());
    assertTrue(fc.exists());
    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());

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    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    assertFalse(service.moveAndDeleteRelativePath(vols[1], "not_exists"));

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    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    assertFalse(service.moveAndDeleteRelativePath(vols[1], "not_exists"));
    
    // asyncDiskService is NOT able to delete files outside all volumes.
    IOException ee = null;
    try {
      service.moveAndDeleteAbsolutePath(TEST_ROOT_DIR + "/2");

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    assertTrue(fb.exists());
    assertTrue(fc.exists());
    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());

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    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    assertFalse(service.moveAndDeleteRelativePath(vols[1], "not_exists"));

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    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    assertFalse(service.moveAndDeleteRelativePath(vols[1], "not_exists"));
    
    // asyncDiskService is NOT able to delete files outside all volumes.
    IOException ee = null;
    try {
      service.moveAndDeleteAbsolutePath(TEST_ROOT_DIR + "/2");

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    assertTrue(fb.exists());
    assertTrue(fc.exists());
    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());

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    assertTrue(fd.exists());
    
    // Move and delete them
    service.moveAndDeleteRelativePath(vols[0], a);
    assertFalse(fa.exists());
    service.moveAndDeleteRelativePath(vols[1], b);
    assertFalse(fb.exists());
    assertFalse(fc.exists());
    
    // asyncDiskService is NOT able to delete files outside all volumes.
    IOException ee = null;

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