for (String fileName : util.getFileNames(topDir)) {
fastCopy.copy(fileName, fileName + "dst", (DistributedFileSystem) fs,
(DistributedFileSystem) fs);
}
} finally {
fastCopy.shutdown();
}
// Make sure no errors are reported.
Map<DatanodeInfo, Integer> dnErrors = fastCopy.getDatanodeErrors();
assertEquals(0, dnErrors.size());