private String getFileStats(Path file, FileSystem fs) throws IOException {
    FileStatus status = fs.getFileStatus(file);
    return "File" + file + ", mtime:" + status.getModificationTime() + ", atime:"
      + status.getAccessTime();
  }
@param file to check
@return loggable information about the file
hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileCleaner.java