@Override
      public StoreFileWriter createWriter(InternalScanner scanner, FileDetails fd,
        boolean shouldDropBehind, boolean major, Consumer<Path> writerCreationTracker)
        throws IOException {
        return DefaultCompactor.this.createWriter(fd, shouldDropBehind, major,
          writerCreationTracker);
      }
Compact passed set of files. Create an instance and then call
{@link #compact(CompactionRequestImpl, ThroughputController, User)}
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/DefaultCompactor.java