public synchronized void finishCompaction(List<HStoreFile> sfs) {
      if (sfs.isEmpty()) return;
      synchronized (results) {
        results.add(sfs.size());
      }
      compacting.removeAll(sfs);
    }
HBASE-7947: Regression test to ensure adding to the correct list in the {@link CompactSplit}
@throws Exception on failure
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompaction.java