long[] getSizes(List<HStoreFile> sfList) {
    long[] aNums = new long[sfList.size()];
    for (int i = 0; i < sfList.size(); ++i) {
      aNums[i] = sfList.get(i).getReader().length();
    }
    return aNums;
  }
Setting up a Store
@throws IOException with error
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompactionPolicy.java