private Get createGet(int familyNum, int putNum) {
    byte[] row = Bytes.toBytes("row" + familyNum + "-" + putNum);
    return new Get(row);
  }
This test verifies the correctness of the Per Column Family flushing strategy
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestPerColumnFamilyFlush.java