@Test
  public void testStoreConfigurationOnlineChange() {
    rs1.getConfigurationManager().notifyAllObservers(conf);
    long actualMaxFileSize = r1.getStore(COLUMN_FAMILY1).getReadOnlyConfiguration()
      .getLong(TableDescriptorBuilder.MAX_FILESIZE, -1);
    assertEquals(MAX_FILE_SIZE, actualMaxFileSize);
  }
Test that the configurations in the CompactionConfiguration class change properly.
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerOnlineConfigChange.java