@Test
  public void testSkipCacheDataBlocks() throws Exception {
    // Check that auto-scaling will work right after start
    testSkipCacheDataBlocksInteral(0);
    // Check that auto-scaling will not work right after start
    // (have to finished before auto-scaling)
    testSkipCacheDataBlocksInteral(100);
  }
Size of the cache block holding this item. Used for verification.
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruAdaptiveBlockCache.java