@Parameterized.Parameters(name = "{index}: blockSize={0}, bucketSizes={1}")
  public static Iterable<Object[]> data() {
    return Arrays.asList(new Object[][] { { 8192, null }, // TODO: why is 8k the default blocksize
                                                          // for these tests?
      { 16 * 1024,
        new int[] { 2 * 1024 + 1024, 4 * 1024 + 1024, 8 * 1024 + 1024, 16 * 1024 + 1024,
          28 * 1024 + 1024, 32 * 1024 + 1024, 64 * 1024 + 1024, 96 * 1024 + 1024,
          128 * 1024 + 1024 } } });
  }
Basic test of BucketCache.Puts and gets.
<p>
Tests will ensure that blocks' data correctness under several threads concurrency
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/bucket/TestBucketCache.java