public ModifyableColumnFamilyDescriptor setBlockCacheEnabled(boolean blockCacheEnabled) {
      return setValue(BLOCKCACHE_BYTES, Boolean.toString(blockCacheEnabled));
    }
Set the blockCacheEnabled flag
@param blockCacheEnabled True if hfile DATA type blocks should be cached (We always cache
                         INDEX and BLOOM blocks; you cannot turn this off).
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java