public ModifyableColumnFamilyDescriptor setPrefetchBlocksOnOpen(boolean value) {
      return setValue(PREFETCH_BLOCKS_ON_OPEN_BYTES, Boolean.toString(value));
    }
Set the setPrefetchBlocksOnOpen flag
@param value true if we should prefetch blocks into the blockcache on open
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java