@Override
    public boolean isPrefetchBlocksOnOpen() {
      return getStringOrDefault(PREFETCH_BLOCKS_ON_OPEN_BYTES, Boolean::valueOf,
        DEFAULT_PREFETCH_BLOCKS_ON_OPEN);
    }
Set the setEvictBlocksOnClose flag.
@param value true if we should evict cached blocks from the blockcache on close
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java