Handling Small Relations Partitioning not useful for small relations which fit into a single disk block or a small number of disk blocks Instead,assign the relation to a single node,or Replicate relation at all nodes For medium sized relations,choose how many nodes to partition across based on size of relation Large relations typically partitioned across all available nodes. Database System Concepts-7th Edition 21.11 ©Silberscha乜，Korth and SudarshanDatabase System Concepts - 7 21.11 ©Silberschatz, Korth and Sudarshan th Edition Handling Small Relations ▪ Partitioning not useful for small relations which fit into a single disk block or a small number of disk blocks • Instead, assign the relation to a single node, or • Replicate relation at all nodes ▪ For medium sized relations, choose how many nodes to partition across based on size of relation ▪ Large relations typically partitioned across all available nodes