partition / shard

Source board

This definition comes from the board below. Open it to see the term in context.

PartitioningData Systems

More terms from this board

• fixed-partition-count / dynamic partitioningpre-split many / split-on-growth
• global (term-partitioned) indexindex split by term (cross-partition writes)
• gossipnodes share the map peer-to-peer
• hot spot / hot keyan overloaded partition / single key
• local (document-partitioned) indexeach partition indexes its own docs (scatter/gather reads)
• MPPmassively parallel processing (analytic queries)
• range vs hash partitioningsorted intervals vs scramble
• rebalancingredistribute partitions across nodes
• request routingfind the node for a key
• secondary indexlookup by a non-key field
• skewuneven distribution
• ZooKeepercoordination service holding the map