Exadata and Engineered Systems
Exadata Database Machine: database servers + intelligent storage servers (cells) + RDMA over Converged Ethernet (RoCE) network.
Smart Scan (offload filtering and projection to storage, cell_offload_processing) Storage indexes Hybrid Columnar Compression (HCC)
Exadata Smart Flash Cache / Flash Log Persistent Memory / XRMEM data and commit accelerators IORM (I/O Resource Manager)
Automatic indexing, SQL Quarantine, real-time stats Monitoring: cellcli, dcli, V$CELL*, the statistics cell physical IO bytes eligible for predicate offload and cell physical IO interconnect bytes returned by smart scan, Exawatcher, ExaCHK/ORAchk.
Deployment models: on-premises, Exadata Cloud@Customer, Exadata Database Service on OCI (dedicated or Exascale infrastructure), Oracle Database@Azure/AWS/Google Cloud.
Other engineered systems: Zero Data Loss Recovery Appliance (ZDLRA), Oracle Database Appliance (ODA).