Shared Memory and Processes CDBs and PDBs also share common memory and background processes All PDBs share same SGA and PGA All PDBs share same background processes OLTP: Intense random reads and writes (DBWn and LGWR) DW/DSS: Intense sequential reads and/or logicaI I/O Batch and Data Loading: Intense sequential physical reads and physical writes PDB1 PDB3 PDB2 CDB1 System Storage DW + DSS OLTP BATCH + IDL SGA & PGA LGWR DBWn Others
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