System Overview What's New in Oracle Exadata Database Machine New Features for Oracle Exadata System Software Release 20.x What's New in Oracle Exadata System Software Release 20.1.0 6.1 What's New in Oracle Exadata System Software Release 20.1.0 The following features are new for Oracle Exadata System Software Release 20.1.0: Exadata Secure RDMA Fabric Isolation Smart Flash Log Write-Back Fast In-Memory Columnar Cache Creation Cell-to-Cell Rebalance Preserves PMEM Cache Population Control Persistent Memory Usage for Specific Databases Application Server Update for Management Server Parent topic: New Features for Oracle Exadata System Software Release 20.x