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Fast-start fault Recovery Components in Oracle

Fast-start fault recovery components

Data buffers All the data buffers have to be read during recovery.
Dead transactions All the dead transactions have to be recovered during recovery.
Rollback phase Fast-Start Checkpointing reduces the number of data buffers to be read, reducing the recovery time.
Fast-Start Checkpointing The unique name of the table the index will be based on.
ON-DEMAND ROLLBACK On-Demand Rollback reduces recovery time by recovering dead transactions as required by new transactions.
PARALLEL ROLLBACK Recovery time is reduced by Parallel Rollback, as multiple server processes roll back the transactions.