Tuesday, May 13, 2008

Administration Workshop II. 2-5. RMAN Performance Enhancements

  • Automatic parallelization of backup, restore, and recovery operations
  • No generation of extra redo during online database backups
  • Backups that are restricted to limit the number of reads per file per second to avoid interfering with OLTP work
  • The use of multiplexing, which can prevent flooding of any one file with reads and writes while still keeping a tape drive streaming

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