What is FAST_START_PARALLEL_ROLLBACK?

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What is FAST_START_PARALLEL_ROLLBACK?

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FAST_START_PARALLEL_ROLLBACK is a parameter that specifies the maximum number of processes that can exist for performing parallel rollbacks. This parameter proves to be very useful on those systems in which either some or all transactions are long running.

The properties of this parameter are mentioned below:

  • Parameter type: String
  • Parameter class: Dynamic
  • Syntax: FAST_START_PARALLEL_ROLLBACK = {HI| LO| FALSE} where, FALSE as an argument specifies that parallel rollback is disabled, LOW (LO) as an argument limits the number of rollback processes to 2, and HIGH (HI) as an argument limits the number of rollback processes to 4
  • Default value: Low


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