3.2.4 Operands related to full recovery processing
- 10) pd_max_recover_process = concurrently-executable-full-recovery-processes-count
- ~<unsigned integer>((1-10))
- Specifies the number of processes to be recovered (REDO processes) during full recovery processing. For a HiRDB/Parallel Server, this operand specifies the number of processes to be recovered (REDO processes) per server (dictionary server or back-end server).
- Condition
- You need to use the raw I/O facility.
- Specification guidelines
- There are three or more logical volumes for which an RDAREA is defined (per server): 3
- There are fewer than three logical volumes for which an RDAREA is defined (per server): Number of logical volumes
- Increasing the value of this operand increases the input/output concurrency during full recovery processing, and thus can shorten the recovery time. However, because a number of processes equaling value of this operand
server count are started, determine a value by taking the aforementioned specification value guideline and HiRDB resources into consideration.
- Operand default
- When this operand is omitted, the specification of the same operand in the system common definition is assumed. When the same operand is also omitted in the system common definition, the default is 3.