FP_PREDICATE_WORKUNIT_PAGES option

Function

Specifies degree of parallelism used in the default index.

Allowed values

Integer

Default

200

Scope

DBA permissions are not required to set this option. Can be set temporary for an individual connection or for the PUBLIC group. Takes effect immediately.

Description

The default index calculates some predicates such as SUM, RANGE, MIN, MAX and COUNT DISTINCT in parallel. FP_PREDICATE_WORKUNIT_PAGES affects the degree of parallelism used by specifying the number of pages worked on by each thread. To increase the degree of parallelism, decrease the value of this option.