1.275 PROCESSES

PROCESSES specifies the maximum number of operating system user processes that can simultaneously connect to Oracle.

Property Description

Parameter type

Integer

Default value

The value is derived, and it typically depends on the number of cores reported in the alert log.

Modifiable

No

Modifiable in a PDB

No

Range of values

6 to operating system dependent

Basic

Yes

Oracle RAC

Multiple instances can have different values.

The value for this parameter should allow for all background processes such as locks, job queue processes, and parallel execution processes.

The default values of the SESSIONS and TRANSACTIONS parameters are derived from this parameter. Therefore, if you change the value of PROCESSES, you should evaluate whether to adjust the values of those derived parameters.

See Also:

  • Your operating system-specific Oracle documentation for the range of values

  • Oracle Database Concepts for an introduction to Oracle database instance processes