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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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GLOBAL_TXN_PROCESSES

Property Description
Parameter type Integer
Default value 1
Modifiable ALTER SYSTEM
Range of values 1 to 20
Basic No
Real Application Clusters Multiple instances can have different values.

GLOBAL_TXN_PROCESSES specifies the initial number of GTXn background processes (GTX0, ... GTX9 and GTXa, ... GTXj) per instance to support global (XA) transactions in an Oracle RAC environment.

GLOBAL_TXN_PROCESSES is useful for systems that process global (XA) transactions heavily. You do not need to specify a value for this parameter since Oracle Database automatically determines the number of processes and autotunes them, as necessary. GTXn background processes are only seen in an Oracle RAC environment.