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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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OPEN_LINKS_PER_INSTANCE

Property Description
Parameter type Integer
Default value 4
Modifiable No
Range of values 0 to 4294967295 (4 GB -1)
Oracle RAC Multiple instances can have different values.

OPEN_LINKS_PER_INSTANCE specifies the maximum number of migratable open connections globally for each database instance. XA transactions use migratable open connections so that the connections are cached after a transaction is committed. Another transaction can use the connection, provided the user who created the connection is the same as the user who owns the transaction.

OPEN_LINKS_PER_INSTANCE is different from OPEN_LINKS, which indicates the number of connections from a session. The OPEN_LINKS parameter is not applicable to XA applications.

See Also:

"OPEN_LINKS"