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RDBPROD: Prestarted Transaction Recommendations -- Timeout (Doc ID 1088050.1)

Last updated on APRIL 16, 2024

Applies to:

Oracle Rdb Server on OpenVMS - Version 7.1 and later
Oracle CODASYL DBMS - Version 7.1 and later
HP OpenVMS Alpha
HP OpenVMS Itanium

Goal

When a read write transaction in Oracle Rdb or Oracle CODASYL DBMS is committed, the next read write transaction is started immediately. This is called a prestarted transaction.

Prestarting the next read write transaction saves an IO to the root file, which can improve performance. Unfortunately, if the process then sits idle, the prestarted transaction can remain open for a long time. This can cause problems, such as preventing the reclamation of snapshot file space.

Solution

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Goal
Solution

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