Patent ID: 7260575
Filing Date: 2007-08-21
Classification: G06F,Y10S

Abstract:
1. A method for data sharing across batch sequential processes and on-line transactional processes in a clustered arrangement of multiple data processing systems, the method comprising: obtaining a lock on a control area of a file on behalf of an application performing a batch sequential process, the control area being a sequentially ordered set of records of the file; subsequent to obtaining the lock on the control area, reading the sequentially ordered set of records from the control area of the file into an application buffer area; moving each record in the application buffer area, one at a time, to the application for processing; responsive to a record being moved from the application buffer area to the application for processing, determining whether the record needs to be updated or deleted; responsive to the record needing to be updated, replacing the record in the application buffer area with a new copy; and responsive to the record needing to be deleted, removing the record from the application buffer area.