Using CA Hyper-Buf › CA Hyper-Buf Advantages

CA Hyper-Buf Advantages

VSAM continues to be the most common file organization used in z/OS shops apart from relational databases such as IBM's DB2 and IMS, Advantage CA-Datacom, Advantage CA-IDMS and ADABAS. COBOL programs reading and writing VSAM files are a mainstay of your in-house written applications. These applications will continue to be used for many years to come and CA Hyper-Buf provides fully optimized access to VSAM data without manual tuning of VSAM parameters.

The buffering procedures and facilities used by VSAM to accelerate processing and provide maximum performance include the following:

• Dynamic VSAM buffering affects VSAM performance. Optimum buffering leads to improved performance, which results in shorter online response times, increased batch throughput, and shorter batch turnaround times. Improper buffering causes job backlogs, missed deadlines, and frustrated personnel.
• VSAM manages disk accesses on behalf of application programs. To do this, VSAM reserves blocks of virtual storage called buffers, which are used as staging areas for data that is on its way to or from disk.