Table of Contents

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  1. Preface
  2. Introduction to PowerExchange
  3. DBMOVER Configuration File
  4. Netport Jobs
  5. PowerExchange Message Logs and Destination Overrides
  6. SMF Statistics Logging and Reporting
  7. PowerExchange Security
  8. Secure Sockets Layer Support
  9. PowerExchange Alternative Network Security
  10. PowerExchange Nonrelational SQL
  11. PowerExchange Globalization
  12. Using the PowerExchange ODBC Drivers
  13. PowerExchange Datatypes and Conversion Matrix
  14. Appendix A: DTL__CAPXTIMESTAMP Time Stamps
  15. Appendix B: PowerExchange Glossary

ADAPREFETCH Statement

ADAPREFETCH Statement

The ADAPREFETCH statement controls whether PowerExchange uses the Adabas prefetch feature to improve performance when reading records.
z/OS
Adabas
No
ADAPREFETCH={
N
|Y}
  • N
    .
    PowerExchange does not use the Adabas prefetch feature when reading records.
  • Y.
    PowerExchange uses the Adabas prefetch feature when reading records to improve read performance.
Default is N.
On UNIX and Windows, Adabas does not allow prefetch processing with the ACBX interface. If you are using ACBX on one of these systems, and ADAPREFETCH=Y, PowerExchange reverts to ACB calls, which cannot read records larger than 32 KB. If you want to use ACBX on UNIX or Windows, do not specify the ADAPREFETCH=Y statement.