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English
  • PowerExchange for CDC and Mainframe 10.0
  • All Products

Table of Contents

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  1. Preface
  2. Introduction to PowerExchange Commands
  3. Adabas Log-Based ECCR Commands
  4. Batch VSAM ECCR Commands
  5. CICS/VSAM ECCR Commands
  6. Datacom Table-Based ECCR Commands
  7. DB2 for z/OS ECCR Commands
  8. IDMS Log-Based ECCR Commands
  9. IMS Synchronous ECCR Commands
  10. IMS Log-Based ECCR Commands
  11. PowerExchange Agent Commands
  12. PowerExchange Condense Commands
  13. PowerExchange Listener Commands
  14. PowerExchange Logger for MVS Commands
  15. PowerExchange Logger for Linux, UNIX, and Windows Commands
  16. pwxcmd Commands

Command Reference

Command Reference

Back Next

FILESWITCH Command

FILESWITCH Command

Closes the current condense files if they contain data and switches to a new set of condense files for PowerExchange Condense. If the current condense files do not contain any data, the file switch does not occur.
You can issue a pwxcmd fileswitch command from a Linux, UNIX, or Windows system to a PowerExchange Condense process running on a remote i5/OS or z/OS system.

Syntax

The syntax varies by system.
  • On an i5/OS system, use the following syntax: 
    SNDPWXCMD CMDHDLRLIB(
    condlib
    ) DTLCMD(FILESWITCH)
    The
    condlib
     variable is the name of the library that contains the condense files, which you specified in the COND_DIR parameter of the CAPTPARM configuration member.
  • On an z/OS system, use the following syntax: 
    F 
    task_name
    ,FILESWITCH
    The
    task_name
     variable is the name of the PowerExchange Condense started task or batch job for which you want to switch to a new set of condense files. Usually, PowerExchange Condense runs as a started task.

Usage Notes

You can use this command to make change data in the current condense files available for extraction before the next file switch is due to occur. For example, you want to extract change data hourly from condense files on z/OS. Set the FILE_SWITCH_CRIT and FILE_SWITCH_VAL parameters in the CAPTPARM configuration file such that a file switch occurs after every one million record updates. Then include the FILESWITCH command as part of a batch job to perform an automated file switch hourly, before extraction processing runs.
If you perform both partial and full condense processing in a single Condense job, PowerExchange uses separate sets of condense files for the partial and full condense operations. If you issue the FILESWITCH command, a file switch occurs for both sets of condense files.

Example Output

The FILESWITCH command produced the following example output on z/OS: 
Command=FILESWITCH
PWX-06461 Command Handler: New File Switch requested. CONDENSE request generated.
PWX-06422 Condense: Received FILESWITCH request.
PWX-06419 Condense: Doing file switch. Records=14 Reason=FILESWITCH request Cdcts=3 CPU: TotMs=1042022 Diff=1042022
PWX-06418 Condense: Closed file 
condense_file_name

PWX-06136 Checkpoint taken to file=
checkpoint_file_name
 time=08/10/10 11:47:14
PWX-06420 Condense: Checkpoint done. Sequence=0000001DC19D000000000000001DC19D00000000           Logger=C5C4D4D340400000001DB53400000000
PWX-06417 Condense: Start to Condense because CONDENSE Command Received
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