|
|
|
TCF produces a report showing the data sets included in the scan and the compression percentages achieved for both the Huffman and Super Express (run length code) compression techniques.
Note: Because it can take a long time to scan every catalog and analyze every VSAM and physical sequential data set in your installation, limit the scope of your TCF job before submitting it for processing. See the SCAN, SELECT and EXCLUDE statement sections later in this chapter for more information.
You can instruct TCF to pass control to a user-coded exit program, which receives the statistical results from the test compression for each data set. The exit program can take customized actions using this information.
TCF can be run in simulate mode that shows you the data sets that are selected by TCF without actually reading and test-compressing the data. This allows you to see how many data sets are being selected before spending the system resources required to test compress them all.
| Copyright © 2012 CA. All rights reserved. |
|