IBM Z Software


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My ideas: z/TPFDF

Showing 59

zTPFDF should maintain a count of chain blocks in the prime block trailer

As a database administrator, I need the ability to quickly determine how many chains or data blocks a TPFDF sub-file has, so that I can more easily trouble-shoot excessive I/O, queuing, or contention problems. The chains would be counted when a PA...
7 months ago in z/TPF Product Family / z/TPFDF 1 Not under consideration

Enhance CRUISE statistics to provide more flexibility and customization in the chaining data collection methodolgy

As a database administrator, I want to improve the collection and reporting of data distribution metrics by CRUISE so that I can identify potential problems in the database more easily and quickly and remediate them in a timely manner to enhance t...
7 months ago in z/TPF Product Family / z/TPFDF 0 Future consideration

Support data compression in the z/TPFDF product (TPFUG Requirement)

Support subfile data compression/decompression with option to compress the entire subfile or selected Lrecs.
over 2 years ago in z/TPF Product Family / z/TPFDF 0 Future consideration

Include df lrec stats in DF Data Collection

Include lrec accessing stats as part of tpfdf data collection. Include adds, replaces, deletes for top lrecs and their associated subfiles.
almost 4 years ago in z/TPF Product Family / z/TPFDF 0 Future consideration

z/TPFDF read processing should validate and fix backward chain fields as it reads forward

As TPFDF read processing reads forward through a given subfile from the prime block to the 1st overflow, the 2nd overflow, and so on, TPFDF should validate that the backward chain in the next block contains the file address of the previous block. ...
over 1 year ago in z/TPF Product Family / z/TPFDF 0 Future consideration

(TPFUG/Visa) VFAFILL=NO support for TPFDF

PJ46019 provided support for VFAFILL=NO. This allowed read intensive utilities to read VFA candidate records from disk without also putting them in VFA. For read intensive utilities that are only going to read the records once, this avoided displa...
over 3 years ago in z/TPF Product Family / z/TPFDF 1 Planned for future release

Make CRUISE Startup more like ZUDFM INIT

We had a situation where automation must have been running behind, so an operator started a CRUISE Capture job and before it completed, automation started. So we had this sequence:START job (by functional entry twice) and before it completed, STAR...
over 3 years ago in z/TPF Product Family / z/TPFDF 0 Future consideration

The CRUISE RESTORE function on a non-DBDEF works fine except that old pools are not getting released

Hi, When running a CRUISE RESTORE function on a non-DBDEF database, old pools are not getting released even though the RELEASE option is specified in the CRUISE RESTORE definition table. We prefer to have old pools released following a CRUISE Rest...
over 5 years ago in z/TPF Product Family / z/TPFDF 1 Not under consideration

CRUISE statistics enhancement

Upon completion of the CRUISE utility, users can display statistics gathered on the DF structure that was processed. Currently, statistics show GT 4B when counters exceed the 4 billion mark. We would like to see count fields expanded to make CRUIS...
about 3 years ago in z/TPF Product Family / z/TPFDF 0 Planned for future release

Add TPFDF function details to macro trace in a post processed dump

TPFDF calls appear in dump macro trace as an ENTRC to a UA** assembler program, the reader must then consult the TPFDF programs for details of the actual function.Could this information be included in the macro trace on the same line as the ENTRC?...
about 11 years ago in z/TPF Product Family / z/TPFDF 5 Future consideration

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