A fix is available
APAR status
Closed as new function.
Error description
DSN1COMP utility enhanced with the following improvements: - The REORG option on DSN1COMP will be enhanced to more closely match the REORG utility in behavior and thereby provide a more accurate compression estimate - LOB compression report to include more statistics on LOB sizing and a more accurate LOB compression estimation - Option to externalize dictionary created by DSN1COMP now supports Huffman dictionaries
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All Db2 13 for z/OS users of DSN1COMP. * **************************************************************** * PROBLEM DESCRIPTION: General improvements to DSN1COMP that * * will improve the compression * * estimation, report clarity, and the * * capability to externalize Huffman * * dictionaries * **************************************************************** DSN1COMP utility enhanced with the following improvements: - The REORG option on DSN1COMP will be enhanced to more closely match the REORG utility in behavior and thereby provide a more accurate compression estimate - LOB compression report to include more statistics on LOB sizing and a more accurate LOB compression estimation. - LOB compression report improved for added clarity. - Option to externalize dictionary created by DSN1COMP now supports Huffman dictionaries
Problem conclusion
Temporary fix
Comments
APAR Information
APAR number
PH66856
Reported component name
DB2 OS/390 & Z/
Reported component ID
5740XYR00
Reported release
D10
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function / Xsystem
Submitted date
2025-06-04
Closed date
2025-06-30
Last modified date
2025-08-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO03874
Modules/Macros
DSN1COMP DSN1DCIX DSN1DCLB DSN1DCTE
Fix information
Fixed component name
DB2 OS/390 & Z/
Fixed component ID
5740XYR00
Applicable component levels
RD10 PSY UO03874
UP25/07/08 P F507
Fix is available
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Document Information
Modified date:
02 August 2025