IBM Z Software


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Fast Path

Showing 26

FPBP64M does not take effect to current working (scheduling) applications

We found that FPBP64M potential system outage risk like a real storage shortage, the FPBP64M current design is not able to protect the real storage shortage because current applications can expand the FPBP64 pool unlimitedly beyond the value of FP...
over 9 years ago in IMS Database Manager / Fast Path 1 Not under consideration

Improve IMS performance for DLI calls that hit empty areas.

Improve IMS performance for DLI calls that hit empty areas. By “empty “ we intend to mean - areas that have no data populated in them since allocation , OR an area that had some data but it was deleted and is now empty. And this should target proc...
almost 5 years ago in IMS Database Manager / Fast Path 1 Not under consideration

Use of "Bypass extent checking function " for DEDB Access to improve performance under many parallel I/Os on the same AREA

Our customer's systems are experiencing lock timeout issues and have seen DASD response times increase during certain times of high transaction rates.About over 100 FP areas from each of the three data sharers have been consolidated and updated wi...
over 5 years ago in IMS Database Manager / Fast Path 29 Future consideration

Create SDEP INDOUBT keyword for SDEP DELETE Processing

REQUIREMENT: We encountered an INDOUBT segment in our DEDB SDEP section, following the deletion of an EEQE. We were able to execute the SDEP SCAN with the INDOUBT keyword, to process the INDOUBT segment, but we were not able to execute the SDEP DE...
over 5 years ago in IMS Database Manager / Fast Path 28 Not under consideration

DEDB DBFUMIN0 DB utility and ACBLIB

DBFUMIN0 requires the ACBLIB library. During IMS version migration in an IMSPLEX environnement, the utility fails because it ran in IMS V12 and ACBLIB was still in V11. DBFUMIN0 should be able to run with the DBDLIB to be not release dependant.
about 11 years ago in IMS Database Manager / Fast Path 1 Not under consideration

Allow DEDB Area Level Change with FPSI defined, while DEDB is active to the IMS Control Region.

We add FP areas to the end of DEDBs while the DEDB is active to the IMS control Region (DBCTL), using BMC Software's Delta IMS product to execute DEDB Area Level Change. When attempt is made to execute DEDB Area Level Change for a DEDB with FPSI d...
over 7 years ago in IMS Database Manager / Fast Path 2 Not under consideration

DEDB alter - manual steps for shadow and shadow IC

DEDB alter enhancement to simplify DEDB alter process with fewer manual steps.
over 7 years ago in IMS Database Manager / Fast Path 0 Not under consideration

DEDB initialzation with DBD defintion in case of no SDEP

With PMR 12291, IBM PMR asks us why we allocate 37 times oversize compare to the necessary size for the reloaded ADS and also calculates the exact required size x'DD388000' for this DEDB. Then even the customer specifies unreasonable size, IMS DED...
almost 8 years ago in IMS Database Manager / Fast Path 2 Not under consideration

DEDB DBFUMIN0 DB utility and ACBLIB

DBFUMIN0 requires the ACBLIB library. During IMS version migration in an IMSPLEX environnement, the utility fails because it ran in IMS V12 and ACBLIB was still in V11. DBFUMIN0 should be able to run with the DBDLIB to be not release dependant.
over 9 years ago in IMS Database Manager / Fast Path 1 Not under consideration

IMS DEADLOCK Information

When our customer(MIZUHO BANK) experienced DEADLOCK on IMS DB,they investigate following materials to determine Winner and Loser transaction. 　・DEADLOCK ANALYSIS REPORT(DFSERA10 +DFSERA30 (67FF))　・IRLM LOCK TRACE(DFSERA10 +DFSERA30 (67FA))　・SYSLOG...
over 10 years ago in IMS Database Manager / Fast Path 3 Not under consideration

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