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IMS Database Manager

Showing 166

IMS support for WLM IWMCNTN (Contention notification service)

Customer sometimes suffers from very long response time of FP online transactions during heavy IMS BMP workload period.The reason for the delay on online transaction is lock contention. The lock holder is BMP regions.With WLM service class definit...
about 11 years ago in IMS Database Manager / Fast Path 1 Not under consideration

Please remove the latch requirement for DMB obtained during DB compression

We had some IMS BMP performance related issues that showed the more jobs we ran on an LPAR against the same database/partition the slower the jobs would run. Upon review of the IMS Monitor reports and IMS latching log records we noticed a rather s...
over 11 years ago in IMS Database Manager / DLI 2 Not under consideration

DFSILTA0 utility Output compatibility between before V9 and after V10

Our customer upgraded IMS from V9 to V11 recently. IMS utility DFSILTA0 output increases after upgrading IMS from V9 to V11.There is a twice as many difference as this in the number of processed transactions on a SYSOUT message. And in the number ...
over 11 years ago in IMS Database Manager / Application Development 4 Not under consideration

HALDB ALTER for CI change only

V13 HALDB ALTER. I would like to be able to use the HALDB ALTER to change the DB CI size without having to make a DBD change as well. This will allow for DB tuning without down time for the application.
over 11 years ago in IMS Database Manager / General DB 2 Not under consideration

Automatic detection of current RRDS by RDDS Extraction utility. (old MR092111406 )

Customer would like to create a copy of the old IMSGEN macro based on the latest information contained in his IMS sistem and stored into DRD RDDS Data set; these will be used in case of problems to recover the subsystem.The IMS RDDS Extraction uti...
over 11 years ago in IMS Database Manager / General DB 4 Not under consideration

HALDB partition keys should not be deleted when changing from PARTSEL to HIKEY

When changing from PARTSEL to HIKEY any partition keys already defined in RECON should either generally be left as they are or there should at least be an option to determine whether they should be left or deleted.
over 11 years ago in IMS Database Manager / General DB 3 Not under consideration

FDBR should not abend as a result of temporary loss of the lock structure.

1. Prevent FDBR from abending due to loss of the lock structure.or2. Make it possible to restart FDBR.or3. Provide an ERE light for IMS which would do backout, release locks, resolve DB2 in-doubt threads and then end immediately (or controlled by ...
over 11 years ago in IMS Database Manager / General DB 1 Not under consideration

FDBR regions should keep LOG buffers in Extended Private instead of ECSA

Fast Database Recovery regions currently use ECSA for log buffers. As these are not typically used during normal tracking, and only needed during a backout scenario, they should be allocated as Extended Private to allow additional ECSA contraint r...
over 10 years ago in IMS Database Manager / General DB 1 Not under consideration

IJPMC0314-1682 Improve Delete.DB processing for Parallel Recon Access

SUBMITTER SECTIONSubmitted by: J002306Submitters Company: JPMorgan Chase PUBLICRequirement Number and Title: IJPMC0314-1682 Improve Delete.DB processing for Parallel Recon AccessHomework Assigned: NoRequirement Category: Information ManagementCurr...
over 9 years ago in IMS Database Manager / General DB 2 Not under consideration

ISF0614-1711 - AUTH tables for IMS Data

SUBMITTER SECTIONSubmitted by: gregory.debo.bipd@statefarm.comSubmitters Company: State Farm PUBLICRequirement Number and Title: ISF0614-1711 - AUTH tables for IMS DataHomework Assigned: NoRequirement Category: Information ManagementCurrent Status...
over 9 years ago in IMS Database Manager / General DB 2 Not under consideration

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