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IMS System Services

Showing 12

Maintain Global Information for IMS Programs

Please add support to maintain IMS program global status in RM, similar to the current support for transactions, databases and database areas, GSTSTRAN, GSTSDB and GSTSAREA. Support for programs with GSTSPGM would allow stopping and starting progr...
5 months ago in IMS System Services / Common Service Layer 1 Future consideration

Add global option support for STA, STO and PST TRAN commands.

Enabling PLEXPARM for IMS transactions allows setting a global status for IMS AREAS, DBS and TRANS. However for transactions the only way to set this is via the update transaction command. IMS RACF OPERCMDS settings cannot be configured for to all...
4 months ago in IMS System Services / Commands 2 Future consideration

Limit IRLM lock timeout function only to IFP regions

In Japan, most of the bank customers use application framework called SAIL which is a GBS Japan's asset, running in their production core banking systems. It runs as MPP for SAIL control regions and IFP for application regions under control of SAI...
over 3 years ago in IMS System Services / General System 1 Future consideration

IMS ABEND at IRLM ABEND in non-XRF and non-FDBR IMS

In case of IRLM abend, IMS closes and stops all opened DBs and DEDB areas. It takes a while to close and stop these databases, therefore certain period of time is needed to recover from the outage. For XRF and FDBR enabled IMS, there are APARs ( X...
10 months ago in IMS System Services / General System 1 Future consideration

Reducing IMS/Db2 connection pooling thread footprint of an MPP when RLA=Y

Details When RLA=Y (PH33024) is set there is an opportunity to enhance IMS/Db2 connection pooling (DSNMIN20) . Right now IMS connection pooling modules DFSESAT0 and DFSESCT0 hand over PSTUSID as EEVPUSID to Db2 . Db2 uses this userid as first part...
over 2 years ago in IMS System Services / General System 1 Future consideration

Assignment of IMS MASTER terminal

Remove the need for ++USERMOD against DFSICL70 or other individual solutions to circumvent the /ASSIGN problem with IMS MASTER terminal
about 2 years ago in IMS System Services / General System 3 Future consideration

Command to refresh preloaded programs in all regions from one IMSPLEX

Although IMS v15 may include a similar new feature: An IMS system programmer using a command can refresh a program that is scheduled in an IFP region or preloaded in DFSMPLxx member without having to restart the region. We need a global command, t...
almost 8 years ago in IMS System Services / System Management 1 Future consideration

Refresh application programs in a MPR with persistent JVM

IMS with MPP with persistent JVM. CANCEL_PGM=NO and COBOL main transaction programs calling JAVA methods via COBOL Object Oriented Wrapper and JNI APIs. The Language Environment enclave remains active during all the MPR lifetime in order to keep t...
about 6 years ago in IMS System Services / Commands 2 Future consideration

rightsizing OLDS BUFNO when BUFSTOR=64

IMS V12 introduced BUFSTOR=64 with following value propositions:reduced ECSA consumptionreduced CPU consumption due to less TLB misses in DAT .Currently the way to that goals is paved with some obstacles.APAR PM50656 disabled the feature 'round up...
about 4 years ago in IMS System Services / Installation and Configuration 1 Future consideration

Stateless non-use Tpipes to be cleared after 2 checkpoints instead of 3

Currently stateless non-use tpipes are cleared after 3 checkpoints. Due to potential high volume of stateless tpipes would like the system to clear them sooner to avoid resource shortages. This specifically comes into play for us due the increased...
over 2 years ago in IMS System Services / General System 1 Future consideration

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