IMS System Services

Showing 9

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...

almost 3 years ago in IMS System Services / General System 1 Future consideration

18 VOTE

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...

almost 2 years ago in IMS System Services / General System 1 Future consideration

13 VOTE

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

over 1 year ago in IMS System Services / General System 3 Future consideration

34 VOTE

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...

over 7 years ago in IMS System Services / System Management 1 Future consideration

19 VOTE

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...

over 5 years ago in IMS System Services / Commands 2 Future consideration

11 VOTE

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...

over 3 years ago in IMS System Services / Installation and Configuration 1 Future consideration

3 VOTE

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...

almost 2 years ago in IMS System Services / General System 1 Future consideration

5 VOTE

A new option of DFS3CATQ GET for removing metadata

We'd like to request a new option of IMS Catalog API (DFS3CATQ FUNC=GET, FORMAT=DBDLIB, MBR=xxxxxx) to exclude a extended fields table for metadata from an output DBD. Metadata is not needed for IMS database reorganization. In the IMS Catalog API ...

over 4 years ago in IMS System Services / System Management 1 Future consideration

2 VOTE

Enhance DFSDASP0 to not suppress messages when it issues the RACF AUTH call (when ODBASE=Y)

It was determined that we will rely on APSB security checking to control access for applications using the DVM product to access IMS data. This is working as expected. However, we are only getting the following in our system log:DFS2855A APSB SECU...

over 2 years ago in IMS System Services / System Management 1 Future consideration

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