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IMS System Services

Showing 175

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

UNCOND option support for a GSAM resource in IMS managed ACB environment

In a management ACB environment, our customers must execute IMS Catalog Populate utility (DFS3PU00) or ACB Generation and Catalog Populate utility (DFS3UACB) when they update existing PSB/DBD resources. However, sometimes they need to fall back th...
8 months ago in IMS System Services / System Management 1 Is a defect

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

Provide API to obtain IMS Restart time

Our applications are critical to large company telecommunications systems and we supply a support screen via an IMS 3270 TP transaction which shows system environment information, including installed release levels, IMS Catalog Status, and other z...
4 months ago in IMS System Services / General System 1 Under review

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

Allow ISPF SPOC to use max screen width instead of 80 char

Allow ISPF SPOC to utilize the entire width of a user's screen instead of being limited to 80 characters. Current 3270 emulators can even go as high as 160 chars width. Based on some testing that we did, it seems to be a simple enough change (from...
over 7 years ago in IMS System Services / System Management 2 Not under consideration

Change IMS Catalog Definition Exit DFS3CDX0 to make it more user friendly

DFS3CDX0 is used to provide settings and attributes of the IMS Catalog to Batch application programs.It is an alternative to code “xxx” in the JCL of batch jobs for referencing to DFSDFxxx Member in IMS.PROCLIB. Currently all parameters from DFSDF...
about 6 years ago in IMS System Services / Installation and Configuration 2 Not under 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

Allow IMS applications to connect with the MQ queue sharing group name

Allow a IMS BMP to issue an MQCONN call specifying the queue sharing group name instead of the queue manager name
over 3 years ago in IMS System Services / General System 2 Not under 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

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