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IMS Transaction Manager

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Enhance IRLM to detect cross-subsystem deadlocks

Today the Internal Resource Lock Manager (IRLM) of IMS is not able to communicate with the IRLM of DB2. This causes cross-subsystem deadlock situations not to be detected and not to be resolved. Because such cross-subsystem deadlocks could not be ...
over 7 years ago in IMS Transaction Manager / General TM 3 Not under consideration

API to Return RACF Custom Fields

Capability similar to the Call ‘CBLTDLI' USING AUTH I/O_PCB I/O_AREA API to view a signed on user's additional RACF details from the segments that are defined to that Userid most specially the RACF Custom Fields that are defined for that user. Cur...
about 4 years ago in IMS Transaction Manager / General TM 1 Not under consideration

Add support for message-driven JBP

Currently IMS Java batch programs can't be message-driven. This prevents the modernization of message-driven BMPs and new applications with this processing pattern to be implemented in Java or forces you to using MQ to queue the messages (if MQ is...
over 3 years ago in IMS Transaction Manager / Application Enablement 0 Future consideration

Lock Manager incompatibility between PI and IRLM

We are implementing IMSPLEX configuration for a customer (see diagram attached). Currently we have IMSP instance running on MVS2 LPAR and we are going to add IMSO (IMSP clone) into another new LPAR, using Shared Databases and Shared Queue. See det...
11 months ago in IMS Transaction Manager / General TM 1 Not under consideration

Increase performance of OTMA CM0 tpipes

Using CM0 IMS logging of intput and output messages becomes a bottleneck as message throughput increases on a tpipe. This is often hard to discern as internal transaction responses are unaffected but messages may be significantly delayed on enteri...
over 10 years ago in IMS Transaction Manager / Open Access TM 0 Not under consideration

Ability to display tpipes with a filter on those that have messages queued.

Use the IMS display command to display TPIPES with a queue count only. The current IMS display command for TPIPES yields all tpipes with and without a queue count. This feature should have an optional filter parameter as part of the display comman...
over 4 years ago in IMS Transaction Manager / General TM 1 Not under consideration

XPCS workarea allocated in 24 bit storage causing subsequent program load failures.

When the CDC exit gets loaded it is in the dependentregions storage and the XPCB and XSDB control blocks are in the dependent region private storage according to the AMODE of the exit. . The XPCS workarea is being allocated in only 24 bit storage ...
about 9 years ago in IMS Transaction Manager / General TM 1 Is a defect

IMS OTMA utilization of 64-bit memory for the YTIBs

Each YTIB for an IMS OTMA queued message consumes about 8K of Extended Private Storage from the IMS CTL region. To know how many YTIBs you can afford it depends how much EPVT the IMS CTL region uses at various times. To estimate of how much space ...
over 7 years ago in IMS Transaction Manager / General TM 1 Not under consideration

IMS log record to record internal ROLB

When IMS receives a deadlock response from Db2 for a Normal call fir a non-message driven BMP it does an internal ROLB call.This is the correct thing to do.But there is no indication that IMS did this call.There are no 56xx or 67xx log records. Th...
almost 3 years ago in IMS Transaction Manager / General TM 1 Not under consideration

JWT Token Authentication Support for IMS Connect, TM RA and ICAL

We would like to use JWT (JSON Web Token) as the only method to authenticate against IMS Connect. Similar to what Network Security credential propagation support offers today, but more advanced and specific to JWT. IMS TM RA for inbound should pro...
about 4 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

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