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IMS Transaction Manager

Showing 163

Specify OTMA Destination Descriptors for TYPE=MQSERIES in DFSYDTx in shared PROCLIB

Implementation of TYPE=MQSERIES descriptors in DFSYDTx member have some drawbacks when using a shared PROCLIB.In an IMSplex with two MQ members, one in each LPAR with different names, you have to define the descriptor for both in the same DFSYDTx ...
over 10 years ago in IMS Transaction Manager / General TM 1 Not under consideration

Dynamic calculation of YTIB and TPIPE limits according storage available

IMS should enhancement the TPIPEs and YTIBs blocks allocation, calculating dynamically the limit to be created according the amount of extended private available. This could be by client choice, for example, setting a parameter MAXTP=MAX instead M...
about 5 years ago in IMS Transaction Manager / Terminal Management 1 Not under consideration

A dynamic PRELOAD in dependant IMS region

Hi, For a Message Processing Region or Fast Path Region, it is possible to enable PRELOAD with a list of modules specified in a DFSMPLxx member of the IMS PROCLIB. To maintain a such static list in DFSMPLxx member is quit a heavy task. If it will ...
about 5 years ago in IMS Transaction Manager / Application Enablement 1 Not under consideration

Make the SHUTDWN parameter of MSGQUEUE macro overridable

Make the SHUTDWN parameter of the MSGQUEUE macro overridable with a new parameter in the DFSPBxxx proclib member or in any other proclib member
about 8 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Provide a way to reset the RM Program Resource from other than the owning IMS

We need to reset the RM Program Resource by command, from other IMS than the owning IMS, to release a program that is held by a failed IMS.
over 5 years ago in IMS Transaction Manager / Application Enablement 1 Not under consideration

Moving LSAVs into OTMA ITASK block itself for removing any storage management overhead

Add the 20 save areas into the main OTMA ITASK block DSECT, for example DFSYQAB. Get the one block, chain its save areas together, and then pass SA1 to DFSCIR. This will get rid of LSAVs and the DFSBCB GET for save areas all together.
over 5 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

Issue informational message when QBUFMAX parameter was reached

Customer faced two hung situations where QBUFMAX parameter was reached. They would like to receive a message when this parameter was reached and also if, during initialization the QBUFMAX value is the same as QBUF specification
about 11 years ago in IMS Transaction Manager / Message Queue Management 5 Not under consideration

Locked data due to failure in DB2 thread deallocation in MPP abend

On transaction abends additional failures can occur that prevent deallocation of the DB2 threads. DB2 data may remain locked until the problem is noticed and the thread is cancelled or the MPP region recycled.When IMS fails to deallocate the DB2 t...
over 5 years ago in IMS Transaction Manager / General TM 1 Not under consideration

IMS SINGLE TCB per TMEMBER BOTTLENECK

The current IMS design has a single TCB per TMEMBER, resulting in bottlenecks once transaction volume approaches the critical limit (which is unknown at this time). While IMS performance testing has shown IMS can handle 100K trxs per second, the b...
over 8 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

add MQMD_EXPIRY in DFSYDTx for MQ destination descriptor

Hello, we currently use DFSYDTx member in PROC lib to define MQ destination descriptor for IMS transaction to send out message to MQ queue, but there is no MQMD_EXPIRY parameter, we don't know how to set expiry time for the MQ message.
over 5 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

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