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IMS Transaction Manager

Showing 195

IMS LOG56FA Field TPMGU=1 after a LOG08 created

In the record x'56FA' of the LOG, the field TPMGU=2 after the creation of a LOG08. Even if the region is in PWFI and that the LOG08 is created because of the PLCT. So we can't use the field TPMGU to count the number of messages processed.
over 7 years ago in IMS Transaction Manager / General TM 3 Not under consideration

IMS "/MODIFY PREPARE ACBLIB" : transactions modified are refused to enter IMS

Between the "/MODIFY PREPARE ACBLIB" and the "/MODIFY COMMIT", the messages for the transactions related to the PSBs modified by the change are refused to enter IMS (message DFS3470). They ought to be accepted and suspend until the "/MODIFY COMMIT".
about 10 years ago in IMS Transaction Manager / General TM 1 Not under consideration

Reuse of DB2 connections and DB2 prepared statements in IMS JMP regions

Java applications running in an IMS JMP region have to reestablish the DB2 connection for each input message they process. Because of this prepared statements also cannot be reused when processing the next input message. They have to be prepared a...
over 7 years ago in IMS Transaction Manager / Application Enablement 3 Not under consideration

Request IBM to add EXPRTIME= for IMS Fast Path transactions

When Fast Path transactions are not processing quickly enough they can back up in IMS, increasing the storage utilized to contain control blocks associated with them. If an IMS expiration value is set, transactions that aren't processed before tha...
over 10 years ago in IMS Transaction Manager / Message Queue Management 0 Not under consideration

Set timeout value on a MQ descriptor (to tell MQ how long time the message stay on the MQ queue before it is deleted)

Be able to set a timeout value for an asynchronous message to MQ using an MQ descriptor. (To tell MQ how long time the message should stay on the MQ queue before it is deleted.)
almost 8 years ago in IMS Transaction Manager / Message Queue Management 2 Not under consideration

Change/increase MAXTP for IMS/TMEMBERs dynamically

Currently, to change the global limit for MAXTP or an individual TMEMBER limit, we need to edit the DFSYDT* members of the PROCLIB and recycle the IMS.
over 2 years ago in IMS Transaction Manager / Open Access TM 1 Future consideration

Change/increase MAXSOC for IMS Connect dynamically

The total number of sockets that IMS Connect supports across all TCP/IP ports at the same time is set by the MAXSOC parameter in the TCPIP configuration statement of the IMS Connect configuration member. If the number of sockets reaches the maximu...
over 2 years ago in IMS Transaction Manager / Open Access TM 1 Future consideration

Reduce IMS ECSA Consumption when using DC Mon on busy systems.

When DC Monitor is started for the first time on a busy IMS system, we observe ECSA growth of several MB, which is not released when DC Monitor is stopped.
over 2 years ago in IMS Transaction Manager / General TM 1 Not under consideration

Autonomic MAXTP TPIPE limit

IMS should optionally autonomically calculate TPIPE limits, instead of making clients calculate what their MAXTP parameter should be.
over 5 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

Remove constraints on number of OTMA resources

We need IMS to allow a much larger number of OTMA resources like TPIPEs, YQABS, etc than currently possible.
over 5 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

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