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Message Queue Management

Showing 28

AT-TLS awareness for IMS Connect – client certificate RACF user propagation

With AT-TLS and Client authentication it is possible to check the certificate and map it to a RACF userid (SAFCheck Option). Db2 DDF already supports that mechanism, that is called AT-TLS aware (see AT-TLS documentation). We need an option to asso...
about 2 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Enhance Capability of DFSNDMX0 Exit

1) Pass information to exit to indicate if a deadlock abend was due to an ESS deadlock. Business value: DB2 handles lock timeouts on object locks, such as tablespace locks, as deadlocksThese are persistent conditions, a retry of the transaction is...
over 2 years ago in IMS Transaction Manager / Message Queue Management 1 Future consideration

Rescheduling limitation of IMS deadlocked transactions

When an IMS transaction has a deadlock, it abends with an abend code U0777. The input message is placed back at the top of the message queue and the program is reschedulled. If the deadlock situation is repeated, the input message can get requeued...
almost 10 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Total business impact during an IMS autoshutdown due to filling SMSGQ.We could decide whether process or not remote message

We would like to have an option to discard the remote pending messages that arrive to the IMS through the MSC Links in case of an automatic IMS shutdown. Our first option would be to have a new parameter (that we would fix during the start of an I...
about 10 years ago in IMS Transaction Manager / Message Queue Management 52 Not under consideration

PWFI to be kept in the program is the same

A PWFI region is waiting for a new message for the transaction ONE. Actually, when another transaction code (TWO) needs the region, ONE receive the Status code QC, all the environment is offloaded. The environment of TWO is load. If TWO is associa...
over 7 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Request for a new function to control message rescheduling with deadlock case

We need a new function which enable us to cancel message rescheduling in a case of U0777 abend in an IFP region. When a U0777 occurs, an IFP region ALWAYS reschedules the message. Sometimes this specification leads to repeating U0777s if 3 or more...
over 10 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Dynamically increase the queue block, long and short message queue datasets

There should be a possibillity to switch the queue block, long and short message queue datasets to a bigger pre allocated DS without shutting down IMS.I could imagine to issue the switch via command similar to the 'SWITCH xxx' command. The command...
about 7 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

Expiration of Output Messages

Currently input messages to transactions can be expired with the use of EXPRTIME.Output messages have no such option to expire old messages. Having the option to expire old output messages, either globally or for specific Lterms or Tpipes, would b...
about 7 years ago in IMS Transaction Manager / Message Queue Management 0 Not under consideration

Dynamically increasing Short message Queues

It is possible for an administrator to dynamically add page sets (which are basically message queues) to a running queue manager in WebSphere MQ (IBM product), or remove page sets from a running queue manager (except for page set zero). I was hopi...
almost 9 years ago in IMS Transaction Manager / Message Queue Management 3 Not under consideration

Client sendrecv interaction want to receive ISRT ALTPCB output from IMS region

For client who use SENDRECV interaction, it wait for IMS region response by ISRT IOPCB. However, if region use ISRT ALTPCB to send message, the output meessage keep in HOLDQ and client need to use RESUME TPIPE to receive the response message.
over 5 years ago in IMS Transaction Manager / Message Queue Management 1 Not under consideration

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