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Open Access TM

Showing 42

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

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

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

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...
almost 9 years ago in IMS Transaction Manager / Open Access TM 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.
almost 6 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

Optimization of IMS Connect processing with multi-segmented response messages

XCF does not send guarantee that the message segments (commit mode 1) will arrive in the same order that they were sent. For multiple output segments it is up to the XCF receiver - IMS Connect - to order the received segments and make sure they ar...
almost 6 years ago in IMS Transaction Manager / Open Access TM 1 Is a defect

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.
about 6 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

Simplify the use of OTMA descriptors

PROCLIB member DFSYDTx follows the same rule as the ETO descriptor members DFSDSCMx using a one byte suffix. The value must match the SUFFIX= parameter of the IMSGEN system definition macro with the result that we can only create one DFSYDTx membe...
about 6 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

External BPE Trace to support SMS MGMTCLAS

IMS Connect External BPE trace supports the SMS STORCLAS parameter but not the MGMTCLAS parameter.
about 9 years ago in IMS Transaction Manager / Open Access TM 1 Not under consideration

z/OS Connect support for IMS metadata queries and IMS commands / IMS metadata query and IMS command response in JSON format

Most of the new applications are web-based nowadays. The easiest way to process data in web-based applications is to receive and send the data in JSON format and transform JSON data into JavaScript objects. That is why z/OS Connect uses JSON inste...
over 9 years ago in IMS Transaction Manager / Open Access TM 2 Not under consideration

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