IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 985

Modify the way WLM adjust the Bufferpools size With AUTOSIZE=YES for Bufferpools

With AUTOSIZE=YES for BP's, WLM adjust automatically the size of BP but since that moment the size of BP's is "increasing continously". WLM recommends increasing or decreasing the size of the buffer pool based on the hit ratio but we have observed...
over 6 years ago in Db2 for z/OS 1 Not under consideration

MQSEND function support for MQ group ID

We would like to have MQ group ID and message sequence numbering supported in Db2 MQSEND function. This would help to achive desired message ordering in situations of more complex unit of works. We had a case where we wanted to do more MQSEND call...
over 5 years ago in Db2 for z/OS 1 Not under consideration

Only one Trusted Context is allowed per SYSTEM AUTHID

To request DB2 Trusted Contexts to accept RACF Group name for SYSTEM AUTHID.
over 9 years ago in Db2 for z/OS 0 Planned for future release

Altering table with a CLONE disruption

Currently, when altering a table with a CLONE on it, the clone needs to be dropped and to add it back the following procedure must be followed:1) REORG the tablespace 2) run MODIFY RECOVERY TABLESPACE DSNUM ALL DELETE AGE (*) 3) run an image copy ...
over 6 years ago in Db2 for z/OS 0 Not under consideration

When dropping table retain OBID for when recreating that same table

Any account that utilizes QREP should want this option of retaining OBID
almost 2 years ago in Db2 for z/OS 2 Not under consideration

CREATE TABLE ...LIKE support for AoT Tables

Currently, A CREATE TABLE statement must not contain a LIKE clause that references an accelerator-only table. It is documented in https://www.ibm.com/support/knowledgecenter/SSEPEK_12.0.0/codes/src/tpc/n270.html
almost 4 years ago in Db2 for z/OS 1 Future consideration

Stop Package invalidation on Enable/Disable System Time

System time has proven to be a very valuable resource, but there are some limitations that make it difficult to administer. One of those limitations is that when system time is enabled or disabled it invalidates any static package accessing the ba...
almost 5 years ago in Db2 for z/OS 0 Not under consideration

Control DB2 z/OS IFCID 376 trace volume

When we need to turn on IFCID 376 trace to get information, the trace is an all or nothing setting for the system. In our case, the volume generates in excess of 56 million IFCID 376 records in a day. 99.9% of them are 1108: Long client special Re...
over 7 years ago in Db2 for z/OS 0 Not under consideration

Update DB2 (DDF) to use a stronger Hash Algorithm in the DDF global authentication cache feature

Presently, DB2 DDF is using MD5 Hashing in the DDF global authentication cache feature. This hashing cipher is long considered weak and guidance is that it should no longer be used. We ask IBM to consider a change to DB2 to up level this feature t...
12 months ago in Db2 for z/OS 0 Future consideration

432 VLDB - Reorg to Over-ride/ignore parms

We reorg a list of Tablespaces with a template and use STACK=YES. If a tablespace has an underlying LOB the reorg is abended. The requirement is to not have the REORG abend if the parameters are valid for the base table. SUGGESTION: We would like ...
almost 7 years ago in Db2 for z/OS 1 Not under consideration

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