IBM Data Platform Ideas Portal for Customers


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Search results: Db2 for z/OS

Showing 55 of 345

Deadlock need to avoid for ALTER TABLE JOB

ALTER TABLE ALTER COLUMN job should be able to break-in RTS process. Currently, the deadlock may happen between ALTER TABLE ALTER COLUMN job and CORRELATION-ID=014.RTSTST00. We open CASE TS011962039 for the deadlock. From user point of view, the f...
over 2 years ago in Db2 for z/OS 4 Delivered

Improve Space Search Performance for Nearly Full PBR

Currently, when there are many concurrent inserts on a PBR which is nearly full, CPU and elapsed time for inserts increases by many orders of magnitude, to the point where it can completely monopolize the CPU on an LPAR. In past discussions, I was...
over 1 year ago in Db2 for z/OS 0 Future consideration

Reorging a TS with NPSIs, SORT NPSI = AUTO, getting IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE FOR which resulted in DSNU3341I 171 01:39:59.85 DSNURPCT - CANNOT ALLOCATE SORT DATASETS WITHIN 255 LIMIT , REORG should change to SORTNPSI = NO to prevent abend

Reorg TS with NPSIs and SORTNPSI or zparm REORG_PART_SORT_NPSI = AUTO. Reorg decides to run with SORTNPSI YES which sorts all keys for NPSIs. Job is having issues getting DASD resulting in numerous: 01.39.58 J0916868 IGD17272I VOLUME SELECTION HAS...
over 4 years ago in Db2 for z/OS 1 Not under consideration

Allow join of base temporal table to archive enabled tables

Temporal and archive enabled tables both provide valuable features depending on the use case for the data. We've implemented both types of tables in our Production environment and had initially implemented temporal tables for one of our most criti...
over 1 year ago in Db2 for z/OS 0 Future consideration

I/O required for RI check against the parent table when inserts done on the child table.

We have noticed that there is a high number of get pages on the parents indexes when doing an INSERT of a child row. Here are the details of our situation: The parent table has a partitioned primary key index with 132 partitions. The...
over 6 years ago in Db2 for z/OS 0 Not under consideration

display startup message about VUE status

Activating VUE in DB2 involves a change to the zparm but there is nothing in the DB2 MSTR log which states that it is active. In MQ you get a couple of messages on startup, including CSQY036I +xxxx CSQYASCP QMGRPROD=VUE, recording product usage fo...
almost 6 years ago in Db2 for z/OS 0 Not under consideration

New ZPARM for SYSTIMESENSITIVE Bind Option

Please reference CASE TS005056787 ( Temporal Table access path in Plan_Table does not match dynamic explain). This bind option which is set for using a Temporal Timestamp Register was set with a DEFAULT to YES by IBM for all binds that exclude thi...
over 4 years ago in Db2 for z/OS 1 Not under consideration

Index on RTS versioned History tables

In our environment, we retain the RTS history data for 1 year. Tables are going to grow large due to the busy environment we have.. We would need secondary indexes on these tables. Right now there is none. Since its a years data to analyze the rat...
over 5 years ago in Db2 for z/OS 0 Not under consideration

Optimizer related catalog tables to be temporal

I am aware that a few more tables in the Db2 catalog will be made temporal. This idea is to make ALL catalog tables that the optimizer uses to be temporal. This will enable the user community and also Db2 zAI to extract the statistics that were in...
12 months ago in Db2 for z/OS 1 Not under consideration

Enhance Db2 FTB analytics function Db2 V12

Started last weeks activating FTB in development systems by using ZPARM DSN6SPRM.INDEX_MEMORY_CONTROL. Tried to get information using -DISPLAY STATS(INDEXMEMORYUSAGE) LIMIT(*) -DISPLAY STATS(INDEXTRAVERSECOUNT). i thought i will get deeper to it b...
over 2 years ago in Db2 for z/OS 1 Not under consideration

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