IBM Data Platform Ideas Portal for Customers


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Search results: Db2 for z/OS

Showing 26

DISPLAY BUFFERPOOL issues a message, TOTAL SYNC I/O DELAY FOR BP?? = ?????????? MILLISECONDS.

We are currently are running a bufferpool simulation in production. When I issue the command: -DISPLAY BUFFERPOOL(BP40) DETAIL(INTERVAL) The following message is issued: DSNB432I -DPP2 SIMULATED BUFFER POOL ACTIVITY - AVOIDABLE READ PAGE MISSES - ...
3 months ago in Db2 for z/OS 1 Not under consideration

Allow 3 different options for statement concentration.

We would like 3 options for statement concentration. It is importantthat all three options are available. 1. No concentration. (already exists) 2. Concentrate queries that have no parameter markers (Current DB2 concentration) 3. Concentrate querie...
about 12 years ago in Db2 for z/OS 1 Not under consideration

Show DB2 Recovery progress status in the db2 master log

Improve the messaging in the db2 log in order to be able to have a better idea of the progress of a recovery and how long it might take. For instance, currently message DSNR048I is issued every 2 minutes during abort recovery. It would be very hel...
over 9 years ago in Db2 for z/OS 0 Not under consideration

support list partitioning - Range-Partitioning allows only to define the upper limit for a partitioned Tablespace.

Full Support for LIST-Partitioning required! With classical Partitioning or UTS Partion-by-Range you can only define the upper limits (key-Ranges) for a partitioned Tablespace. The lower partition-range ist defined by the highest value of the next...
almost 13 years ago in Db2 for z/OS 1 Not under consideration

Db2: V13 Access Path regression: Tablespace scan regresses to nonmatching index scan. After turning this in as a problem, we were told that it was working as designed. Our suggestion is that the design is flawed.

We feel the design is flawed and strongly feel this is a bug. The only time a non-matching index scan should be considered versus the tablespace scan is when it can at least filter the result somewhat. There are ZERO columns in the index that matc...
8 months ago in Db2 for z/OS 1 Not under consideration

Rotate an archive-enabled PBR tablespace without causing a deadlock

When we try to rotate partitions of an archive-enabled PBR tablespace, Db2 requires us to disable archiving before the rotate then re-enable archiving after the rotate. However, when we re-enable archiving we cause a deadlock with CICS and the onl...
about 3 years ago in Db2 for z/OS 0 Not under consideration

allow CREATE TABLE LIKE another table and propagate table partition limits

Today, it is possible to create a PBG tablespace and then use CREATE TABLE like another table and the new table is in the new ts. CREATE TABLESPACE ZPOLCL IN DDB01P SEGSIZE 64; CREATE TABLE TPOLCL LIKE DBCCLP1.TPOL IN DDB01P.ZPOLCL; If the source...
10 months ago in Db2 for z/OS 0 Not under consideration

Lock Escalation Action zParm for Pre-Escalation

A new zParm that would enable feature in DB2 to: 1) detect request for LOCK ESCALATION2) lookup thread characteristics/criteria in control 'table'3) take action (coded in 'table') based on entry in control 'table', OR take a default action (i.e. d...
over 7 years ago in Db2 for z/OS 1 Not under consideration

New Function UNHEX

New Function UNHEX (name subject to change/negotiation) We have a system where all CHAR columns are defined FOR BIT DATA. It seemed genius at the time to save a few bytes of data, not realizing the negative impact in future maintainability and in ...
11 months ago in Db2 for z/OS 3 Not under consideration

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 7 years ago in Db2 for z/OS 0 Not under consideration

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