IBM Data and AI Ideas Portal for Customers


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Db2 Analytics Accelerator for z/OS

Showing 161

Ability to make on-line schema changes to tables on IDAA

We are currently evaluating the use of an IDAA server in our environment and would like column additions or alternations on the z/OS DB2 side to transparently be applied to the table on the IDAA server, eliminating the need to manually drop/add/re...
about 8 years ago in Db2 Analytics Accelerator for z/OS 0 Not under consideration

CDC agent on z/OS for IDAA to handle very large transaction robustly

CDC risks bringing down partition when handling very large transactions.Change CDC to handle large transactions, eg by writing data to a spill file if allocated memory is not sufficient, like other CDC implementations.This CDC agent is part of the...
over 8 years ago in Db2 Analytics Accelerator for z/OS 0 Not under consideration

stop offloading queries to IDAA when incremental update is no longer updating a table

need to accelerate OLTP DBs for IDAA. As we keep telling that we can now merge both OLTP-Operational queries together on Z., this is something that is already in our way to resolve. First thing they came up with was the fact that they need a way t...
over 9 years ago in Db2 Analytics Accelerator for z/OS 0 Not under consideration

Provide HASH scalar function support in query acceleration

Our data science team heavily user HASH scalar function in day to day business in complex SQL processing. Unfortunately, it is not supported in current IDAA version 7.5.12. and forces to route to native DB2z. It takes long time and requires heavy ...
2 months ago in Db2 Analytics Accelerator for z/OS 0 Submitted

InSync to NOT disable query acceleration

When IBM Integrated Synchronization detects an error condition for a table, that table is removed from acceleration to prevent Db2 from returning stale data because no more updates are synchronized to Accelerator. The incremental update process in...
over 1 year ago in Db2 Analytics Accelerator for z/OS 0 Not under consideration

Enhance Integrated Synchronization (InSync) to properly handle non-UTS tables when utilities are run against the base tables

InSync's predecessor (Change Data Capture) has never had a problem when utilities such as REORG were performed on non-UTS tables. As we try to convert to InSync, the majority of our replicated tables in IDAA are in legacy simple, non-UTS table spa...
almost 2 years ago in Db2 Analytics Accelerator for z/OS 0 Not under consideration

Row Level Access Control support

Db2 for z/OS customers are using multilevel security for business needs and regulatory reasons. https://www.ibm.com/docs/en/db2-for-zos/12?topic=granularity-creating-tables-multilevel-security If a table is defined with a AS SECURITY LABEL, this t...
over 2 years ago in Db2 Analytics Accelerator for z/OS 1 Not under consideration

Allow specification of Authid under which Federated Tables References are created

DBAs in our organisation gain SYSADM authority via a secondary authid (a RACF Group), and it is that authority that we expect to use when administering the IDAA. However when using internal Db2 security the Create Rference stored procedure to crea...
over 2 years ago in Db2 Analytics Accelerator for z/OS 0 Future consideration

CDC Should Ignore Backout Processing For UOW That Are Not Subscribed

We were impacted by an NPS failure due to the Postmaster task failing. Postmaster restarted successfully. There is a known fix for this. After the restart we noticed a large log recovery lag (36 hours) due to a long-running UOW that had no commits...
over 4 years ago in Db2 Analytics Accelerator for z/OS 1 Not under consideration

Support Temporal table(history table) in IDAA after it was loaded to IDAA as a regular table

Support Temporal table(history table) in IDAA after it was loaded to IDAA as a regular table. A regular table was loaded an use incremental update in the IDAA. Later, this regular table was changed to HISTORY table. We need that this table will...
over 4 years ago in Db2 Analytics Accelerator for z/OS 1 Not under consideration

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