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Db2 Analytics Accelerator for z/OS

Showing 186

Improve performance of queries with correlated subqueries in IDAA v7

Queries with correlated sub-queries where index access is involved will generally run faster on Db2z then on IDAA v7. Since IDAA v7 supports correlated subqueries, these queries are generally offloaded to IDAA, although they may run significantly ...
9 months ago in Db2 Analytics Accelerator for z/OS 2 Future consideration

setup limitations on cpu, memory, workspace and elapstime

Hi, when migrating from Netezza to the new IDAA appliances (Db2 Blue), we saw a lot of new issues popping up. One major issue that is still not solved in v7.5.3, is that we experience a lot of very long running queries in the appliance. Sometimes ...
9 months ago in Db2 Analytics Accelerator for z/OS 0 Future consideration

Request IDAA V7 Container code via Shop Z and SMP

Today, V7 container code for both IIAS and Z are downloaded from Fix Central. It is a different download and website than normal Stored Procedure and other Db2 related maintenance PTFs. Some customers have download issues such as download runs for...
9 months ago in Db2 Analytics Accelerator for z/OS 1 Not under consideration

Report Insync latency on table level

As of today, Insync latency is reported via "Q8STCRL: The current replication latency for this DB2 system". This provides an overall latency but does not help which table is the most contributer to the latency. If customers monitor a high latency ...
about 1 year ago in Db2 Analytics Accelerator for z/OS 1 Future consideration

LASTUSED information for accelerated tables

All accelerated tables should have LASTUSED information. The Lastused information enables:1) Removal of tables not used.2) Avoid unnessecerary loads of tables3) Frees up space on Accelerator4) Reduces accelerator table maintenance5) Removes o...
about 1 year ago in Db2 Analytics Accelerator for z/OS 0 Future consideration

IDAA V7 - Insync - limit number of updates/inserts/deletes in one transaction

Some application areas do the mass updates with one commit causing replication (InSync) to fail for the Db2 Subsystem.
7 months ago in Db2 Analytics Accelerator for z/OS 4 Delivered


We would like to have a "flag" column in SYSACCEL.SYSACCELERATEDTABLES that would indicate if table is in replication or not.
over 4 years ago in Db2 Analytics Accelerator for z/OS 1 Future consideration

IDAA AOT support for High Availability

Customer would like to use IDAA Accelerator Only Tables on a High Availability scenario.They currently have 4 IDAAs in production and the lack of HA support limits their AOT utilization
over 4 years ago in Db2 Analytics Accelerator for z/OS 1 Delivered

V7 - Truncate VARCHAR columns larger than 32592 allowing loads/replication

V5 allowed loads/replication of tables having a VARCHAR column larger than 32592. V7 does not. Our company has several tables that are loaded/replicated to the V5 appliance that now cannot be. The tables can not be changed because they are par...
5 months ago in Db2 Analytics Accelerator for z/OS 3 Planned for future release

Workload Management Rules for IDAA version 7

Requesting the ability to create workload management rules for various workloads within the DB2 Analytics Accelorator version 7 on both Z and IIAS appliance. Workloads including incremental update, load, and query.
almost 2 years ago in Db2 Analytics Accelerator for z/OS 2 Delivered