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If customers need FAILBACK capability back to Db2 in case SQL has an issue in accelerator, they currently use ENABLE WITH FAILBACK option. However, the routing criteria of ENABLE option includes cost factors calculated by optimizer. Customers want...
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 ...
Monitor IDAA for z/OS physical filesystem in size in real time
There are different UIs such as Data Studio, DSM and and Admin UI and they provide different metrics for storage usage in IDAA on Z. Such as; - Table size in data studio determined at the table level, - Used Space in data studio which comes from U...
Track changes to the JSON file that is uploaded to the IDAA
We are required to document and track all changes to key baseline parameters, all maintenance levels for all software products in our shop, and to identify when parameters change (drift) from the baseline values. The capture, discovery, and report...
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 ...
Since timestamps with timezone specification is not supported into the current last version of IBM DB2 Analytics Accelerator for zOS 7.1, even if the same functionality is already implemented into DB2 for zOS, SIA asks it will be implemented the s...
DSNX messages for IDAA need to be formated better for Auomation
When the IDAA pushes messages to the mainframe, the automation tool has a difficult time in parsing the messages. I even have a difficult time reading the messages as they can be split across multiple occurrences of DSNX881I messages with words br...
Option 12 panel (Change Capture Agent IP address) needs to allow for unplanned change of IP addresses
The current process for clients utilizing the Option 12 panel (Change Capture Agent IP address and TCP port for z/OS) requires that Replication be stopped in a controlled manner prior to updating the IP addresses. This process does not allow for d...
Add the accelerator name in the DISPLAY STATS(LRT) cmd
Hello, When there is more than one accelerator that using Integrated Synchronization, The DISPLAY STATS(LRT) command displays the details for each SESSION ID without the accelerator name. #Db2 for z/OS Best Regards, Ron Hameiri
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