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Auto-size INDEX_MEMORY_CONTROL system parameter and auto-populate SYSIBM.SYSINDEXCONTROL
To avoid manual analysis and reap the benefits of in-memory index structure / FTB. To automatically allocate more than 20MB (when appropriate) for INDEX_MEMORY_CONTROL zparm. To identify list of indexes that would benefit from FTB based on actual ...
In our organization we are not allowed to do manual changes in Production using GUI, all changes have to be scripted, added to the version-management repository, tested in pre-Prod, and executed as a script, this way they are repeatable, auditable...
SQL DI - include percentile numbers on Data statistics tab post Analyze Data
this is for SQL DI, not sure if I should have raised this under the DB2 for zOS product. In SQL DI workflow we train the model on a table and then post that we can choose the 'Analyze Data' option. If we then go to the Data Statistics tab we are p...
Db2 AI should discover and prevent deadlocks, for example in situations where programs that previously have been in deadlock situations are expected to deadlock again.
In deadlock situations, one of the involved programs will be rolled back, resources have been unnecessarily used and DBA’s must spend time investigating deadlocks. In transaction intensive systems deadlocks also may cause response time delays or o...
metadata ddl change information in the SMP/e HOLD and offer new utility similar to Db2z CATMAINT
Whenever new db2zAI fix introduces metadata catalog changes. customer is trying to make sure their next upgrade/maintenance rollout would take backup and fallback procedures into account Customer suggests Db2zAI upgrade/maintenance SMP/e deliverab...
We use dynamic sql now in nearly all of our applications. It is essential for our shop that the access paths for dynamic sql are as stable as possible. So we will use the new V12 feature "dynamic plan stability". If you look into the manuals and i...
Dynamic Plan Stability - Capture statements from explain
If we want to capture a certain dynamic statement for dynamic plan stability, the statement has to reside in the dynamic statement cache. Than you have to search for the statement id and with the statement íd you're able to capture a certain state...
System Assessment-Hide/Unhide metrics features based on user role
Currently, each user is able to Hide/Unhide Metrics under the Db2zAI dashboard for their own view. It would be very helpful if the Db2 AI administrator could choose which metrics would be available to show. For example, there are metrics that we o...
Customers would benefit if ZAI/Spark residual directory and temporary file cleanup process go after the directory specified in TMPDIR environment variable instead of arbitrarily going to $ZAIHOME/tmp directory.
Our installation ran into an issue with the temprary files created by ZAI filling up /tmp directory. All users of ZAI would benefit from this flexibility to specify our own location in TMPDIR environment variable for the cleanup process.
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