IBM Data and AI Ideas Portal for Customers


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Workload Management

Showing 13 of 15428

Review automatic prefetch

This IDEA it to request a more dynamic management of PREFETCHSIZE when it is set to AUTOMATIC. The documentation states: "The database updates the prefetch size automatically whenever the number of containers in a table space changes (following su...
about 2 years ago in Db2 / Workload Management 2 Not under consideration

Request is to make WLM Effective only on primary, on STANDBY it should not be in effect

Why is it useful? It helps us restrict the access to users who has readonly access on standbys to accidentlally connect to primary and run some rogue commands. who would benefit from it? We as DBAs, This gives us confidence on how we can use the r...
7 months ago in Db2 / Workload Management 2 Submitted

WLM threshold for used log space

We need an activity threshold to trigger an action whenever a specific activity consumes more than a given amount of transaction log space. I know that there is already some control mechanism by using DB CFG parameters MAX_LOG and NUM_LOG_SPAN , b...
about 6 years ago in Db2 / Workload Management 0 Not under consideration

new aggregated WLM threshold for LOCKLIST at workload/service class level

We have MAXLOCK db-cfg parameter which can be used to avoid a single connection (UOW) to consume the LOCKLIST space. But this parameter some times it not enough. I have seen LOCK escalation cases happening (which locked system tables, causing huge...
over 3 years ago in Db2 / Workload Management 0 Future consideration

Application connections storm slow downs the DB response

I've been assisting with an ecommerce site. During typical days, let's say non-peak/low volume of orders, the DB response is always good. However, the DB response time slows down for a few seconds, notably during peak season/high amount of orders....
almost 3 years ago in Db2 / Workload Management 0 Future consideration

Work identification based on number of subsections in a statement.

Work identification can currently be done based on Estimated cost, Estimated cardinality, Estimated data accessed. Ref: "Work identification by type, cost, or data accessed with work classes - IBM Documentation" This allows for identification of c...
over 1 year ago in Db2 / Workload Management 0 Future consideration

Lowering the limit for ACTIVITYTOTALTIME and UOWTOTALTIME

We should be able to trap the transaction that spent more than 10 seconds with a threshold. Can we change the low limit of the parameter ACTIVITYTOTALTIME and UOWTOTALTIME to allow a magnitude of milli second.
about 10 years ago in Db2 / Workload Management 0 Not under consideration

Mechanism to identify a workload and adjust memory values

Workloads can be different in a database, executed at different times. When the STMM is active, and a workload (let's say A) runs for several hours, then the memory will be fine adjuted for the workload at the end of the execution. However, for th...
almost 4 years ago in Db2 / Workload Management 0 Not under consideration

WLM thresholds and compound expressions

I would like WLM thresholds to have compound expressions.
over 6 years ago in Db2 / Workload Management 0 Not under consideration

SP monitoring

Make monitoring/control of SP via WLM easier.
over 6 years ago in Db2 / Workload Management 0 Not under consideration

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