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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Db2

Showing 1336 of 14470

Write-suspend should never hang the engine and disallow connections(RIMS)

Write-suspend should never hang the engine and require it to be restarted. Connections should be allowed and be able to issue a write-resume. Please see PMR18252,442,000
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Optimizer should account for bufferpool hit-ratio when estimated page access time.(RIMS)

In PMR 00962,7TD,000, Goldman Sachs had a scenario where optimizer was choosing a more expensive HSJN over a less expensive NLJN. Shu Lin summaries the problem well: 'In terms of CPU cost and number of IOs, we correctly estimate that NLJN is bette...
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Allow a DBA connection even if maximum connections has been exceeded.(RIMS)

Note from customer: Jill, We need a feature enhancement, where there is a way for a DBA to always be able to connect to the DB (at least one connection), even if maxappls, maxagents, maxwhatever has been hit. DBAs shouldnt have to force off applic...
about 9 years ago in Db2 / Serviceability 0 Not under consideration

New db2diag.log message to indicate when an optimizer plan is missed due to missing temp tablespace(RIMS)

(See Discussion entry for full details) When an optimizer plan is ineligible due to the non-existence of a sufficiently large temporary tablespace (ie. sort is unable to handle the width of workload row size), a db2diag.log message should be writt...
about 9 years ago in Db2 / Analytical Functions 0 Not under consideration

db2support enhancement(RIMS)

From Eric Egdorf at Verizon: It would be nice to be able to provide the db2support command with a pmr number and have it automatically upload the support file.
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Enhance Notify Log(RIMS)

Enhance the notify log to include Recovery Status, and don't split lines at 80chars.
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Session level LOCK TIMEOUT should apply to all lock types.(RIMS)

Currently, the session-level lock timeout only applies to SQLP_TABLE, SQLP_RECORD, SQLP_KEYVALUE, and SQLP_MDCBLOCK. Customer would like this to apply to all locks acquired by the application that set the session-level timeout value.[Michael Snowb...
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Oracle-style isolation level 3 (multi-version read consistency) locking.(RIMS)

A description of Oracle's 'multi-version read consistency' can be found here: http://www.ss64.com/orasyntax/10locking.html. Even DB2's most liberal CS isolation is more strict then this. [update 04-27-2009]: Support for isolation level 3 queries t...
about 9 years ago in Db2 / Serviceability 1 Not under consideration

LOCK ESCALATION: Ability to specify table-level lock-escalation criteria.(RIMS)

Customer wants more granularity on lock-escalation semantics. currently, lock escalation occurs either when an application hit's the MAXLOCKS constraint, or when the database LOCKLIST becomes full. Since lock-escalation is more detrimental on tabl...
about 9 years ago in Db2 / Serviceability 0 Not under consideration

Optimizer documentation needs enhancement(RIMS)

Optimizer documentation needs enhancement. Until a lab services consultant came onsite to help them they were not able to adequately tune their queries due to poor optimizer documentation. Benefit: Verizon is now a very big user of DB2 and we spen...
about 9 years ago in Db2 / Analytical Functions 0 Not under consideration