Highlights of Db2 11.5.5

IBM® Db2 11.5.5 offers database efficiency, simplicity, and reliability in the form of new features and enhancements that address a wide variety of business requirements. Comprehensive enterprise security, simplified installation and deployment, better usability and adoption, a streamlined upgrade process, and enhancements to large databases.

Attention: This mod pack release is currently available for the following Db2 products:

New features and enhancements for Db2 pureScale users

Db2 pureScale® now supports the following capabilities:

2-node HADR Automated Failover with Pacemaker solution is now available and cloud-ready

For more information refer to Integrated solution using Pacemaker.

Multiple standby nodes now supported by Pacemaker HADR solution

Linux users can now configure Pacemaker to support multiple Standby nodes when deploying High Availability and Disaster Recovery (HADR) Db2 solutions. Pacemaker is a cloud-friendly replacement for the IBM® cluster manager, Tivoli® System Automation for Multiplatforms (SA MP). For more information, see the Scenario topic, Deploying two-site multiple standby support with same-site failover automation.

A technical preview update to Machine Learning Optimizer

Db2 11.5.5 includes the following enhancements to the Machine Learning Optimizer technical preview:
  • Models can now be fully exploited for IN predicates and OR predicates with eligible OR subterms
  • The Machine Learning Optimizer can now be used on any Db2 supported platform
  • Model training time has been improved

For more information, see Machine Learning Optimizer Technology Preview for Db2 11.5.4 and 11.5.5.