What's New in This Guide

This section introduces the documentation updates for release 25.2.2xx.

Release 25.2.201 - G45877-02, March 2026

Made editorial changes to the document.

Release 25.2.201 - G45877-01, March 2026

General Updates
  • Updated the release number to "25.2.201" in the entire document.
  • Updated the Oracle error correction policy information in the Oracle Error Correction Policy section.
Installation Updates
  • To enhance the performance of backup restoration, the following global configuration parameters are added in the Global Parameters section:
    • /global/additionalndbconfigurations/ndb/MaxFKBuildBatchSize
    • /global/additionalndbconfigurations/ndb/MaxUIBuildBatchSize
  • Updated the default values for the following parameters:
    • /global/ndb/restoreparallelism from 128 to 1024
    • /ndb/resources/requests/memory from 16Gi to 18Gi
    • /api/resources/limits/cpu from 8 to 4
    • /api/resources/requests/cpu from 8 to 4
    • /db-replication-svc/resources/limits/cpu from 1 to 1.1
    • /db-replication-svc/resources/requests/cpu from 0.6 to 1.1
    • /db-backup-manager-svc/resources/limits/cpu from 1 to 1.1
    • /db-backup-manager-svc/resources/requests/cpu from 1 to 1.1
Upgrade Updates

Added the section Verifying the Schema Upgrade to verify that the schema upgrade was successful and has been replicated across the georeplication sites.

Rollback Updates

The step 6 of the Rolling Back cnDBTier section is updated to mention that if a rollback from cnDBTier 25.2.2xx to an earlier release is required, you must run the pre-rollback-sts-cleanup script before starting the rollback process.

Fault Recovery Updates

Updated the Monitoring Georeplication Recovery Status Using CNC Console section to update the CNC Console screen. The new UI screen displays the georeplication status across all sites.

Appendix Updates