What's New in This Guide

This section introduces the documentation updates for release 25.2.1xx.

Release 25.2.100 - G39117-01, November 2025

General Updates

• Updated the release number to "25.2.100" in the entire document.
• Updated the Oracle Error Correction Policy table in the Oracle Error Correction Policy section.

Installation Updates

• Added the following global configuration parameters to support automated certificate lifecycle management in the Global Parameters section:
  • /global/tls/autoReloadTLS/enable
  • /global/tls/autoReloadTLS/cronjobExpression
  • /global/ndbappTLS/autoReloadTLS/enable
  • /global/ndbappTLS/autoReloadTLS/cronjobExpression
• Added the following global configuration parameters to support georeplication recovery in the Global Parameters section:
  • /global/geoReplicationRecovery/parallelTransferAndRecovery/enable
  • /global/geoReplicationRecovery/parallelTransferAndRecovery/localTransfer/backupThreadPoolSize
  • /global/geoReplicationRecovery/parallelTransferAndRecovery/localTransfer/checksumThreadPoolSize
  • /global/geoReplicationRecovery/parallelTransferAndRecovery/remoteTransfer/backupThreadPoolSize
  • /global/geoReplicationRecovery/parallelTransferAndRecovery/remoteTransfer/checksumThreadPoolSize

Upgrade Updates

Updated the Upgrading cnDBTier Clusters section to mention that ASM can be enabled for both internal and external communication or can be enabled only for external communication using the global.istioSidecarInject.mode parameter.

Configuration Updates

Added the Changing Authentication Plugins in MySQL section that provides instructions on how to replace the deprecated authentication plugin with caching_sha2_password using the dbtchplugin plugin.