Upgrading the Minor Engine Version
Last updated: 2025-12-24 15:00:42
TDMQ for Apache Pulsar pro clusters support the upgrade of minor engine versions. You can manually upgrade the minor engine version in the console to gain access to new features, improve performance, and resolve known issues.
Constraints and Limitations
Only pro clusters support the upgrade of the minor version of the cluster engine.
Upgrades from lower to higher versions are supported; downgrades or rollbacks across compatible versions are not allowed.
The system automatically detects and performs minor version upgrades. Specifying a custom target version is not supported.
Compatible version upgrades of the cluster do not incur any additional charges.
Prerequisites
The minor engine version of the cluster can be upgraded only when the Pulsar cluster status is "healthy".
Operation Steps
1. Log in to the TDMQ for Apache Pulsar console.
2. In the left sidebar, choose Cluster, select the target region, and click the ID of the target cluster to go to the Basic Information page.
3. In the Basic Info section, click the Edit button next to the cluster version and set the upgrade time.
Current Version: The current engine version.
Target Version: The target version will be upgraded to the latest version by default. The system automatically detects minor versions. If the Minor Version button cannot be selected, it indicates the cluster is already on the latest minor version. For differences between minor engine versions, see Cluster Version Updates.
Execution Time: You can select Execute or Custom (any time within the next 24 hours). It is recommended to perform the operation during off-peak hours.
4. Click OK to submit the upgrade task and wait for the upgrade process to complete.
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