How to upgrade serverless to v8.1

TiDB Cloud
1

I heard tidb cloud support v8.1 now, how to upgrade my serverless to v8.1, current version is v7.1

Release Version: v7.1.3-serverless
Edition: Community
Git Commit Hash: ab1172a7d4827d882885b273cf19c6f03b356941
Git Branch: release-7.1-serverless
UTC Build Time: 2024-07-12 10:07:41
GoVersion: go1.21.11
Race Enabled: false
TiKV Min Version: 6.1.0
Check Table Before Drop: false
Store: tikv
2

TiDB Serverless is a fully managed deployment of TiDB. Major and minor version upgrades of TiDB Serverless are handled by TiDB Cloud and therefore cannot be initiated by users.

Source: TiDB Serverless Limitations and Quotas | PingCAP Docs

Note that version changes are possible with the dedicated tier of TiDB Cloud.

3

@dveeden thank you for ur info.

4

Based on the provided context, I cannot provide specific steps for upgrading a TiDB Serverless cluster from version 7.1 to version 8.1, as TiDB Serverless upgrades are handled automatically by TiDB Cloud and cannot be initiated by users. However, I can provide some relevant information about TiDB Serverless upgrades:

  1. Automatic upgrades: TiDB Serverless clusters are upgraded automatically by TiDB Cloud as new TiDB versions are rolled out. Users do not have control over when or how these upgrades occur.

  2. No self-service upgrades: Major and minor version upgrades of TiDB Serverless are handled by TiDB Cloud and cannot be initiated by users.

  3. Checking current version: While you cannot manually upgrade, you can check your current TiDB version in several ways:

    • Through the TiDB Cloud console
    • By reviewing the latest release notes
    • By connecting to your cluster and running SQL commands like SELECT version() or SELECT tidb_version()

  4. Maintenance window: Users cannot configure a maintenance window for TiDB Serverless clusters. This means you cannot schedule or control when upgrades might occur.

  5. Compatibility considerations: When upgrades do occur, it’s important to be aware of potential compatibility changes between versions. TiDB Cloud recommends reviewing the release notes for each version to understand any changes that might affect your applications or configurations.

  6. Continuous service: Despite not being able to control upgrades, TiDB Serverless is designed to provide continuous service. The upgrade process is managed to minimize disruptions to your database operations.

  7. Latest features: By automatically upgrading to the latest versions, TiDB Serverless ensures that you always have access to the most recent features, performance improvements, and security updates.

Given these limitations, if you require more control over the upgrade process or need to use a specific TiDB version, you might want to consider other TiDB Cloud offerings that provide more flexibility in managing upgrades.

: TiDB Cloud Serverless FAQs | PingCAP Docs
: TiDB Cloud Serverless Limitations | PingCAP Docs
: TiDB Cloud Serverless Limitations | PingCAP Docs
: Upgrade TiDB Using TiUP | PingCAP Docs