A professional migration planner for ClickHouse clusters that generates detailed execution steps, risk assessments, and rollback strategies.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install alibabacloud-cksync-plan
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install alibabacloud-cksync-plan using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Alibaba Cloud ClickHouse Sync Plan?
The alibabacloud-cksync-plan is a specialized tool within the Openclaw Skills catalog designed to assist database administrators and DevOps engineers in moving data between ClickHouse clusters. It addresses complex scenarios such as migrating from self-built environments to Alibaba Cloud ClickHouse (Community or Enterprise editions), horizontal scaling, and cross-availability zone deployments. By automating the analysis of cluster versions and table metadata, this skill ensures that migration projects are architected for minimal downtime and maximum data integrity.
Using this specific utility from the Openclaw Skills library allows teams to bypass manual compatibility checks and configuration errors. It provides a structured framework for evaluating migration methods like BACKUP/RESTORE, INSERT FROM REMOTE, or Console-based cksync, ensuring the selected path aligns with business constraints such as read-only windows and write speed requirements.
Alibaba Cloud ClickHouse Sync Plan Use Cases
- Planning a migration from on-premise or self-built ClickHouse to Alibaba Cloud ClickHouse Managed Service.
- Executing horizontal scaling operations by adding or removing nodes in a production cluster.
- Performing disk downgrades or moving clusters between different availability zones for cost optimization.
- Upgrading legacy ClickHouse versions to modern multi-replica and multi-AZ deployments.
How Alibaba Cloud ClickHouse Sync Plan Works
- Define the source and target cluster types, including specific versions (e.g., 20.8 to 24.3) to determine method compatibility.
- Collect comprehensive metadata through provided SQL queries or direct HTTP connection to analyze database engines, partition counts, and data sizes.
- Identify business requirements regarding allowed read-only time and zero-downtime needs.
- Analyze the gathered data against the Openclaw Skills migration matrix to recommend the most efficient transfer method.
- Generate a complete Migration Plan document including executive summaries, technical steps, and risk mitigations.
Alibaba Cloud ClickHouse Sync Plan Setup
To start planning your database migration, initialize the skill within your environment:
# Ensure you have access to your ClickHouse clusters
# Run the planner to start the interactive information gathering
openclaw run alibabacloud-cksync-plan
You will be prompted to provide cluster endpoints or execute metadata collection scripts on your source database to populate the migration analysis model.
Alibaba Cloud ClickHouse Sync Plan Data Schema & Taxonomy
The skill organizes migration metadata using a structured taxonomy to ensure all technical constraints are accounted for:
| Object | Metadata Captured | Importance |
|---|---|---|
| Database | Engine Type (Atomic, Ordinary) | Determines structural compatibility |
| Table | Engine, Partitions, TTL, Data Size | Influences migration method and duration |
| Performance | Write Speed (bytes/sec) | Used to calculate sync latency and merge risks |
| Version | ClickHouse Version Number | Dictates support for BACKUP/RESTORE or cksync |
| Target | Edition (Community vs Enterprise) | Defines feature availability for the target cluster |
Alibaba Cloud ClickHouse Sync Plan Advanced Features
- Provisional plan generation: Even with incomplete data, the skill provides a baseline plan with a missing-information checklist.
- Merge storm mitigation: Includes specific instructions on how to handle post-sync merge storms to maintain cluster stability.
- Complex federation support: specialized logic for Big Cluster Federation involving mixed Community and Enterprise environments.
- Automated SQL template generation: Produces ready-to-run INSERT FROM REMOTE and BACKUP commands tailored to your specific schema.
SKILL.md
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