skills.rest
chmonitor
chmonitorOFFICIAL
Explore all skills by this author →
WebsiteGitHub

version-upgrade-advisor

Plan ClickHouse version upgrades with pre-upgrade checks and post-upgrade validation.

255|42|Updated Nov 16, 2023
Search Tags:#database#migration#upgrade#cluster#version#clickhouse#lts
One-click install
npx skills add https://github.com/chmonitor/chmonitor --skill version-upgrade-advisor
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: version-upgrade-advisor
Source: https://github.com/chmonitor/chmonitor/tree/main/.agents/skills/version-upgrade-advisor
Command: npx skills add https://github.com/chmonitor/chmonitor --skill version-upgrade-advisor

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates the risk of unplanned downtime, compatibility breaks, and data loss caused by unplanned or incorrect ClickHouse version upgrades, a common pain point for operators managing self-hosted or cloud ClickHouse deployments.

Core Features & Use Cases

  • Versioning Guidance: Explains ClickHouse's YY.M.patch.build versioning scheme, the difference between regular and LTS releases, and support windows to help you select the optimal target version for your stability and feature needs.
  • End-to-End Upgrade Workflow: Provides step-by-step pre-upgrade configuration and health checks, safe upgrade procedures for both single-node and replicated clusters, and post-upgrade verification steps to confirm a successful upgrade.
  • Use Case: A team running an outdated 23.3 LTS ClickHouse build can use this Skill to plan a safe upgrade to the latest 24.8 LTS, audit their current non-default settings for compatibility, and validate that replication and query performance are healthy after the upgrade.

Quick Start

Use the version-upgrade-advisor skill to plan a safe upgrade path for your ClickHouse deployment, including pre-upgrade checks and post-upgrade verification steps.

Frequently Asked Questions about version-upgrade-advisor

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I safely upgrade a ClickHouse cluster to a newer version without downtime?▼

To safely upgrade a ClickHouse cluster without downtime, perform pre-upgrade configuration audits, execute a rolling upgrade procedure for replicated nodes, and run post-upgrade replication and performance validation checks.

What is the difference between ClickHouse LTS and regular releases for upgrades?▼

ClickHouse LTS releases provide extended stability and support windows compared to regular releases, making them optimal target versions for upgrading deployments that prioritize long-term stability over immediate feature availability.

Does the ClickHouse upgrade procedure work for self-hosted Kubernetes and Docker deployments?▼

Yes, the ClickHouse upgrade procedure supports self-hosted deployments running on Docker, Kubernetes, bare metal, and ClickHouse Cloud, covering both single-node instances and replicated clusters with mixed version constraints.

What should I check before upgrading my ClickHouse database to prevent compatibility breaks?▼

Before upgrading your ClickHouse database, audit current non-default settings for compatibility, verify version support windows, and check system health to prevent unplanned downtime, compatibility breaks, and data loss.

Can I run mixed ClickHouse versions simultaneously in a replicated cluster during an upgrade?▼

Yes, you can run mixed ClickHouse versions in a replicated cluster during an upgrade by following structured rolling upgrade procedures that respect mixed version constraints to maintain data availability.

Related Skills

Explore More Data & Analytics Skills→
dhruvasagardhruvasagar
12

Upgrade Audit

Audit Ruby projects for upgrade readiness and generate a findings report.

Community
Intermediate
IldarMinaevIldarMinaev
1

postgresql-troubleshooting-sql

Run SQL scripts to diagnose PostgreSQL health, replication, storage, and query performance.

Community
Advanced
auxi-wardrobeauxi-wardrobe
1

ck:devops

Automate cloud infrastructure deployment across Cloudflare, Docker, Google Cloud, and Kubernetes.

Official
Advanced
qdrantqdrant
220

qdrant-version-upgrade

Guide rolling upgrades for Qdrant clusters with version compatibility checks.

Official
Advanced