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This section covers the following topics:

Introduction

Terminology used to describe ClickHouse deployments.

Table shards and replicas

Learn what table shards and replicas are and what they’re used for.

Rebalancing data

Approaches to rebalancing data when scaling a cluster.

Separation of storage and compute

Use ClickHouse with object storage to separate storage from compute.

Cluster discovery

Let nodes discover and register themselves automatically via ClickHouse Keeper.

Keeper

Configuring ClickHouse Keeper, the coordination system for replication and distributed DDL.

Monitoring

Monitoring ClickHouse and tracing it with OpenTelemetry.

Examples

Example deployments: replication for fault tolerance, scaling out, and a combined cluster deployment.
Last modified on July 10, 2026