Platform compatibility
Rocky Linux 10 on x86-64.
System requirements
Minimum recommended hardware per node:
| Single-node | Cluster node | |
|---|---|---|
| CPU | 4 cores | 4 cores |
| RAM | 16 GB | 16 GB |
| Storage | 100 GB (NVMe preferred) | 100 GB (NVMe preferred) |
For production sizing guidance, see the ClickHouse sizing and hardware recommendations.
WarehousePG
- WarehousePG 6.x or later.
Apache Iceberg®
| Iceberg format version | Read | Write |
|---|---|---|
| v1 | Yes | No |
| v2 (position deletes) | Yes | No |
| v2 (equality deletes) | Yes | No |
| v3 (deletion vectors) | No | No |
Write support for Iceberg isn't yet available. See Known issues.
Object storage
| Provider | Table engines |
|---|---|
| Amazon S3 | IcebergS3, DeltaLake, S3 |
| Azure Blob Storage | IcebergAzureBlobStorage, AzureBlobStorage |
| HDFS | IcebergHDFS, HDFS |
| Local filesystem | IcebergLocal, File |