EDB Postgres AI for ClickHouse compatibility
============================================

Platform compatibility
^^^^^^^^^^^^^^^^^^^^^^

Rocky Linux 10 on x86-64.

System requirements
^^^^^^^^^^^^^^^^^^^

Minimum recommended hardware per node:

.. csv-table::
  :header: "",Single-node,Cluster node
  :widths: 12,25,15
  :align: left
  :class: longtable

  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 <https://clickhouse.com/docs/guides/sizing-and-hardware-recommendations>`_  .

WarehousePG
^^^^^^^^^^^

- WarehousePG 6.x or later.

Apache Iceberg®
^^^^^^^^^^^^^^^

.. csv-table::
  :header: Iceberg format version,Read,Write
  :widths: 12,25,15
  :align: left
  :class: longtable

  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 :ref:`Known issues <Known issues>`  .

Object storage
^^^^^^^^^^^^^^

.. csv-table::
  :header: Provider,Table engines
  :widths: 10,30
  :align: left
  :class: longtable

  Amazon S3,"`IcebergS3`, `DeltaLake`, `S3`"
  Azure Blob Storage,"`IcebergAzureBlobStorage`, `AzureBlobStorage`"
  HDFS,"`IcebergHDFS`, `HDFS`"
  Local filesystem,"`IcebergLocal`, `File`"