# Consuming the Delta Lake Change Data Feed for CDC

DevFeed: [Consuming the Delta Lake Change Data Feed for CDC](<https://devfeed.tech/articles/consuming-the-delta-lake-change-data-feed-for-cdc-5215.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/consuming-delta-lake-change-data-feed-cdc>)

Author: Pete Hampton & Kelsey Schlarman

Published: 2025-08-19T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Python](<https://devfeed.tech/topics/python.md>), [parquet](<https://devfeed.tech/topics/parquet.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [recommendation systems](<https://devfeed.tech/topics/recommendation-systems.md>)

Tags: [apis](<https://devfeed.tech/tags/apis.md>), [caching](<https://devfeed.tech/tags/caching.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [connectors](<https://devfeed.tech/tags/connectors.md>), [dashboards](<https://devfeed.tech/tags/dashboards.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [object-storage](<https://devfeed.tech/tags/object-storage.md>), [open](<https://devfeed.tech/tags/open.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [parquet](<https://devfeed.tech/tags/parquet.md>), [python](<https://devfeed.tech/tags/python.md>), [real-time](<https://devfeed.tech/tags/real-time.md>)

## AI overview

This post investigates consuming Delta Lake's Change Data Feed for Change Data Capture into ClickHouse. It presents an open-source, MIT-licensed Python reference implementation and discusses when ClickHouse should query Delta Lake data remotely versus keeping data in ClickHouse for faster, latency-sensitive access.

## Source excerpt

In this post, we share everything we have learnt from our investigation into working with Delta Lake's Change Data Feed (CDF). On top, we're open sourcing an MIT-licensed, reference implementation of CDC from Delta Lake to ClickHouse in Python.