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ClickHouse Cloud Changelog

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ClickHouse Cloud Changelog Data & Analytics

This week's updates include sticky replica routing over plain HTTPS, custom billing period

This week's updates include sticky replica routing over plain HTTPS, custom billing period start dates, and new initial-load controls for object storage ClickPipes. Sticky replica routing over HTTPS (private preview) You can now pin queries to a specific replica over standard HTTPS by adding a ?session_id= parameter to your normal service URL, with no special hostnames or DNS changes required. Thi…

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ClickHouse Cloud Changelog Data & Analytics

This week's updates include new observability features for Postgres and ClickHouse interna

This week's updates include new observability features for Postgres and ClickHouse internals, expanded ClickPipes controls including Kafka exactly-once delivery, and several platform additions: Azure Marketplace BYOC, the official Airflow provider, and ClickHouse Agents updates. Kafka exactly-once delivery in ClickPipes You can now enable exactly-once delivery for Kafka imports directly in the Cli…

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ClickHouse Cloud Changelog Data & Analytics

Open House 2026 week brought a wave of launches centered on running ClickHouse where your

Open House 2026 week brought a wave of launches centered on running ClickHouse where your data lives and bringing agentic, AI-assisted workflows into the platform. ClickPipes now runs natively on GCP with Private Service Connect ClickPipes infrastructure now runs in the same GCP region as your ClickHouse Cloud service for all new GCP services created after May 26, including support for Private Ser…

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ClickHouse Cloud Changelog Data & Analytics

GA release of organization spend alerts Organization spend alerts are now generally availa

GA release of organization spend alerts Organization spend alerts are now generally available. Get notified at 50%, 75%, and 100% of your configured organization spend per billing period. Choose from Email, Cloud console (UI), and/or Slack as notification channels. Alerts are based on organization gross usage, fire hourly, and reset automatically each billing period. Requires Org Admin or Billing…

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ClickHouse Cloud Changelog Data & Analytics v1.0.0

Python client v1.0.0 Major version release of clickhouse-connect, the Python client for Cl

Python client v1.0.0 Major version release of clickhouse-connect, the Python client for ClickHouse. Key highlights include: First-class SQLAlchemy dialect with deeper support for ClickHouse-specific SQL Native async client built on aiohttp with full feature parity, including streaming Significant performance improvements for DateTime, DateTime64, fixed-width numeric inserts, Maps, Decimals, and Bi…

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ClickHouse Cloud Changelog Data & Analytics

Postgres query insights (private preview) A new Query insights tab is now available in Cli

Postgres query insights (private preview) A new Query insights tab is now available in ClickHouse Cloud Managed Postgres (Private Preview). It ranks every query pattern by impact and shows why each one is slow across three surfaces: Overview — one-screen database health Patterns — table sortable by runtime, CPU, errors, and P95 Per-pattern flyout — latency percentiles, CPU vs I/O, cache vs disk, t…

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ClickHouse Cloud Changelog Data & Analytics

Index sharding (private preview) Index sharding is now available in private preview. This

Index sharding (private preview) Index sharding is now available in private preview. This feature distributes the index analysis phase across multiple replicas, reducing per-replica memory usage and improving query performance through distributed parallelization. This is especially beneficial for tables with heavy secondary indexes such as vector search and full-text search. Read the blog post for…

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ClickHouse Cloud Changelog Data & Analytics

Refunds visible in billing UI Customers can now see all refunds directly in the Cloud cons

Refunds visible in billing UI Customers can now see all refunds directly in the Cloud console billing UI. Refunds appear once processed; credit card refunds may take additional time to show on statements depending on the bank. Organization spend alerts (Private Preview) Organization spend alerts are now available in Private Preview. Get notified at 50%, 75%, and 100% of your configured organizatio…

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ClickHouse Cloud Changelog Data & Analytics

Centralized marketplace billing Customers can now consolidate billing across organizations

Centralized marketplace billing Customers can now consolidate billing across organizations through a single cloud marketplace subscription (AWS, Azure, and GCP). Key updates include: Marketplace Subscription Sharing: Switch an organization from credit card billing to an existing marketplace subscription from another organization, removing the need to set up an additional marketplace subscription.…

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ClickHouse Cloud Changelog Data & Analytics

Smarter auto-scaling with two-window recommender: ClickHouse Cloud now uses a dual-lookbac

Smarter auto-scaling with two-window recommender: ClickHouse Cloud now uses a dual-lookback-window approach to vertical auto-scaling, replacing the previous single 30-hour window with a combined 3-hour "small window" and 30-hour "large window." This reduces scale-down latency from up to 30 hours to as little as 3 hours, lowering infrastructure costs for variable workloads without sacrificing scale…

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ClickHouse Cloud Changelog Data & Analytics

BigQuery Connector is now in Private Preview. Read this blogpost for more details and join

BigQuery Connector is now in Private Preview. Read this blogpost for more details and join the waitlist for access. We are pleased to announce support for PCI deployments for Google Cloud. Regions supported: GCP europe-west4 (Netherlands) GCP us-central1 (Iowa) GCP us-east1 (South Carolina) Crash report collection preferences can now be configured at the organization level. This setting was previo…

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ClickHouse Cloud Changelog Data & Analytics

Service-level usage cost filtering via API: Our API now supports filtering your organizati

Service-level usage cost filtering via API: Our API now supports filtering your organization's usage costs by specific service tags, making it easier to analyze spend at a more granular level. Data Catalog integration: You can now connect an external data catalog as a data source. ClickHouse Cloud supports AWS Glue and Unity Catalog (with more coming soon). Once connected, the catalog appears as a…