ClickHouse
@clickhouse.com
ClickHouse is the fastest open-source OLAP database ⚡
Download: http://clickhouse.com
GitHub: http://clickhou.se/GitHub
Slack: http://clickhouse.com/slack
Download: http://clickhouse.com
GitHub: http://clickhou.se/GitHub
Slack: http://clickhouse.com/slack
ClickHouse Managed Postgres uses WAL-aware backpressure to prevent a WAL backlog from filling the disk and triggering a PANIC.
clickhouse.com/blog/wal-bac...
Client writes slow while the archiver drains at full speed. When the backlog clears, the cap lifts automatically.
clickhouse.com/blog/wal-bac...
Client writes slow while the archiver drains at full speed. When the backlog clears, the cap lifts automatically.
What is WAL backpressure, and why does ClickHouse Managed Postgres need it? | ClickHouse
How ClickHouse Managed Postgres uses WAL-aware backpressure to slow client writes, protect disk space, and let the archiver recover.
clickhouse.com
August 5, 2026 at 4:11 PM
ClickHouse Managed Postgres uses WAL-aware backpressure to prevent a WAL backlog from filling the disk and triggering a PANIC.
clickhouse.com/blog/wal-bac...
Client writes slow while the archiver drains at full speed. When the backlog clears, the cap lifts automatically.
clickhouse.com/blog/wal-bac...
Client writes slow while the archiver drains at full speed. When the backlog clears, the cap lifts automatically.
We rebuilt ClickHouse Cloud's autoscaling orchestration with controller-runtime and a ClickHouse-powered signals table, to support reactive, near real-time scaling recommendations.
How it works: clickhouse.com/blog/making-...
How it works: clickhouse.com/blog/making-...
Fixed cadence to seconds: making ClickHouse Cloud autoscaling more reactive | ClickHouse
How we rebuilt ClickHouse Cloud's autoscaling orchestration on Kubernetes' controller-runtime and a ClickHouse-powered signals table, adding a reactive fast path that scales services up in seconds…
clickhouse.com
August 4, 2026 at 1:31 PM
We rebuilt ClickHouse Cloud's autoscaling orchestration with controller-runtime and a ClickHouse-powered signals table, to support reactive, near real-time scaling recommendations.
How it works: clickhouse.com/blog/making-...
How it works: clickhouse.com/blog/making-...
Alexey Milovidov brought 110 database systems online in one playground.
Go play 👉 clickhouse.com/blog/clickbe...
Go play 👉 clickhouse.com/blog/clickbe...
I created a playground for 110 database systems | ClickHouse
You can choose any of these hundred database systems and run queries. You can create tables and databases, insert data, drop tables, etc. Every database comes with a preloaded dataset of 100 million…
clickhouse.com
August 3, 2026 at 9:59 AM
Alexey Milovidov brought 110 database systems online in one playground.
Go play 👉 clickhouse.com/blog/clickbe...
Go play 👉 clickhouse.com/blog/clickbe...
clickhousectl v0.4.0 is out. Update now with: clickhousectl update
What's new in clickhousectl v0.4.0 | ClickHouse
clickhousectl v0.4.0 adds horizontal autoscaling for Cloud services, ClickPipe schema discovery, finer control over ClickPipe ingestion, and opt-out anonymous usage telemetry.
clickhou.se
July 31, 2026 at 2:00 PM
clickhousectl v0.4.0 is out. Update now with: clickhousectl update
ClickHouse is your observability store, but what do you put on top to work with the data?
Choosing Between ClickStack and Grafana for ClickHouse Observability | ClickHouse
Using ClickHouse for observability and wondering which interface best fits your workflows? We explore ClickStack, Grafana, and when it makes sense to use both.
clickhou.se
July 30, 2026 at 6:00 PM
ClickHouse is your observability store, but what do you put on top to work with the data?
What does a coding agent need to build real infrastructure?
Agentic infrastructure with clickhousectl: a distributed ClickStack across three continents | ClickHouse
How a coding agent used clickhousectl to stand up a distributed ClickStack across the US, Europe, and Japan, with regional ingestion and one global view.
clickhou.se
July 22, 2026 at 7:06 PM
What does a coding agent need to build real infrastructure?
@clickhouse/rowbinary is a Node.js reader and writer for ClickHouse's RowBinary format that doubles as an Agent Skill.
@clickhouse/rowbinary: when your library is also a parser compiler | ClickHouse
We've released @clickhouse/rowbinary a Node.js reader and writer for ClickHouse's RowBinary formats. You can import it and call its generic parser like any other library. But it also ships as an…
clickhou.se
July 15, 2026 at 11:02 AM
@clickhouse/rowbinary is a Node.js reader and writer for ClickHouse's RowBinary format that doubles as an Agent Skill.
ClickHouse now embeds its documentation so you don't need to leave the client to get help.
clickhou.se/4y3UQrb
clickhou.se/4y3UQrb
July 7, 2026 at 4:01 PM
ClickHouse now embeds its documentation so you don't need to leave the client to get help.
clickhou.se/4y3UQrb
clickhou.se/4y3UQrb
Can you render ray tracing inside your database? If you use ClickHouse, you can! This video was rendered entirely inside ClickHouse. clickhou.se/4v9Ljfx
June 30, 2026 at 12:21 PM
Can you render ray tracing inside your database? If you use ClickHouse, you can! This video was rendered entirely inside ClickHouse. clickhou.se/4v9Ljfx
We're building Click-a-thon with some incredible companies.
InMobi. Atlys. Sony LIV. These teams are bringing real-world engineering problems to the table, and 150+ developers will spend 24 hours building open-source solutions around them.
That's what co-innovation looks like.
🧵 👇️
InMobi. Atlys. Sony LIV. These teams are bringing real-world engineering problems to the table, and 150+ developers will spend 24 hours building open-source solutions around them.
That's what co-innovation looks like.
🧵 👇️
June 30, 2026 at 3:30 AM
We're building Click-a-thon with some incredible companies.
InMobi. Atlys. Sony LIV. These teams are bringing real-world engineering problems to the table, and 150+ developers will spend 24 hours building open-source solutions around them.
That's what co-innovation looks like.
🧵 👇️
InMobi. Atlys. Sony LIV. These teams are bringing real-world engineering problems to the table, and 150+ developers will spend 24 hours building open-source solutions around them.
That's what co-innovation looks like.
🧵 👇️
ClickHouse is known for its developer experience; but how do we extend that into the agentic era?
Al Brown shares what we've been learning as we start to design for agents as a primary user.
clickhou.se/3Rb9pZ8
Al Brown shares what we've been learning as we start to design for agents as a primary user.
clickhou.se/3Rb9pZ8
Agents hate friction: early thoughts on building for agents | ClickHouse
We've had decades to learn what it means to design software and hardware for humans. How do we build experiences where the primary user may now be an LLM?
clickhouse.com
June 29, 2026 at 1:28 PM
ClickHouse is known for its developer experience; but how do we extend that into the agentic era?
Al Brown shares what we've been learning as we start to design for agents as a primary user.
clickhou.se/3Rb9pZ8
Al Brown shares what we've been learning as we start to design for agents as a primary user.
clickhou.se/3Rb9pZ8
Tsvetan spent 6 months hunting real bugs with AI in the loop, and wrote an honest account of what that actually takes.
Will Mythos arrive and take the human out of the loop?
clickhou.se/4ahA6lu
Will Mythos arrive and take the human out of the loop?
clickhou.se/4ahA6lu
How I hunt for vulnerabilities with AI | ClickHouse
I'm an experienced software engineer, but I'm not a seasoned bug bounty hunter. I used GitHub Copilot in combination with Claude Opus and Gemini models to search for vulnerabilities in the ClickHouse…
clickhouse.com
June 26, 2026 at 2:38 PM
Tsvetan spent 6 months hunting real bugs with AI in the loop, and wrote an honest account of what that actually takes.
Will Mythos arrive and take the human out of the loop?
clickhou.se/4ahA6lu
Will Mythos arrive and take the human out of the loop?
clickhou.se/4ahA6lu
What 10 years of building in the open has produced:
- 200+ integrations
- Supporting open standards: OpenTelemetry, MCP, Iceberg, Delta Lake
- dbt, Airflow, Grafana, Fivetran, PeerDB, and hundreds more
- ClickStack, Langfuse, LibreChat building on top of ClickHouse
clickhou.se/4ebNji0
- 200+ integrations
- Supporting open standards: OpenTelemetry, MCP, Iceberg, Delta Lake
- dbt, Airflow, Grafana, Fivetran, PeerDB, and hundreds more
- ClickStack, Langfuse, LibreChat building on top of ClickHouse
clickhou.se/4ebNji0
The open ecosystem around ClickHouse
Around any good database sits the clients you import, the dashboards your team shares, the pipelines that feed it, the projects that build on top of it, and now the agents that query it.
clickhouse.com
June 17, 2026 at 4:20 PM
What 10 years of building in the open has produced:
- 200+ integrations
- Supporting open standards: OpenTelemetry, MCP, Iceberg, Delta Lake
- dbt, Airflow, Grafana, Fivetran, PeerDB, and hundreds more
- ClickStack, Langfuse, LibreChat building on top of ClickHouse
clickhou.se/4ebNji0
- 200+ integrations
- Supporting open standards: OpenTelemetry, MCP, Iceberg, Delta Lake
- dbt, Airflow, Grafana, Fivetran, PeerDB, and hundreds more
- ClickStack, Langfuse, LibreChat building on top of ClickHouse
clickhou.se/4ebNji0
10 years of ClickHouse open source. 🎉
2,600+ contributors. ~239k commits. Hundreds of millions of downloads.
To everyone who built this with us: thank you. The journey's only just begun.
clickhou.se/4vRpPVe
2,600+ contributors. ~239k commits. Hundreds of millions of downloads.
To everyone who built this with us: thank you. The journey's only just begun.
clickhou.se/4vRpPVe
What a difference 10 years of open source makes
On June 15, 2016, ClickHouse went open source under the Apache 2.0 license. Ten years later, it's one of the most widely deployed analytical databases in the world.
clickhouse.com
June 16, 2026 at 5:11 PM
10 years of ClickHouse open source. 🎉
2,600+ contributors. ~239k commits. Hundreds of millions of downloads.
To everyone who built this with us: thank you. The journey's only just begun.
clickhou.se/4vRpPVe
2,600+ contributors. ~239k commits. Hundreds of millions of downloads.
To everyone who built this with us: thank you. The journey's only just begun.
clickhou.se/4vRpPVe
How do you monitor an SLA on a user-facing dashboard query?
Tag queries with log_comment='frontend-dashboard'. Track p99 in system.query_log. When it breaches: concurrency problem → add replicas. Data growth → bigger replicas.
clickhousectl lets an agent drive the whole loop.
clickhou.se/4e7atF6
Tag queries with log_comment='frontend-dashboard'. Track p99 in system.query_log. When it breaches: concurrency problem → add replicas. Data growth → bigger replicas.
clickhousectl lets an agent drive the whole loop.
clickhou.se/4e7atF6
Monitor SLAs and scale ClickHouse Cloud with clickhousectl and agents
Tag queries to track per-workload SLAs, then use clickhousectl to investigate breaches and scale ClickHouse Cloud, with an agent to remediate.
clickhouse.com
June 5, 2026 at 4:47 PM
How do you monitor an SLA on a user-facing dashboard query?
Tag queries with log_comment='frontend-dashboard'. Track p99 in system.query_log. When it breaches: concurrency problem → add replicas. Data growth → bigger replicas.
clickhousectl lets an agent drive the whole loop.
clickhou.se/4e7atF6
Tag queries with log_comment='frontend-dashboard'. Track p99 in system.query_log. When it breaches: concurrency problem → add replicas. Data growth → bigger replicas.
clickhousectl lets an agent drive the whole loop.
clickhou.se/4e7atF6
India's devs are building some of the most data-intensive systems on the planet. We want you in the room, building something real. What will you build?
Click-a-thon 2026 is ClickHouse's first in-person hackathon in India. Bengaluru, August 1–2. Teams of 2 to 4. 24 hours. ₹10,00,000 prize pool.
🧵 👇️
Click-a-thon 2026 is ClickHouse's first in-person hackathon in India. Bengaluru, August 1–2. Teams of 2 to 4. 24 hours. ₹10,00,000 prize pool.
🧵 👇️
June 4, 2026 at 11:15 AM
India's devs are building some of the most data-intensive systems on the planet. We want you in the room, building something real. What will you build?
Click-a-thon 2026 is ClickHouse's first in-person hackathon in India. Bengaluru, August 1–2. Teams of 2 to 4. 24 hours. ₹10,00,000 prize pool.
🧵 👇️
Click-a-thon 2026 is ClickHouse's first in-person hackathon in India. Bengaluru, August 1–2. Teams of 2 to 4. 24 hours. ₹10,00,000 prize pool.
🧵 👇️
🚀 Build with the fastest database on the planet.
Introducing Click-a-thon 2026 - ClickHouse's first in-person developer hackathon in India.
24 hours · ~120 developers · ~30 teams
📅 1–2 August 2026 · Bengaluru
Pick your track:
➡️ Real-Time Analytics
➡️ Observability
➡️ Data Warehousing
🧵👇
Introducing Click-a-thon 2026 - ClickHouse's first in-person developer hackathon in India.
24 hours · ~120 developers · ~30 teams
📅 1–2 August 2026 · Bengaluru
Pick your track:
➡️ Real-Time Analytics
➡️ Observability
➡️ Data Warehousing
🧵👇
June 2, 2026 at 4:30 AM
🚀 Build with the fastest database on the planet.
Introducing Click-a-thon 2026 - ClickHouse's first in-person developer hackathon in India.
24 hours · ~120 developers · ~30 teams
📅 1–2 August 2026 · Bengaluru
Pick your track:
➡️ Real-Time Analytics
➡️ Observability
➡️ Data Warehousing
🧵👇
Introducing Click-a-thon 2026 - ClickHouse's first in-person developer hackathon in India.
24 hours · ~120 developers · ~30 teams
📅 1–2 August 2026 · Bengaluru
Pick your track:
➡️ Real-Time Analytics
➡️ Observability
➡️ Data Warehousing
🧵👇
5 countries. 6 cities. 12 days. 1 ClickHouse 🌏
Last month, our CTO and the creator of ClickHouse, Alexey Milovidov, hit the road across APJ - Mumbai, Bengaluru, Singapore, Jakarta, Seoul, and Tokyo - meeting customers, keynoting Confluent's Data Streaming World Tour, hosting community meetups,
🧵 👇️
Last month, our CTO and the creator of ClickHouse, Alexey Milovidov, hit the road across APJ - Mumbai, Bengaluru, Singapore, Jakarta, Seoul, and Tokyo - meeting customers, keynoting Confluent's Data Streaming World Tour, hosting community meetups,
🧵 👇️
5 Countries, 12 Days, One ClickHouse: Inside Alexey's APJ AI Tour
5 Countries, 12 Days, One ClickHouse: Inside Alexey's APJ AI Tour
clickhouse.com
May 29, 2026 at 8:02 AM
5 countries. 6 cities. 12 days. 1 ClickHouse 🌏
Last month, our CTO and the creator of ClickHouse, Alexey Milovidov, hit the road across APJ - Mumbai, Bengaluru, Singapore, Jakarta, Seoul, and Tokyo - meeting customers, keynoting Confluent's Data Streaming World Tour, hosting community meetups,
🧵 👇️
Last month, our CTO and the creator of ClickHouse, Alexey Milovidov, hit the road across APJ - Mumbai, Bengaluru, Singapore, Jakarta, Seoul, and Tokyo - meeting customers, keynoting Confluent's Data Streaming World Tour, hosting community meetups,
🧵 👇️
clickhousectl v0.2.0 is out, bringing support for Postgres and ClickPipes.
Your agents can now scaffold a full transactional + analytical stack locally, iterate against it, and push to Cloud when it's ready for prod.
clickhou.se/4wLzu16
Your agents can now scaffold a full transactional + analytical stack locally, iterate against it, and push to Cloud when it's ready for prod.
clickhou.se/4wLzu16
clickhousectl v0.2.0: Postgres, ClickPipes and more
We're releasing clickhousectl v0.2.0. This release adds Postgres, ClickPipes, SQL over HTTP, a few agent-friendly output tweaks, and a standalone Rust client library for the ClickHouse Cloud API.
clickhouse.com
May 20, 2026 at 5:21 PM
clickhousectl v0.2.0 is out, bringing support for Postgres and ClickPipes.
Your agents can now scaffold a full transactional + analytical stack locally, iterate against it, and push to Cloud when it's ready for prod.
clickhou.se/4wLzu16
Your agents can now scaffold a full transactional + analytical stack locally, iterate against it, and push to Cloud when it's ready for prod.
clickhou.se/4wLzu16
New guide up: getting started with clickhousectl.
A full walkthrough from zero to a working ClickHouse project:
clickhou.se/3Qd8ff0
A full walkthrough from zero to a working ClickHouse project:
clickhou.se/3Qd8ff0
Getting started with clickhousectl: the ClickHouse CLI for local and cloud
A hands-on guide to clickhousectl, the ClickHouse CLI. Install it, scaffold a project, manage local servers, connect to ClickHouse Cloud, and set up CI/CD — all from your terminal.
clickhouse.com
April 16, 2026 at 5:05 PM
New guide up: getting started with clickhousectl.
A full walkthrough from zero to a working ClickHouse project:
clickhou.se/3Qd8ff0
A full walkthrough from zero to a working ClickHouse project:
clickhou.se/3Qd8ff0
Introducing clickhousectl: the official CLI for ClickHouse. Now in beta.
You can use the CLI for local development and operating ClickHouse Cloud: manage versions, run local servers, and control your cloud services from the same interface.
clickhou.se/41qoA2h
You can use the CLI for local development and operating ClickHouse Cloud: manage versions, run local servers, and control your cloud services from the same interface.
clickhou.se/41qoA2h
Introducing clickhousectl: the CLI for ClickHouse local and cloud (beta)
clickhousectl is the official CLI for ClickHouse. It manages local installations, runs local servers, and operates ClickHouse Cloud. It's designed to work for humans and AI agents alike.
clickhouse.com
April 9, 2026 at 5:39 PM
Introducing clickhousectl: the official CLI for ClickHouse. Now in beta.
You can use the CLI for local development and operating ClickHouse Cloud: manage versions, run local servers, and control your cloud services from the same interface.
clickhou.se/41qoA2h
You can use the CLI for local development and operating ClickHouse Cloud: manage versions, run local servers, and control your cloud services from the same interface.
clickhou.se/41qoA2h