ClickStack

What it is

Spec sheet

What it does

ClickStack is an open-source observability stack for OpenTelemetry data covering logs, metrics, traces, errors and session replay.Read 15 Oct 2026 · clickhouse.com

Purpose

ClickStack is an open-source observability stack for OpenTelemetry that unifies logs, metrics, traces, session replays, and errors.Read 12 Oct 2026 · clickhouse.com

Deployment options

bothRead 24 Sep 2026 · clickhouse.com

Free plan

YesRead 24 Sep 2026 · clickhouse.com

API

ClickStack has REST APIs for Managed and OSS deployments; managed APIs support dashboard and alert CRUD, while OSS adds chart time-series and webhook endpoints.Read 15 Oct 2026 · clickhouse.com

Integrations

Documented partners include Bindplane, bitdrift, Odigos and Telflo for collector management, mobile telemetry, eBPF tracing and routing control.Read 15 Oct 2026 · clickhouse.com

Agent integrations

The ClickStack MCP server can connect observability workflows to Claude Code, Codex, Cursor, Slack, Linear, Jira, runbooks, internal platforms, or custom agents.Read 12 Oct 2026 · clickhouse.com

Cloud API extensibility

Managed ClickStack resources are exposed through ClickHouse Cloud OpenAPI with downloadable schemas suitable for SDK generation and Postman.Read 15 Oct 2026 · clickhouse.com

Cloud preview status

ClickStack Cloud is in private preview and its pricing had not been finalized on the announcement page.Read 15 Oct 2026 · clickhouse.com

Collection

ClickStack natively supports OpenTelemetry and includes a bundled OpenTelemetry Collector.Read 12 Oct 2026 · clickhouse.com

Company legal name

Crunchbase identifies the maker as ClickHouse, Inc., a privately held for-profit company headquartered in Palo Alto, California.Read 15 Oct 2026 · crunchbase.com

Company profile

LinkedIn lists ClickHouse as founded in 2021 with 501–1,000 employees and headquarters in Palo Alto, California.Read 15 Oct 2026 · linkedin.com

Custom schemas

ClickStack can use non-OTel wide event data when it includes a timestamp field.Read 12 Oct 2026 · clickhouse.com

Dashboards and alerts

ClickStack includes dashboards, alerts, event-delta analysis, event-pattern detection and service maps.Read 15 Oct 2026 · clickhouse.com

Deployment choices

The repository documents all-in-one Docker, Docker Compose, Helm and ClickHouse Cloud deployment, with independently scalable components.Read 15 Oct 2026 · github.com

Documentation depth

The documentation navigation covers architecture, deployment, ingestion, configuration, TTLs, search, dashboards, SQL visualization, alerts, service maps, session replay, RBAC, API reference and an MCP server.Read 15 Oct 2026 · clickhouse.com

Embedded edition limitation

The ClickStack UI embedded in ClickHouse 26.2 is for local exploration and omits persistent state, alerting, dashboard persistence and event-pattern functionality.Read 15 Oct 2026 · clickhouse.com

Funding news

ClickHouse announced a $350 million Series C financing round on May 29, 2025.Read 15 Oct 2026 · clickhouse.com

HyperDX acquisition

ClickHouse announced its acquisition of HyperDX on March 13, 2025 and said the open-source project and self-hosting support would continue.Read 15 Oct 2026 · clickhouse.com

Independent assessment

Thoughtworks Technology Radar places ClickStack in its “Worth exploring” ring and describes it as an OpenTelemetry-compatible open-source platform for unified observability.Read 15 Oct 2026 · thoughtworks.com

Instrumentation and sources

The product page lists Node.js, Go, Java, JavaScript, Next.js, Python, Ruby, Cloudflare, Kubernetes, OpenTelemetry, AWS, and Fluentd among its instrumentation or data source options.Read 12 Oct 2026 · clickhouse.com

Licence

ClickHouse and the OpenTelemetry Collector components use Apache 2.0, while the HyperDX UI uses the MIT licence.Read 15 Oct 2026 · github.com

Licensing and deployment

The site says ClickStack and its components are open source, with ClickHouse and the OTel collector under Apache 2.0 and HyperDX under MIT, and says it can be deployed self-hosted, hybrid, or in the cloud.Read 12 Oct 2026 · clickhouse.com

Limit: alerting maturity

Tasrie says ClickStack alerting is comparatively basic, with webhook notifications and simple routing but no Alertmanager-style grouping, inhibition or silencing.Read 15 Oct 2026 · tasrieit.com

Limit: cost predictability

A Reddit pricing discussion says storage and ingestion estimates are available but query compute, benchmarks and egress costs make incident-time bills difficult to predict.Read 15 Oct 2026 · reddit.com

Limit: dashboard ecosystem

Tasrie describes the HyperDX dashboard ecosystem as smaller than Grafana’s and the exporter ecosystem as still growing compared with Prometheus.Read 15 Oct 2026 · tasrieit.com

Limit: infrastructure as code

A Reddit Terraform-provider discussion says dashboards and alerts still require manual work, leaving gaps in GitOps reproducibility and code review.Read 15 Oct 2026 · reddit.com

Limit: infrastructure expertise

Independent Reddit users describe ClickStack as easy to scale after setup but difficult to set up and tune, requiring ClickHouse operational expertise.Read 15 Oct 2026 · reddit.com

Limit: PromQL and operator

Tasrie reports no native PromQL support and no dedicated Kubernetes operator, leaving SQL/Lucene as the main query approach and Helm as the deployment method.Read 15 Oct 2026 · tasrieit.com

Local security limitation

The local testing image has no authentication and is intended for development, demonstrations and testing rather than exposed production use.Read 15 Oct 2026 · clickhouse.com

Log pipelines

NoRead 24 Sep 2026 · clickhouse.com

Maker and headquarters

ClickHouse, Inc. says it incorporated in Delaware in 2021 and is headquartered in the San Francisco Bay Area; the company also lists Amsterdam as an HQ location.Read 12 Oct 2026 · clickhouse.com

Managed pricing model

Managed ClickStack beta pricing is based on infrastructure rather than events, with storage advertised below $0.03 per GB-month and no per-user or per-host fees.Read 15 Oct 2026 · clickhouse.com

Managed security

ClickHouse Cloud states that Managed ClickStack includes access controls, encryption in transit and at rest, activity logging and SOC 2 Type II compliance.Read 15 Oct 2026 · clickhouse.com

Managed service

Managed ClickStack runs on ClickHouse Cloud and includes managed cluster operations, scaling, upgrades, backups, reliability, authentication, and user management.Read 12 Oct 2026 · clickhouse.com

OpenTelemetry support

The product includes an opinionated OpenTelemetry Collector and accepts OTLP over gRPC on port 4317 or HTTP on port 4318.Read 15 Oct 2026 · clickhouse.com

Performance claims

ClickHouse says Managed ClickStack can query hundreds of petabytes of unsampled high-cardinality telemetry with sub-second response times and about 30x OpenTelemetry compression.Read 15 Oct 2026 · clickhouse.com

Praise: deployment flexibility

Tasrie reports successful deployment with local Docker, Helm on Kubernetes and an external ClickHouse server.Read 15 Oct 2026 · tasrieit.com

Praise: unified signals

Tasrie’s independent deployment review praises having logs, traces, metrics and session replay in one system with cross-signal correlation.Read 15 Oct 2026 · tasrieit.com

Product launch

ClickHouse announced ClickStack on May 29, 2025 as a complete open-source observability stack built from ClickHouse, HyperDX and OpenTelemetry.Read 15 Oct 2026 · clickhouse.com

Retention

Managed ClickStack advertises indefinite retention for high-cardinality telemetry and storage pricing below one cent per GB.Read 12 Oct 2026 · clickhouse.com

Schema flexibility

Although optimized for OpenTelemetry schemas, ClickStack can ingest timestamped custom event schemas and use custom pipelines.Read 15 Oct 2026 · clickhouse.com

SDK and instrumentation options

Official integration links cover Node.js, Go, Java, JavaScript, Next.js, Python, Ruby, Cloudflare, Kubernetes, OpenTelemetry, AWS and Fluentd.Read 15 Oct 2026 · clickhouse.com

Search and analysis

Its HyperDX UI supports Lucene-style search, SQL access, dashboards, alerts, event deltas, and event patterns.Read 12 Oct 2026 · clickhouse.com

Search and SQL

HyperDX provides Lucene-style search alongside full SQL access and more than 100 built-in functions.Read 15 Oct 2026 · clickhouse.com

Security and compliance

ClickHouse’s trust center lists a HIPAA report, PCI DSS SAQ A, penetration test report, and vulnerability assessment report.Read 12 Oct 2026 · trust.clickhouse.com

Self-hosted installation

The official Docker image bundles HyperDX, ClickHouse and the OpenTelemetry Collector, exposes UI port 8080, and supports persistent volume mounts.Read 15 Oct 2026 · clickhouse.com

Storage and scale

ClickStack uses ClickHouse storage and is designed to query high-cardinality OTel data, with the site describing sub-second queries even on petabytes of data.Read 12 Oct 2026 · clickhouse.com

Structured log parsing

YesRead 24 Sep 2026 · clickhouse.com

Unified observability

The platform stores and correlates logs, metrics and traces as wide events in ClickHouse and presents them through HyperDX.Read 15 Oct 2026 · clickhouse.com

Plans and prices

Every ClickStack plan and price →

Strong points and limits

Who it suits

Verdict

Where Specifiction places it

• Log Monitoring Tools#1 of 289.3
• Log Management Software#4 of 1119.3