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SigNoz

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description SigNoz Overview

SigNoz is an open source observability platform designed for developers and operations teams seeking comprehensive application performance management. It leverages technologies like OpenTelemetry, Web Page Test, and APM to deliver real-time insights into web applications. This allows users to proactively identify and resolve issues affecting user experience through synthetic transactions and detailed tracing data.

help SigNoz FAQ

Is SigNoz a viable open-source alternative to Datadog?

SigNoz is designed as an open-source, self-hosted alternative to Datadog, offering distributed tracing, metrics, and logs in a single platform built natively on OpenTelemetry. Unlike Datadog's per-host pricing that can scale unpredictably, SigNoz lets you avoid vendor licensing costs by running it on your own infrastructure.

Does SigNoz support OpenTelemetry for instrumentation?

Yes, SigNoz is built from the ground up around OpenTelemetry, so it ingests traces, metrics, and logs from any OTel-instrumented application. This means you are not locked into a proprietary agent—if you switch backends later, your instrumentation code stays the same.

What database does SigNoz use to store traces and metrics?

SigNoz uses ClickHouse as its backend data store for traces, metrics, and logs, leveraging ClickHouse's columnar architecture for fast aggregation queries over high-cardinality observability data. This allows efficient filtering across dimensions like service names, endpoint paths, and trace IDs.

Can I self-host SigNoz on Kubernetes?

Yes, SigNoz provides official Helm charts for deploying the platform on Kubernetes clusters. You will need to manage ClickHouse storage scaling and retention policies yourself, but this gives you full control over data privacy and cost compared to SaaS observability tools.

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