Datalust, the company behind Seq

Seq is the intelligent search, analysis, and alerting server built for modern structured logs and traces.

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News and announcements

Working with Nested Event Properties

Thursday, 22 February 2024

Seq 2024.1 introduced a change to the default display of nested event properties. Previous versions of Seq rendered collapsed nested structures that could be expanded to access a context menu on the nested properties. The newer scheme flattens nested properties into dotted names and makes the regular property context

C# Tracing with Serilog and SerilogTracing

Thursday, 15 February 2024

Distributed tracing makes Seq even better for monitoring and troubleshooting the behavior and performance of complex distributed systems. The emerging standard for logging and tracing is OpenTelemetry, which Seq supports via the OpenTelemetry Protocol (OTLP).

If you are using Serilog another option you can consider is SerilogTracing. SerilogTracing is a

Enhancing .NET Aspire Observability with Seq

Wednesday, 07 February 2024

.NET Aspire is a toolkit for development and deployment of microservice applications. It is a local orchestrator with support for deployment to production-grade orchestrators like Azure Container Apps or Kubernetes.

One great thing about Aspire is the built-in local development dashboard.

Aspire's built-in local development dashboard

It shows

New from Datalust

On .NET Live - Application logs and diagnostics with Serilog

Nicholas Blumhardt talks application diagnostics with Cecil Phillip in On .NET Live.

.NET Rocks! #1647 - Rust and C# with Ashley Mannix

Ashley Mannix talks with Carl and Richard about the combination of Rust and C# used at Datalust.

C# and Rust: Combining Managed and Unmanaged Code Without Sacrificing Safety, NDC Oslo 2019

Ashley Mannix explores the tools that .NET and Rust give us to design and build safe and robust hybrid applications.

Parsing in C# from First Principles, NDC Sydney 2018

Nicholas Blumhardt talks about Superpower, the library we built for parsing SQL queries in Seq, and the foundational principles behind it.

Open Source and the Future of Seq

Brendan Richards interviews Nicholas Blumhardt about Open Source, Rust, Seq, Serilog, and more, in this AMA from NDC Sydney 2018.

Using Structured Logging for Production Insight

Microsoft's Damian Brady and Nicholas Blumhardt talk structured logging in this episode of The DevOps Lab.

.NET Rocks! #1466 - The Evolution of Serilog

Richard Campbell, Carl Franklin, and Nicholas Blumhardt talk all things logging, diagnostics, and monitoring in this .NET Rocks! episode recorded at NDC Oslo 2017.

Serilog: Instrumentation that Works for You, NDC Oslo 2017

Nicholas Blumhardt presents a complete walk-through of Serilog and modern structured logging at NDC Oslo 2017.