Space-efficient indexing for immutable log data
This post describes our approach to implementing a disk-backed hashmap in Rust for indexing high-cardinality predicates in our diagnostics product, Seq. If you've ever »
Announcing Seq 2024.3
TL;DR: With Seq 2024.3, Seq gains user-defined high-cardinality indexes, its first new index type since the introduction of signal indexes back in 2018! If »
Faster searches with property indexes
Now in preview, Seq 2024.3 introduces a new index type on event properties, known as expression indexes. Under the right circumstances, expression indexes reduce search »
Seq 2024.2 released 🎉
TL;DR: for the latest UX and performance improvements, pull datalust/seq:latest from Docker Hub, or grab the MSI from datalust.co/download. Seq 2024. »
Improved and updated email notifications
Introducing the new Seq.App.Mail.* packages for SMTP and Microsoft365 email. A lot has changed since the first email notification plugin was written for Seq! »
Working with Nested Event Properties
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 »
C# Tracing with Serilog and SerilogTracing
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 »
Enhancing .NET Aspire Observability with Seq
.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 »
C# Tracing with the OpenTelemetry .NET SDK and Seq
OpenTelemetry has emerged as an important standard for generating observability data. It provides a consistent model across all environments and reduces vendor lock-in. As such, we »
Customizing service trace colors
Seq uses the OpenTelemetry service.name attribute, or Serilog-style Application property, to determine which color should be used for the spans belonging to a service. This »