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Top 23 Rust Logging Projects
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Project mention: Show HN: Unbug – Rust macros for programmatically invoking breakpoints | news.ycombinator.com | 2024-11-20
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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greptimedb
Open-source, cloud-native, unified observability database for metrics, logs and traces, supporting SQL/PromQL/Streaming. Available on GreptimeCloud.
Time Series: Greptime, Influx, Loki, Mimir, Prometheus, Tempo, Victoria Metrics
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Project mention: Ngtop – Request analytics from the Nginx access logs | news.ycombinator.com | 2024-07-30
Found it much easier to just used structured logs and slice them with [angle grinder](https://github.com/rcoh/angle-grinder)
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Project mention: OpenTelemetry and vendor neutrality: how to build an observability strategy | news.ycombinator.com | 2024-09-18
Why are you accusing me of posting an LLM reply?
I just shared that I enjoyed using and contributing to OpenTelemetry. I never used an LLM. Do I really need to prove that I'm human?
- a couple PRs I posted to Rust impl: https://github.com/open-telemetry/opentelemetry-rust/pulls?q...
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Project mention: Launch HN: Patchwork (YC W24) – Automatically add structured logs to your code | news.ycombinator.com | 2024-08-29
> Refactoring the logs in existing code bases today is a manual slog.
slog is shorthand for structured logs[1][2][3][4]. So refactoring the logs [without a tool] is manually converting them to a slog. You have a great pun on your hands.
> Speaking from experience?
I have a notebook laying around with a loose plan on how to get the most compression possible out of a log file. It would use ML to figure out what the log strings would be - but I think your idea of scanning the executable is even more clever. Anyway, once it knows the log strings you can probably stuff it into off the shelf column storage for great compression rates. And if the compression rates are good enough then searches should be much much faster as well.
Who do you reckon are the more important existing competitors? Grafana labs or Sonarqube?
[1] https://github.com/slog-rs/slog
[2] https://github.com/gookit/slog
[3] https://github.com/kala13x/slog
[4] https://pkg.go.dev/log/slog
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SaaSHub
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I've built a logging system like that, in an embedded context, and defmt (https://github.com/knurling-rs/defmt) is an open-source implementation of the same context. What's most handy about it is that logging continuous sensor data and logging events can both use the same framework.
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venator
Venator: a desktop app for viewing logs and traces from OpenTelemetry and the Rust tracing ecosystem (by kmdreko)
Project mention: Venator: A log and trace viewer for Rust tracing and OpenTelemetry | news.ycombinator.com | 2025-01-14 -
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tauri-plugin-log
[READ ONLY] This repository is a mirror, for issue tracking and development head to: https://github.com/tauri-apps/plugins-workspace
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Project mention: Logforth: Rust's versatile and extensible logging implementation | news.ycombinator.com | 2024-08-04
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mini-functions
A a highly performant utility and wrapper functions library for Rust that has been carefully designed with optimization and efficiency in mind. 🦀
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Logging discussion
Rust Logging related posts
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Lossless Log Aggregation
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Show HN: Unbug – Rust macros for programmatically invoking breakpoints
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Postgres Foreign Data Wrappers with Wasm
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Powerful Visibility with Rust, Lambda, Datadog, and OpenTelemetry
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Angle-grinder: Slice and dice logs on the command line
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Decrusting the tracing crate [video] by Jon Gjengset
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Show HN: Search on S3 Using AWS Lambda
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A note from our sponsor - SaaSHub
www.saashub.com | 13 May 2025
Index
What are some of the best open-source Logging projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | tracing | 5,895 |
| 2 | greptimedb | 5,139 |
| 3 | angle-grinder | 3,589 |
| 4 | log | 2,335 |
| 5 | opentelemetry-rust | 2,153 |
| 6 | slog | 1,634 |
| 7 | log4rs | 1,046 |
| 8 | defmt | 1,000 |
| 9 | flowgger | 855 |
| 10 | venator | 170 |
| 11 | spdlog-rs | 126 |
| 12 | tauri-plugin-log | 117 |
| 13 | drep | 90 |
| 14 | logforth | 85 |
| 15 | Logria | 75 |
| 16 | logdna-agent-v2 | 70 |
| 17 | workflow-rs | 62 |
| 18 | linemux | 48 |
| 19 | async | 28 |
| 20 | breadcrumbs-rs | 20 |
| 21 | mini-functions | 14 |
| 22 | tracing-filter | 9 |
| 23 | stumpless-logger | 9 |
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