prometheus-net VS Serilog

You might want to look into prometheus https://github.com/prometheus-net/prometheus-net, https://prometheus.io/.

You would need to build a custom endpoint if it's a custom application that Prometheus can scrape but there are many libraries for that like prom-client for NodeJS or prometheus-net for C#. The list of client libraries can be found here.

You could probably combine a HangFire Job Filter with the Prometheus C# library and log the things you want. Looks pretty extensible.

prometheus-net

I have a websocket server that hoards memory during days, till the point that Kubernetes eventually kills it. We monitor it using prometheous-net.

A library that makes this really easy for us is prometheus-net - we can create a minimal API that exposes metrics quickly and demonstrate a few different ways of creating metric data

// example taken from https://github.com/prometheus-net/prometheus-net#quick-start private static readonly Counter ProcessedJobCount = Metrics .CreateCounter("myapp_jobs_processed_total", "Number of processed jobs."); ... ProcessJob(); ProcessedJobCount.Inc();

To learn more about Serilog, you can visit the documentation on their GitHub project. To learn more about Seq, you can visit the documentation on their website.

These projects use dependency injection for connections and have no logging although they are ready to log to the console via SeriLog setup in Program.cs.

See here: https://github.com/serilog/serilog/wiki/Configuration-Basics e.g.

Captured in public static void OnActivated() and note Log is SeriLog.

"Serilog": { "Using": [ "Serilog.Sinks.File" ], "Enrich": [ "WithHttpRequestId", "WithExceptionDetails", "WithClientIp" ], "MinimumLevel": { "Default": "Information" }, "WriteTo": [ { "Name": "File", "Args": { "path": "../../../../../Logs/MyApp/MyApp-.log", "rollingInterval": "Day", "retainedFileCountLimit": "7", "outputTemplate": "[{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} {CorrelationId} {Level:u3}] {Username} {Message:lj}{NewLine}{Exception} {Properties:lj}{NewLine}" } } ] } 👆 I got the enricher names from serilog's wiki. The idea was to log the HTTPRequestId, ClientIp, and automagically log the details of every exception thrown (without having to do _logger.LogError(...)). However I don't see those details in the logs. In Program.cs: ``` var logger = new LoggerConfiguration() .ReadFrom.Configuration(builder.Configuration) .Enrich.FromLogContext() .CreateLogger();

You could also write a custom destructuring policy, assuming it's a flurl-specific public exception type and you only need certain properties of it. You'd implement IDestructuringPolicy and then add it to the configuration:

Serilog for logging

I've cloned https://github.com/serilog/serilog and I'm not sure what's going on with the multitargetting in the tests? Does this (below) mean, if the dev's OS is windows, then target framework 462 or 471? What should I do on my laptop, which only has the net6 and fw48 sdk installed?