mcmonkey Posts - Answer Overflow

mcmonkey

•Created by mcmonkey on 10/9/2023 in #help

[Solved] WebApplication.CreateBuilder lockup in some Linux envs

Does anybody know why a basic Microsoft.AspNetCore.Builder.WebApplicationBuilder.Build() call would be terrifyingly slow in certain envs (3-5 minutes for this call alone) while the same code on a different machine is near-instant? Or if not why, then at least... how to diagnose it? It doesn't emit any debug logs while building as far as I can tell (set loglevel to Trace and nothin). Only hint I have is that the filesystem in the slow env is pretty high-latency, but it's able to do all other file ops in, well, yknow, seconds or less rather than minutes. The issue isn't replicated on other systems I have that are running the same OS (Ubuntu-ish Linux) but different hardware config.

        var builder = WebApplication.CreateBuilder(new WebApplicationOptions() { WebRootPath = "src/wwwroot" });
        builder.Services.AddRazorPages();
        builder.Logging.SetMinimumLevel(LogLevel);
        WebApp = builder.Build();

        var builder = WebApplication.CreateBuilder(new WebApplicationOptions() { WebRootPath = "src/wwwroot" });
        builder.Services.AddRazorPages();
        builder.Logging.SetMinimumLevel(LogLevel);
        WebApp = builder.Build();

If it was running locally I'd know how to get a profiler open and figure it out from there, but since I can only replicate on a remote server, I'm a bit stuck on how to diagnose this.

33 replies

Gaming

Programming