The configured user limit (128) on the number of inotify instances has ...

小渣渣

ASP.NET Core 6 在 Linux 错误运行报错如下：

== APP == Unhandled exception. System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached, or the per-process limit on the number of open file descriptors has been reached.
== APP ==    at System.IO.FileSystemWatcher.StartRaisingEvents()
== APP ==    at System.IO.FileSystemWatcher.StartRaisingEventsIfNotDisposed()
== APP ==    at System.IO.FileSystemWatcher.set_EnableRaisingEvents(Boolean value)
== APP ==    at Microsoft.Extensions.FileProviders.Physical.PhysicalFilesWatcher.TryEnableFileSystemWatcher()
== APP ==    at Microsoft.Extensions.FileProviders.Physical.PhysicalFilesWatcher.CreateFileChangeToken(String filter)
== APP ==    at Microsoft.Extensions.FileProviders.PhysicalFileProvider.Watch(String filter)
== APP ==    at Microsoft.Extensions.Configuration.FileConfigurationProvider.<.ctor>b__1_0()
== APP ==    at Microsoft.Extensions.Primitives.ChangeToken.OnChange(Func`1 changeTokenProducer, Action changeTokenConsumer)
== APP ==    at Microsoft.Extensions.Configuration.FileConfigurationProvider..ctor(FileConfigurationSource source)
== APP ==    at Microsoft.Extensions.Configuration.Json.JsonConfigurationSource.Build(IConfigurationBuilder builder)
== APP ==    at Microsoft.Extensions.Configuration.ConfigurationManager.AddSource(IConfigurationSource source)
== APP ==    at Microsoft.Extensions.Configuration.ConfigurationManager.Microsoft.Extensions.Configuration.IConfigurationBuilder.Add(IConfigurationSource source)
== APP ==    at Microsoft.Extensions.Configuration.ConfigurationExtensions.Add[TSource](IConfigurationBuilder builder, Action`1 configureSource)
== APP ==    at Microsoft.Extensions.Configuration.JsonConfigurationExtensions.AddJsonFile(IConfigurationBuilder builder, IFileProvider provider, String path, Boolean optional, Boolean reloadOnChange)
== APP ==    at Microsoft.Extensions.Configuration.JsonConfigurationExtensions.AddJsonFile(IConfigurationBuilder builder, String path, Boolean optional, Boolean reloadOnChange)
== APP ==    at Microsoft.Extensions.Hosting.HostingHostBuilderExtensions.<>c__DisplayClass11_0.<ConfigureDefaults>b__1(HostBuilderContext hostingContext, IConfigurationBuilder config)
== APP ==    at Microsoft.AspNetCore.Hosting.BootstrapHostBuilder.RunDefaultCallbacks(ConfigurationManager configuration, HostBuilder innerBuilder)
== APP ==    at Microsoft.AspNetCore.Builder.WebApplicationBuilder..ctor(WebApplicationOptions options, Action`1 configureDefaults)
== APP ==    at Microsoft.AspNetCore.Builder.WebApplication.CreateBuilder(String[] args)
== APP ==    at UserCenter.Program.Main(String[] args) in E:\project\DaprDemo\UserCenter\Program.cs:line 10

已达到配置的用户对inotify实例数量的限制（128），或者已达到每个进程对打开文件描述符数量的限制。

查看当前系统的配置：

登录可见。

修改 /etc/sysctl.conf 中 fs.inotify.max_user_instances 的配置，命令如下：

登录可见。

（完）

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