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14 changes: 14 additions & 0 deletions
14
.../ActivationRebalancing/ActivationRebalancing.Cluster/ActivationRebalancing.Cluster.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <OrleansBuildTimeCodeGen>true</OrleansBuildTimeCodeGen> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\..\src\Orleans.Server\Orleans.Server.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
170 changes: 170 additions & 0 deletions
170
playground/ActivationRebalancing/ActivationRebalancing.Cluster/Program.cs
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| using System.Diagnostics; | ||
| using System.Net; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using Microsoft.Extensions.Hosting; | ||
| using Microsoft.Extensions.Logging; | ||
| using Orleans.Configuration; | ||
| using Orleans.Runtime.Placement; | ||
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| #nullable enable | ||
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| // Ledjon: The silos will run in the same process so they will have the same memory usage. | ||
| // I previously had 4 console apps to run the example, but didn't want to add so many proj into the solution. | ||
| // I am sure with something like Aspire that would be easier, but for now I'll leave them like this. | ||
| // You (the reader) feel free to run this in different processes for a more realistic example. | ||
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| var host0 = await StartSiloHost(0); | ||
| var host1 = await StartSiloHost(1); | ||
| var host2 = await StartSiloHost(2); | ||
| var host3 = await StartSiloHost(3); | ||
| IHost? host5 = null; | ||
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| Console.WriteLine("All silos have started."); | ||
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| var grainFactory = host0.Services.GetRequiredService<IGrainFactory>(); | ||
| var mgmtGrain = grainFactory.GetGrain<IManagementGrain>(0); | ||
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| var silos = await mgmtGrain.GetHosts(onlyActive: true); | ||
| Debug.Assert(silos.Count == 4); | ||
| var addresses = silos.Select(x => x.Key).ToArray(); | ||
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| var tasks = new List<Task>(); | ||
| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[0]); | ||
| for (var i = 0; i < 300; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[1]); | ||
| for (var i = 0; i < 30; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[2]); | ||
| for (var i = 0; i < 410; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[3]); | ||
| for (var i = 0; i < 120; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| var sessionCount = 0; | ||
| while (true) | ||
| { | ||
| if (sessionCount == 25) | ||
| { | ||
| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[0]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[1]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
| } | ||
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| if (sessionCount == 35) | ||
| { | ||
| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[1]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[2]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
| } | ||
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| if (sessionCount == 40) | ||
| { | ||
| host5 = await StartSiloHost(4); | ||
| } | ||
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| if (sessionCount == 45) | ||
| { | ||
| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[2]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
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| RequestContext.Set(IPlacementDirector.PlacementHintKey, addresses[3]); | ||
| for (var i = 0; i < 50; i++) | ||
| { | ||
| tasks.Add(grainFactory.GetGrain<IRebalancingTestGrain>(Guid.NewGuid()).Ping()); | ||
| } | ||
| } | ||
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| await Task.Delay(5000); // session duration | ||
| sessionCount++; | ||
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| if (sessionCount > 55) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
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| Console.WriteLine("Simulation has finished. Press Enter to terminate..."); | ||
| Console.ReadLine(); | ||
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| await host0.StopAsync(); | ||
| await host1.StopAsync(); | ||
| await host2.StopAsync(); | ||
| await host3.StopAsync(); | ||
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| if (host5 != null) | ||
| { | ||
| await host5.StopAsync(); | ||
| } | ||
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| static async Task<IHost> StartSiloHost(int num) | ||
| { | ||
| #pragma warning disable ORLEANSEXP002 | ||
| var host = Host.CreateDefaultBuilder() | ||
| .ConfigureLogging(builder => builder | ||
| .AddFilter("", LogLevel.Error) | ||
| .AddFilter("Orleans.Runtime.Placement.Rebalancing", LogLevel.Trace) | ||
| .AddConsole()) | ||
| .UseOrleans(builder => builder | ||
| .Configure<ActivationRebalancerOptions>(o => | ||
| { | ||
| o.RebalancerDueTime = TimeSpan.FromSeconds(5); | ||
| o.SessionCyclePeriod = TimeSpan.FromSeconds(5); | ||
| // uncomment these below, if you want higher migration rate | ||
| //o.CycleNumberWeight = 1; | ||
| //o.SiloNumberWeight = 0; | ||
| }) | ||
| .UseLocalhostClustering( | ||
| siloPort: EndpointOptions.DEFAULT_SILO_PORT + num, | ||
| gatewayPort: EndpointOptions.DEFAULT_GATEWAY_PORT + num, | ||
| primarySiloEndpoint: new IPEndPoint(IPAddress.Loopback, EndpointOptions.DEFAULT_SILO_PORT)) | ||
| .AddActivationRebalancer()) | ||
| .Build(); | ||
| #pragma warning restore ORLEANSEXP002 | ||
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| await host.StartAsync(); | ||
| Console.WriteLine($"Silo{num} started."); | ||
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| return host; | ||
| } | ||
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| public interface IRebalancingTestGrain : IGrainWithGuidKey | ||
| { | ||
| Task Ping(); | ||
| } | ||
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| public class RebalancingTestGrain : Grain, IRebalancingTestGrain | ||
| { | ||
| public Task Ping() => Task.CompletedTask; | ||
| } |
14 changes: 14 additions & 0 deletions
14
...ctivationRebalancing/ActivationRebalancing.Frontend/ActivationRebalancing.Frontend.csproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk.Web"> | ||
|
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| <PropertyGroup> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\..\src\Orleans.Server\Orleans.Server.csproj" /> | ||
| <ProjectReference Include="..\ActivationRebalancing.Cluster\ActivationRebalancing.Cluster.csproj" /> | ||
| </ItemGroup> | ||
|
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| </Project> |
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36
...round/ActivationRebalancing/ActivationRebalancing.Frontend/Controllers/StatsController.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| using Microsoft.AspNetCore.Mvc; | ||
| using Orleans.Runtime; | ||
| using Orleans; | ||
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| namespace ActivationRebalancing.Frontend.Controllers; | ||
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| [ApiController] | ||
| [Route("api/[controller]")] | ||
| public class StatsController(IClusterClient clusterClient) : ControllerBase | ||
| { | ||
| [HttpGet("silos")] | ||
| public async Task<IActionResult> GetStats() | ||
| { | ||
| var grainStats = await clusterClient | ||
| .GetGrain<IManagementGrain>(0) | ||
| .GetDetailedGrainStatistics(); | ||
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| var siloData = grainStats.GroupBy(stat => stat.SiloAddress) | ||
| .Select(g => new SiloData(g.Key.ToString(), g.Count())) | ||
| .ToList(); | ||
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| if (siloData.Count == 4) | ||
| { | ||
| siloData = [.. siloData, new SiloData("x", 0)]; | ||
| } | ||
|
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| if (siloData.Count > 5) | ||
| { | ||
| throw new NotSupportedException("The frontend cant support more than 6 silos"); | ||
| } | ||
|
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| return Ok(siloData); | ||
| } | ||
| } | ||
|
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| public record SiloData(string Host, int Activations); |
17 changes: 17 additions & 0 deletions
17
playground/ActivationRebalancing/ActivationRebalancing.Frontend/Program.cs
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|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| using Orleans.Hosting; | ||
|
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| var builder = WebApplication.CreateBuilder(args); | ||
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| builder.UseOrleansClient(clientBuilder => clientBuilder.UseLocalhostClustering()); | ||
| builder.Services.AddControllers(); | ||
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| var app = builder.Build(); | ||
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| var options = new DefaultFilesOptions(); | ||
| options.DefaultFileNames.Clear(); | ||
| options.DefaultFileNames.Add("index.html"); | ||
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| app.UseDefaultFiles(options); | ||
| app.UseStaticFiles(); | ||
| app.MapControllers(); | ||
| app.Run(); |
14 changes: 14 additions & 0 deletions
14
...round/ActivationRebalancing/ActivationRebalancing.Frontend/Properties/launchSettings.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| { | ||
| "profiles": { | ||
| "http": { | ||
| "commandName": "Project", | ||
| "dotnetRunMessages": true, | ||
| "launchBrowser": true, | ||
| "launchUrl": "index.html", | ||
| "applicationUrl": "http://localhost:5000", | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| } | ||
| } | ||
| } |
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8
playground/ActivationRebalancing/ActivationRebalancing.Frontend/appsettings.Development.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| { | ||
| "Logging": { | ||
| "LogLevel": { | ||
| "Default": "Information", | ||
| "Microsoft.AspNetCore": "Warning" | ||
| } | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
playground/ActivationRebalancing/ActivationRebalancing.Frontend/appsettings.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| { | ||
| "Logging": { | ||
| "LogLevel": { | ||
| "Default": "Information", | ||
| "Microsoft.AspNetCore": "Warning" | ||
| } | ||
| }, | ||
| "AllowedHosts": "*" | ||
| } |
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