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Ensure we eagerly return the outbound array to the array pool (#52)
* Ensure we eagerly return the outbound array to the array pool * localize using buffer to ExportBufferAsync * license header * remove BOM * add Jsonpropertynames * Add better defaults for MaxConcurrency and allow injection of CancellationToken
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // Licensed to Elasticsearch B.V under one or more agreements. | ||
| // Elasticsearch B.V licenses this file to you under the Apache 2.0 License. | ||
| // See the LICENSE file in the project root for more information | ||
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| using System.Text.Json.Serialization; | ||
| using Elastic.Channels; | ||
| using Elastic.Elasticsearch.Ephemeral; | ||
| using Elastic.Ingest.Elasticsearch; | ||
| using Elastic.Ingest.Elasticsearch.DataStreams; | ||
| using Elastic.Transport; | ||
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| var random = new Random(); | ||
| var ctxs = new CancellationTokenSource(); | ||
| var parallelOpts = new ParallelOptions { MaxDegreeOfParallelism = Environment.ProcessorCount, CancellationToken = ctxs.Token }; | ||
| const int numDocs = 1_000_000; | ||
| var bufferOptions = new BufferOptions { InboundBufferMaxSize = numDocs, OutboundBufferMaxSize = 10_000 }; | ||
| var config = new EphemeralClusterConfiguration("8.13.0"); | ||
| using var cluster = new EphemeralCluster(config); | ||
| using var channel = SetupElasticsearchChannel(); | ||
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| Console.CancelKeyPress += (sender, eventArgs) => | ||
| { | ||
| ctxs.Cancel(); | ||
| cluster.Dispose(); | ||
| eventArgs.Cancel = true; | ||
| }; | ||
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| using var started = cluster.Start(); | ||
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| var memoryBefore = GC.GetTotalMemory(false); | ||
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| await PushToChannel(channel); | ||
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| // This is not really indicative because the channel is still draining at this point in time | ||
| var memoryAfter = GC.GetTotalMemory(false); | ||
| Console.WriteLine($"Memory before: {memoryBefore} bytes"); | ||
| Console.WriteLine($"Memory after: {memoryAfter} bytes"); | ||
| var memoryUsed = memoryAfter - memoryBefore; | ||
| Console.WriteLine($"Memory used: {memoryUsed} bytes"); | ||
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| Console.WriteLine($"Press any key..."); | ||
| Console.ReadKey(); | ||
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| async Task PushToChannel(DataStreamChannel<EcsDocument> c) | ||
| { | ||
| if (c == null) throw new ArgumentNullException(nameof(c)); | ||
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| await c.BootstrapElasticsearchAsync(BootstrapMethod.Failure); | ||
| await Parallel.ForEachAsync(Enumerable.Range(0, numDocs), parallelOpts, async (i, ctx) => | ||
| { | ||
| await DoChannelWrite(i, ctx); | ||
| }); | ||
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| async Task DoChannelWrite(int i, CancellationToken cancellationToken) | ||
| { | ||
| var message = $"Logging information {i} - Random value: {random.NextDouble()}"; | ||
| var doc = new EcsDocument { Timestamp = DateTimeOffset.UtcNow, Message = message }; | ||
| if (await c.WaitToWriteAsync(cancellationToken) && c.TryWrite(doc)) | ||
| return; | ||
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| Console.WriteLine("Failed To write"); | ||
| await Task.Delay(TimeSpan.FromSeconds(5), cancellationToken); | ||
| } | ||
| } | ||
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| DataStreamChannel<EcsDocument> SetupElasticsearchChannel() | ||
| { | ||
| var transportConfiguration = new TransportConfiguration(new Uri("http://localhost:9200")); | ||
| var c = new DataStreamChannel<EcsDocument>( | ||
| new DataStreamChannelOptions<EcsDocument>(new DistributedTransport(transportConfiguration)) | ||
| { | ||
| BufferOptions = bufferOptions, | ||
| CancellationToken = ctxs.Token | ||
| , ExportResponseCallback = (c, t) => | ||
| { | ||
| var error = c.Items.Select(i=>i.Error).FirstOrDefault(e => e != null); | ||
| if (error == null) return; | ||
| Console.WriteLine(error.ToString()); | ||
| } | ||
| }); | ||
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| return c; | ||
| } | ||
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| public class EcsDocument | ||
| { | ||
| [JsonPropertyName("@timestamp")] | ||
| public DateTimeOffset Timestamp { init; get; } | ||
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| [JsonPropertyName("message")] | ||
| public string Message { init; get; } = null!; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Elastic.Ingest.Elasticsearch\Elastic.Ingest.Elasticsearch.csproj" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Elastic.Elasticsearch.Ephemeral" Version="0.5.0" /> | ||
| </ItemGroup> | ||
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| </Project> |
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