Akka.Streams.Kafka 1.2.1

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.NET Standard 2.0
There is a newer version of this package available.
See the version list below for details. 
dotnet add package Akka.Streams.Kafka --version 1.2.1
NuGet\Install-Package Akka.Streams.Kafka -Version 1.2.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Akka.Streams.Kafka" Version="1.2.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add Akka.Streams.Kafka --version 1.2.1
#r "nuget: Akka.Streams.Kafka, 1.2.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install Akka.Streams.Kafka as a Cake Addin
#addin nuget:?package=Akka.Streams.Kafka&version=1.2.1

// Install Akka.Streams.Kafka as a Cake Tool
#tool nuget:?package=Akka.Streams.Kafka&version=1.2.1

Apache Kafka adapter for Akka.NET Streams

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
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Version Downloads Last updated
1.5.15 2,298 1/11/2024
1.5.13.1 1,355 10/4/2023
1.5.13 115 10/4/2023
1.5.8 4,095 6/16/2023
1.5.0 54,278 3/4/2023
1.4.49 1,427 1/27/2023
1.2.2 9,575 10/21/2022
1.2.1 47,191 1/26/2022
1.2.0 1,213 11/17/2021
1.1.4 4,195 9/8/2021
1.1.3 2,447 5/24/2021
1.1.2 8,436 3/9/2021
1.1.1 3,302 12/16/2020
1.1.0 4,758 11/6/2020
1.0.1 2,374 5/27/2020
1.0.0 3,259 3/11/2020
1.0.0-rc2 376 3/10/2020
1.0.0-rc1 363 3/2/2020
1.0.0-beta2 599 2/18/2020
1.0.0-beta1 2,103 11/28/2019
0.5.0-beta 428 8/7/2019

[Bump Akka.NET to 1.4.32](https://github.com/akkadotnet/akka.net/releases/tag/1.4.32)
[Fix Kafka polling method](https://github.com/akkadotnet/Akka.Streams.Kafka/pull/262)
[Fix excessively high CPU consumption](https://github.com/akkadotnet/Akka.Streams.Kafka/pull/234)
This is a minor version release that addresses a bug in the underlying `Confluent.Kafka` library. The `Confluent.Kafka.AdminClient` class have a very tight internal update loop that will consume a lot of CPU resource while it is instantiated.
The update fixed the high idle CPU consumption as shown in these CPU usage benchmark numbers:
``` ini
BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19041.1415 (2004/May2020Update/20H1)
AMD Ryzen 9 3900X, 1 CPU, 24 logical and 12 physical cores
.NET SDK=6.0.100
[Host]     : .NET Core 3.1.20 (CoreCLR 4.700.21.47003, CoreFX 4.700.21.47101), X64 RyuJIT
Sample duration: 5000 ms
```
__Before:__
| CPU Usage Mode |         Mean |    StdErr |    StdDev |       Median |      Maximum |
|----------------|-------------:|----------:|----------:|-------------:|-------------:|
| User           | 4,954.688 ms | 12.780 ms | 40.414 ms | 4,968.750 ms | 5,000.000 ms |
| Kernel         |     9.375 ms |  2.421 ms |  7.655 ms |    15.625 ms |    15.625 ms |
| Total          | 4,964.062 ms | 13.082 ms | 41.369 ms | 4,984.375 ms | 5,015.625 ms |
__After:__
| CPU Usage Mode |     Mean |   StdErr |   StdDev |   Median |  Maximum |
|----------------|---------:|---------:|---------:|---------:|---------:|
| User           | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms |
| Kernel         | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms |
| Total          | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms | 0.000 ms |
These changes have no impact on throughput performance of the plugin as seen in these benchmark numbers:
``` ini
BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19041.1415 (2004/May2020Update/20H1)
AMD Ryzen 9 3900X, 1 CPU, 24 logical and 12 physical cores
.NET SDK=6.0.100
[Host]     : .NET Core 3.1.20 (CoreCLR 4.700.21.47003, CoreFX 4.700.21.47101), X64 RyuJIT
InvocationCount=2000  IterationCount=80  MinWarmupIterationCount=5
UnrollFactor=1
```
__Before:__
|                Method |     Mean |    Error |   StdDev |   Median |
|---------------------- |---------:|---------:|---------:|---------:|
|   PlainSinkThroughput | 128.9 μs | 12.04 μs | 31.30 μs | 112.5 μs |
| KafkaClientThroughput | 120.7 μs | 17.21 μs | 45.03 μs | 111.0 μs |
__After:__
|                Method |     Mean |    Error |   StdDev |   Median |
|---------------------- |---------:|---------:|---------:|---------:|
|   PlainSinkThroughput | 123.3 μs |  6.30 μs | 14.36 μs | 129.4 μs |
| KafkaClientThroughput | 117.5 μs | 18.61 μs | 48.70 μs | 110.0 μs |