Bump Akka from 1.4.19 to 1.4.21

[dependabot]

Bumps Akka from 1.4.19 to 1.4.21.

Release notes

Sourced from Akka's releases.

Akka.NET v1.4.21

1.4.21 June 16 2021

Maintenance Release for Akka.NET 1.4

Akka.NET v1.4.21 is a significant release that includes major performance improvements, bug fixes, and a major update to the Akka.DependencyInjection NuGet package.

Performance Improvements Akka.NET v1.4.21 includes some major performance fixes and improvements:

• Ask is now ~10% faster
• MurmurHash is 33% faster and allocates 0 memory - used heavily in DData, Cluster Sharding, and Consistent Hash Routers
• ActorPath.Parse went from 1672 ns/op to 527 ns/op - a 68% improvement in throughput and a 50% reduction in memory. See #5039 and #5068.
• Akka.Remote: remove ActorPath.ToString call from ResolveActorRefWithLocalAddress
• Important: Revert ThreadPool.SetMinThreads(0,0) - based on the input from users on "Akka.NET v1.4.19: ChannelExecutor performance data"

Our observed performance numbers for Akka.Remote show a significant increase in performance for v1.4.21 over v1.4.20:

Before

PS> dotnet run -c Release --framework netcoreapp3.1      
OSVersion:                         Microsoft Windows NT 6.2.9200.0
ProcessorCount:                    16
ClockSpeed:                        0 MHZ
Actor Count:                       32
Messages sent/received per client: 200000  (2e5)
Is Server GC:                      True
Thread count:                      109
Num clients, Total [msg], Msgs/sec, Total [ms]
1,  200000,    113379,    1764.56
5, 1000000,    186429,    5364.05
10, 2000000,    185340,   10791.11
15, 3000000,    183218,   16374.06
20, 4000000,    179824,   22244.63
25, 5000000,    182716,   27365.89
30, 6000000,    182039,   32960.61

After

PS> dotnet run -c Release --framework netcoreapp3.1                
OSVersion:                         Microsoft Windows NT 6.2.9200.0 
ProcessorCount:                    16                              
ClockSpeed:                        0 MHZ                           
Actor Count:                       32                              
Messages sent/received per client: 200000  (2e5)                   
Is Server GC:                      True                            
Thread count:                      111                             
</tr></table> 

... (truncated)

Changelog

Sourced from Akka's changelog.

1.4.21 June 16 2021

Maintenance Release for Akka.NET 1.4

Akka.NET v1.4.21 is a significant release that includes major performance improvements, bug fixes, and a major update to the Akka.DependencyInjection NuGet package.

Performance Improvements Akka.NET v1.4.21 includes some major performance fixes and improvements:

• Ask is now ~10% faster
• MurmurHash is 33% faster and allocates 0 memory - used heavily in DData, Cluster Sharding, and Consistent Hash Routers
• ActorPath.Parse went from 1672 ns/op to 527 ns/op - a 68% improvement in throughput and a 50% reduction in memory. See #5039 and #5068.
• Akka.Remote: remove ActorPath.ToString call from ResolveActorRefWithLocalAddress
• Important: Revert ThreadPool.SetMinThreads(0,0) - based on the input from users on "Akka.NET v1.4.19: ChannelExecutor performance data"

Our observed performance numbers for Akka.Remote show a significant increase in performance for v1.4.21 over v1.4.20:

Before

PS> dotnet run -c Release --framework netcoreapp3.1      
OSVersion:                         Microsoft Windows NT 6.2.9200.0
ProcessorCount:                    16
ClockSpeed:                        0 MHZ
Actor Count:                       32
Messages sent/received per client: 200000  (2e5)
Is Server GC:                      True
Thread count:                      109
Num clients, Total [msg], Msgs/sec, Total [ms]
1,  200000,    113379,    1764.56
5, 1000000,    186429,    5364.05
10, 2000000,    185340,   10791.11
15, 3000000,    183218,   16374.06
20, 4000000,    179824,   22244.63
25, 5000000,    182716,   27365.89
30, 6000000,    182039,   32960.61

After

PS> dotnet run -c Release --framework netcoreapp3.1                
OSVersion:                         Microsoft Windows NT 6.2.9200.0 
ProcessorCount:                    16                              
ClockSpeed:                        0 MHZ                           
Actor Count:                       32                              
Messages sent/received per client: 200000  (2e5)                   
Is Server GC:                      True                            
Thread count:                      111                             
</tr></table>

... (truncated)

Commits

• a8347c5 Merge pull request #5096 from akkadotnet/dev
• 5c9f8a7 v1.4.21 final release notes (#5095)
• 5d557d0 Bump Microsoft.NET.Test.Sdk from 16.9.4 to 16.10.0 (#5041)
• fa5ca50 Add failure handling for BatchingSqlJournal SelectCurrentPersistenceIds messa...
• 0210e21 Fix GSet elements needs to be sorted (#5093)
• 456d795 TestKit ReceiveWhile did not insert last inspected message properly. (#5092)
• c485d9e cleaned up internal ActorCell and TestKit methods (#5091)
• dfd7925 Return T from `IDependencyResolver.GetService<T>() (#5087)
• 6a7373f Fix Akka.Remote serialization exception bubbling and messages (#5072)
• 35b1bb5 added FQDN reproduction for ActorPath.Parse (#5084)
• Additional commits viewable in compare view

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