Akka.NET v1.4.44

1.4.44 October 17th 2022

Akka.NET v1.4.44 is a maintenance release for Akka.NET v1.4 that contains numerous performance improvements in critical areas, including core actor message processing and Akka.Remote.

Performance Fixes

• remove delegate allocation from ForkJoinDispatcher and DedicatedThreadPool
• eliminate Mailbox delegate allocations
• Reduce FSM<TState, TData> allocations
• removed boxing allocations inside FSM.State.Equals
• Eliminate DefaultLogMessageFormatter allocations

In sum you should expect to see total memory consumption, garbage collection, and throughput improve when you upgrade to Akka.NET v1.4.44.

Other Features and Improvements

• Akka.Cluster and Akka.Cluster.Sharding: should throw human-friendly exception when accessing cluster / sharding plugins when clustering is not running
• Akka.Cluster.Sharding: Add HashCodeMessageExtractor factory
• Akka.Persistence.Sql.Common: Fix DbCommand.CommandTimeout in BatchingSqlJournal

You can see the full list of fixes in Akka.NET v1.4.44 here.

COMMITS	LOC+	LOC-	AUTHOR
10	651	69	@Aaronontheweb
4	275	17	@Arkatufus

Changes:

• 79c652f added v1.4.44 release notes (#6197)
• 183ec5a removed boxing allocations inside FSM (#6183)
• cc3a361 [BACKPORT #6173] Add HashCodeMessageExtractor factory (#6182)
• aca6850 Fix DbCommand.CommandTimeout (#6175) (#6180)
• 7e9e58f [BACKPORT #6166] Eliminate DefaultLogMessageFormatter allocations (#6168)
• 5f8710d Improve error/exception message for misconfigured cluster provider (#6167)
• 23e5d92 make DedicatedThreadPool.QueueUserWorkItem<T> generic (#6156)
• 234bb8f Reduce FSM<TState, TData> allocations (#6145) [ #2560 ]
• a2b27a7 Make Envelope a reference type again (#6137)
• bf273d9 added actor messaging pressure benchmark (#6147)

See More

• 4b1a746 remove delegate allocation from ForkJoinDispatcher and DedicatedThreadPool (#6143)
• f4402cb close #2560 - added performance benchmarks for FSM (#6144)
• 77d92fe Added Dispatcher Benchmarks (#6140)
• 1cee4d5 eliminate mailbox delegate allocations (#6134)
• 7441faa WIP queue benchmarks (#6127)

This list of changes was auto generated.