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Update RELEASE_NOTES.md for 1.5.0 RTM and update Akka,NET to 1.5.0 RTM (
#250) * Update RELEASE_NOTES.md for 1.5.0 RTM and update Akka,NET to 1.5.0 RTM * Update RELEASE_NOTES.md --------- Co-authored-by: Aaron Stannard <[email protected]>
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| ## [1.5.0-beta6] / 28 February 2023 | ||
| ## [1.5.0] / 2 March 2023 | ||
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| * [Update Akka.NET to 1.5.0-beta6](https://github.com/akkadotnet/akka.net/releases/tag/1.5.0-beta6) | ||
| Version 1.5.0 is the RTM release of Akka.Hosting and Akka.NET v1.5.0 RTM integration. | ||
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| ## [1.5.0-beta4] / 28 February 2023 | ||
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| Version 1.5.0-beta4 integrates Akka.NET v1.5 into Akka.Hosting | ||
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| * [Update Akka.NET to 1.5.0-beta4](https://github.com/akkadotnet/akka.net/releases/tag/1.5.0-beta4) | ||
| Full changes | ||
| * [Update Akka.NET to 1.5.0](https://github.com/akkadotnet/akka.net/releases/tag/1.5.0) | ||
| * [Fix missing cluster configuration on certain edge cases](https://github.com/akkadotnet/Akka.Hosting/pull/214) | ||
| * [Add new Cluster.Sharding RememberEntitiesStore](https://github.com/akkadotnet/Akka.Hosting/pull/224) | ||
| * [Add Cluster.Sharding journal migration adapter convenience method](https://github.com/akkadotnet/Akka.Hosting/pull/226) | ||
| * [Add LogMessageFormatter formatter support to logging](https://github.com/akkadotnet/Akka.Hosting/pull/248) | ||
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| #### Upgrading From v1.4 To v1.5 | ||
| As noted in [the upgrade advisories](https://github.com/akkadotnet/akka.net/blob/c9ccc25207b5a4cfa963a5a23f96c0676fbbef10/docs/community/whats-new/akkadotnet-v1.5-upgrade-advisories.md), there was a major change in Akka.Cluster.Sharding state storage. These notes contains the same documentation, but tailored for `Akka.Hosting` users | ||
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| The recommended settings for maximum ease-of-use for Akka.Cluster.Sharding in new applications going forward will be: | ||
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| ```csharp | ||
| var options = new ShardOptions | ||
| { | ||
| StateStoreMode = StateStoreMode.DData, | ||
| RememberEntitiesStore = RememberEntitiesStore.Eventsourced | ||
| }; | ||
| ``` | ||
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| You will need to set these options manually because the default settings are set for backward compatibility. | ||
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| #### Migrating to New Sharding Storage From Akka.Persistence | ||
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| > **NOTE** | ||
| > | ||
| > This section applies only to users who were using `StateStoreMode = StateStoreMode.Persistence`. | ||
| Switching over to using `RememberEntitiesStore = RememberEntitiesStore.Eventsourced` will cause an initial migration of data from the `ShardCoordinator`'s journal into separate event journals going forward. | ||
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| Upgrading to Akka.NET v1.5 will **cause an irreversible migration of Akka.Cluster.Sharding data** for users who were previously running `StateStoreMode = StateStoreMode.Persistence`, so follow the steps below carefully: | ||
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| ##### Step 1 - Upgrade to Akka.NET v1.5 With New Options Setup | ||
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| Update your Akka.Cluster.Sharding options to look like the following (adjust as necessary for your custom settings): | ||
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| ```csharp | ||
| hostBuilder.Services.AddAkka("MyActorSystem", builder => | ||
| { | ||
| var shardOptions = new ShardOptions | ||
| { | ||
| // If you don't run Akka.Cluster.Sharding with `RememberEntities = true`, | ||
| // then set this to false | ||
| RememberEntities = true, | ||
| RememberEntitiesStore = RememberEntitiesStore.Eventsourced, | ||
| StateStoreMode = StateStoreMode.Persistence, | ||
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| //fail if upgrade doesn't succeed | ||
| FailOnInvalidEntityStateTransition = true | ||
| }; | ||
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| // Modify these two options to suit your application, SqlServer used | ||
| // only as an illustration | ||
| var journalOptions = new SqlServerJournalOptions(); | ||
| var snapshotOptions = new SqlServerSnapshotOptions(); | ||
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| builder | ||
| .WithClustering() | ||
| .WithSqlServerPersistence(journalOptions, snapshotOptions) | ||
| .WithShardRegion<UserActionsEntity>( | ||
| "userActions", | ||
| s => UserActionsEntity.Props(s), | ||
| new UserMessageExtractor(), | ||
| // shardOptions is being used here | ||
| shardOptions); | ||
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| // Add the Akka.Cluster.Sharding migration journal event adapter | ||
| builder.WithClusterShardingJournalMigrationAdapter(journalOptions); | ||
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| // you can also declare the adapter by referencing the journal ID directly | ||
| builder.WithClusterShardingJournalMigrationAdapter("akka.persistence.journal.sql-server"); | ||
| }) | ||
| ``` | ||
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| With these HOCON settings in-place the following will happen: | ||
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| 1. The old `PersitentShardCoordinator` state will be broken up - Remember entities data will be distributed to each of the `PersistentShard` actors, who will now use the new `RememberEntitiesStore = RememberEntitiesStore.Eventsourced` setting going forward; | ||
| 2. Old `Akka.Cluster.Sharding.ShardCoordinator.IDomainEvent` events will be upgraded to a new storage format via the injected Akka.Persistence event adapter; and | ||
| 3. The `PersistentShardCoordinator` will migrate its journal to the new format as well. | ||
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| ##### Step 2 - Migrating Away From Persistence to DData | ||
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| Once your cluster has successfully booted up with these settings, you can now optionally move to using distributed data to store sharding state by changing `StateStoreMode = StateStoreMode.DData` and deploying a second time: | ||
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| ```csharp | ||
| hostBuilder.Services.AddAkka("MyActorSystem", builder => | ||
| { | ||
| var shardOptions = new ShardOptions | ||
| { | ||
| RememberEntities = true, | ||
| RememberEntitiesStore = RememberEntitiesStore.Eventsourced, | ||
| // Change this line of code | ||
| StateStoreMode = StateStoreMode.DData, | ||
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| FailOnInvalidEntityStateTransition = true | ||
| }; | ||
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| var journalOptions = new SqlServerJournalOptions(); | ||
| var snapshotOptions = new SqlServerSnapshotOptions(); | ||
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| builder | ||
| .WithClustering() | ||
| .WithSqlServerPersistence(journalOptions, snapshotOptions) | ||
| .WithShardRegion<UserActionsEntity>( | ||
| "userActions", | ||
| s => UserActionsEntity.Props(s), | ||
| new UserMessageExtractor(), | ||
| shardOptions); | ||
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| builder.WithClusterShardingJournalMigrationAdapter(journalOptions); | ||
| }) | ||
| ``` | ||
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| Now you'll be running Akka.Cluster.Sharding with the recommended settings. | ||
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| #### Migrating to New Sharding Storage From Akka.DistributedData | ||
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| The migration process onto Akka.NET v1.5's new Cluster.Sharding storage system is less involved for users who were already using `StateStoreMode = StateStoreMode.DData`. All these users need to do is change the `RememberEntitiesStore` option to `RememberEntitiesStore.Eventsourced` | ||
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| ```csharp | ||
| hostBuilder.Services.AddAkka("MyActorSystem", builder => | ||
| { | ||
| var shardOptions = new ShardOptions | ||
| { | ||
| RememberEntities = true, | ||
| // Use this option setting | ||
| RememberEntitiesStore = RememberEntitiesStore.Eventsourced, | ||
| StateStoreMode = StateStoreMode.DData, | ||
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| FailOnInvalidEntityStateTransition = true | ||
| }; | ||
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| var journalOptions = new SqlServerJournalOptions(); | ||
| var snapshotOptions = new SqlServerSnapshotOptions(); | ||
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| builder | ||
| .WithClustering() | ||
| .WithSqlServerPersistence(journalOptions, snapshotOptions) | ||
| .WithShardRegion<UserActionsEntity>( | ||
| "userActions", | ||
| s => UserActionsEntity.Props(s), | ||
| new UserMessageExtractor(), | ||
| shardOptions); | ||
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| builder.WithClusterShardingJournalMigrationAdapter(journalOptions); | ||
| }) | ||
| ``` | ||
| As noted in [the upgrade advisories](https://getakka.net/community/whats-new/akkadotnet-v1.5-upgrade-advisories.html), there was some major changes inside Akka.NET that directly affects Akka.Hosting. To upgrade from v1.4 to v1.5, please watch our video [here](https://www.youtube.com/watch?v=-UPestlIw4k) covering this process. |
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