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Improved diagnostics for long running, delayed, and blocked request:
This release includes improvements to give developers additional context when a request does not return promptly. PR#6672 added these improvements. Orleans will periodically probe active grains to inspect their message queues and send status updates for certain requests which have been enqueued or executing for too long. These status messages will appear as warnings in the logs and will also be included in exceptions when a request timeout occurs. The information included can help a developer to identify what the grain is doing at the time of the request. For example, which messages are enqueued ahead of this message, and which messages are executing, how long they have been executing, how long this message has been enqueued, and the status of the grain'sTaskScheduler.
Microsoft.Orleans.Hosting.Kubernetes NuGet package (3.3.0-beta1) for tighter integration with Kubernetes
This release adds a new pre-release package,Microsoft.Orleans.Hosting.Kubernetes, which adds richer integration for users hosting on Kubernetes. The package assists users by monitoring Kubernetes for silo pods and reflecting changes in cluster membership. For example, when a Pod is deleted, it is immediately removed from Orleans' membership. In addition, the package configuresEndpointOptions and `ClusterOptions' to match the Pod's environments. Documentation and a sample project are expected in the coming weeks, and in the meantime, please see the original PR for more information:#6707.
Improvements and bug fixes since 3.2.0.
Potentially breaking change
- Added 'RecordExists' flag to perisistent store so that grains can det… (#6580)
(Implementations ofIStorage<TState>andIGrainStateneed to be updated to add a RecordExists property.)
- Added 'RecordExists' flag to perisistent store so that grains can det… (#6580)
Non-breaking improvements
- Use "static" client observer to notify from the gateway when the silo is shutting down (#6613)
- More graceful termination of network connections (#6557) (#6625)
- Use TaskCompletionSource.RunContinuationsAsynchronously (#6573)
- Observe discarded ping task results (#6577)
- Constrain work done under a lock in BatchWorker (#6586)
- Support deterministic builds with CodeGenerator (#6592)
- Fix some xUnit test discovery issues (#6584)
- Delete old Joining records as part of cleanup of defunct entries (#6601,#6624)
- Propagate transaction exceptions in more cases (#6615)
- SocketConnectionListener: allow address reuse (#6653)Improve ClusterClient disposal (#6583)
- AAD authentication for Azure providers (blob, queue & table) (#6648)
- Make delay after gw shutdown notification configurable (#6679)
- Tweak shutdown completion signalling (#6685) (#6696)
- Close some kinds of misbehaving connections during shutdown (#6684) (#6695)
- Send status messages for long-running and blocked requests (#6672) (#6694)
- Kubernetes hosting integration (#6707) (#6721)
- Reduce log noise (#6705)
- Upgrade AWS dependencies to their latest versions. (#6723)
Non-breaking bug fixes
- Fix SequenceNumber for MemoryStream (#6622) (#6623)
- When activation is stuck, make sure to unregister from the directory before forwarding messages (#6593)
- Fix call pattern that throws. (#6626)
- Avoid NullReferenceException in Message.TargetAddress (#6635)
- Fix unobserved ArgumentOutOfRangeException from Task.Delay (#6640)
- Fix bad merge (#6656)
- Avoid race in GatewaySender.Send (#6655)
- Ensure that only one instance of IncomingRequestMonitor is created (#6714)
- v3.3.0-rc2
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- v3.3.0-rc2
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sergeybykov released this
Improvements and bug fixes since 3.3.0-rc1.
- v3.3.0-rc1
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sergeybykov released this
Improvements and bug fixes since 3.2.2.
- Non-breaking improvements
- Improve ClusterClient disposal (#6583)
- Added 'RecordExists' flag to perisistent store so that grains can det… (#6580)
- AAD authentication for Azure providers (blob, queue & table) (#6648)
- Make delay after gw shutdown notification configurable (#6679)
- Tweak shutdown completion signalling (#6685) (#6696)
- Close some kinds of misbehaving connections during shutdown (#6684) (#6695)
- Send status messages for long-running and blocked requests (#6672) (#6694)
Improved diagnostics for long running, delayed, and blocked request:
This release includes improvements to give developers additional context when a request does not return promptly. PR#6672 added these improvements. Orleans will periodically probe active grains to inspect their message queues and send status updates for certain requests which have been enqueued or executing for too long. These status messages will appear as warnings in the logs and will also be included in exceptions when a request timeout occurs. The information included can help a developer to identify what the grain is doing at the time of the request. For example, which messages are enqueued ahead of this message, and which messages are executing, how long they have been executing, how long this message has been enqueued, and the status of the grain'sTaskScheduler.
sergeybykov released this
Improvements and bug fixes since 3.2.1.
sergeybykov released this
Improvements and bug fixes since 3.2.0.
Non-breaking improvements
- Use "static" client observer to notify from the gateway when the silo is shutting down (#6613)
- More graceful termination of network connections (#6557) (#6625)
- Use TaskCompletionSource.RunContinuationsAsynchronously (#6573)
- Observe discarded ping task results (#6577)
- Constrain work done under a lock in BatchWorker (#6586)
- Support deterministic builds with CodeGenerator (#6592)
- Fix some xUnit test discovery issues (#6584)
- Delete old Joining records as part of cleanup of defunct entries (#6601,#6624)
- Propagate transaction exceptions in more cases (#6615)
Non-breaking bug fixes
sergeybykov released this
3.2.0 includes two major changes
- Pluggable grain directory
This feature allows to use external storage as an option for keeping grain directory information. Directory plugins can be configured for different grain classes independently, so that different consistency/availability tradeoffs can be made for different grain classes.
As part of this change, we had to remove support for multi-cluster functionality. We intend to bring it back as a grain directory plugin at a later time. Removal of multi-clustering is the only breaking change, and only if you used the feature previously.
- Switch to using .NET thread pool for scheduling
Since first version, Orleans has been using its own custom thread pool implementation to make up for the deficiencies in the .NET thread pool. Since then, the .NET thread pool has improved significantly, and there is no need any more for a separate solution within Orleans.
We measured a performance increase of 3.2.0 compared to 3.1.6 of 12% to 20% depending on the test scenario.
Other improvements and bug fixes since 3.1.0.
Breaking changes
- Remove current multicluster implementation (#6498)
Non-breaking improvements
- Remove new() constraint for grain persistence (#6351)
- Improve TLS troubleshooting experience (#6352)
- Remove unnecessary RequestContext.Clear in networking (#6357)
- Cleanup GrainBasedReminderTable (#6355)
- Avoid using GrainTimer in non-grain contexts (#6342)
- Omit assembly name for all types from System namespace during codegen (#6394)
- Fix System namespace classification in Orleans.CodeGenerator (#6396)
- Reduce port clashes in TestCluster (#6399,#6413)
- Use the overload of ConcurrentDictionary.GetOrAdd that takes a method (#6409)
- Ignore not found exception when clearing azure queues (#6419)
- MembershipTableCleanupAgent: dispose timer if cleanup is unsupported (#6415)
- Allow grain call filters to retry calls (#6414)
- Avoid most cases of loggers with non-static category names (#6430)
- Free SerializationContext and DeserializationContext between calls (#6433)
- Don't use iowait in cpu calcs on linux (#6444)
- TLS: specify an application protocol to satisfy ALPN (#6455)
- Change the error about not supported membership table cleanup functionality into a warning. (#6447)
- Update obsoletion warning for ISiloBuilderConfigurator (#6461)
- Allow GatewayManager initialization to be retried (#6459)
- Added eventIndex (#6467)
- Send rejections for messages enqueued on stopped outbound queue (#6474)
- Stopped WorkItemGroup logging enhancement (#6483)
- Streamline LINQ/Enumerable use (#6482)
- Support for pluggable grain directory (#6340,#6354,#6366,#6385,#6473,#6485,#6502,#6524)
- Expose timeouts for Azure Table Storage (#6462,#6501,#6509)
- Schedule Tasks and WorkItems on .NET ThreadPool (#6261)
- Schedule received messages onto thread pool in Connection.ProcessIncoming (#6263)
- Remove AsyncAgent, Executor and related (#6264)
- Reorient RuntimeContext around IGrainContext (#6365)
- Remove Message.DebugContext and related code (#6323)
- Remove obviated GrainId constructor and associated code (#6322)
- Set isolation level to
READ COMMITTEDto avoid Gap Lock issues (#6331) - AdoNet: Rename Storage table to OrleansStorage for consistency with other tables. (#6336)
- Avoid using GrainTimer in non-grain contexts (#6342)
- Remove unnecessary provider runtime members (#6362)
- Remove ClientInvokeCallback (#6364)
- Remove ProcessExitHandlingOptions (#6369)
- Simplify OrleansTaskScheduler (#6370)
- Remove IServiceProvider from IGrainContext (#6372)
- Streamline MemoryStorage and InMemoryReminderTable (#6315)
- Fix test glitch in PersistenceProvider_Memory_FixedLatency_WriteRead (#6378)
- Fix errors reported by GitHub Semmle code analysis tools. (#6374)
- Remove Microsoft prefix from logging categories (#6431)
- Streamline Dictionary use and remove some dead code (#6439)
- Make methods on AITelemetryConsumer virtual; clean-up (#6469)
- Remove IHostedClient abstraction (#6475)
- Only allocate an array for lengths when array rank is greater than 3 (#6493)
- Support ValueTask as [OneWay] Methods Return Type (#6521)
- Grain Directory Redis implementation (#6543,#6569,#6570,#6571)
Non-breaking bug fixes
- Fix CleanupDefunctSiloMembership & MembershipTableTests (#6344)
- Schedule IMembershipTable.CleanupDefunctSiloEntries more frequently (#6346)
- CodeGenerator fixes (#6347)
- Fix handling of gateways in Orleans.TestingHost (#6348)
- Avoid destructuring in log templates (#6356)
- Clear RequestContext after use (#6358)
- Amended Linux stats registration to add services on Linux only (#6375)
- Update performance counter dependencies (#6397)
- Reminders period overflow issue in ADO.NET Reminders Table (#6390)
- Read only the body segment from EventData (#6412)
- Consistently sanitize RowKey & PartitionKey properties for Azure Table Storage reminders implementation (#6460)
- Gossip that the silo is dead before the outbound queue gets closed (#6480)
- Fix a race condition in LifecycleSubject (#6481)
- Fix log message (#6408)
- Do not reject rejection messages locally. Drop them instead (#6525)
- LocalGrainDirectory.UnregisterManyAsync should always be called from RemoteGrainDirectory context (#6575)
- v3.2.0-rc2
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- v3.2.0-rc2
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sergeybykov released this
Improvements and bug fixes since 3.2.0-rc2
- Non-breaking bug fixes
- Do not reject rejection messages locally. Drop them instead (#6525)
sergeybykov released this
Improvements and bug fixes since 3.1.6.
- Non-breaking bug fixes
- Do not reject rejection messages locally. Drop them instead (#6525)
- v3.2.0-rc1
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sergeybykov released this
3.2.0 includes two major changes
- Pluggable grain directory
This feature allows to use external storage as an option for keeping grain directory information. Directory plugins can be configured for different grain classes independently, so that different consistency/availability tradeoffs can be made for different grain classes.
As part of this change, we had to remove support for multi-cluster functionality. We intend to bring it back as a grain directory plugin at a later time. Removal of multi-clustering is the only breaking change, and only if you used the feature previously.
- Switch to using .NET thread pool for scheduling
Since first version, Orleans has been using its own custom thread pool implementation to make up for the deficiencies in the .NET thread pool. Since then, the .NET thread pool has improved significantly, and there is no need any more for a separate solution within Orleans.
We measured a performance increase of 3.2.0-rc1 compared to 3.1.6 of 12% to 20% depending on the test scenario.
Other improvements and bug fixes since 3.1.6.
Breaking changes
- Remove current multicluster implementation (#6498)
Non-breaking improvements
- Support for pluggable grain directory (#6340,#6354,#6366,#6385,#6473,#6485,#6502,#6524)
- Expose timeouts for Azure Table Storage (#6462,#6501,#6509)
- Schedule Tasks and WorkItems on .NET ThreadPool (#6261)
- Schedule received messages onto thread pool in Connection.ProcessIncoming (#6263)
- Remove AsyncAgent, Executor and related (#6264)
- Reorient RuntimeContext around IGrainContext (#6365)
- Remove Message.DebugContext and related code (#6323)
- Remove obviated GrainId constructor and associated code (#6322)
- Set isolation level to
READ COMMITEDto avoid Gap Lock issues (#6331) - AdoNet: Rename Storage table to OrleansStorage for consistency with other tables. (#6336)
- Avoid using GrainTimer in non-grain contexts (#6342)
- Remove unnecessary provider runtime members (#6362)
- Remove ClientInvokeCallback (#6364)
- Remove ProcessExitHandlingOptions (#6369)
- Simplify OrleansTaskScheduler (#6370)
- Remove IServiceProvider from IGrainContext (#6372)
- Streamline MemoryStorage and InMemoryReminderTable (#6315)
- Fix test glitch in PersistenceProvider_Memory_FixedLatency_WriteRead (#6378)
- Fix errors reported by GitHub Semmle code analysis tools. (#6374)
- Remove Microsoft prefix from logging categories (#6431)
- Streamline Dictionary use and remove some dead code (#6439)
- Make methods on AITelemetryConsumer virtual; clean-up (#6469)
- Remove IHostedClient abstraction (#6475)
- Only allocate an array for lengths when array rank is greater than 3 (#6493)
Non-breaking bug fixes
- Fix log message (#6408)
sergeybykov released this
Improvements and bug fixes since 3.1.5.
Non-breaking improvements
Non-breaking bug fixes



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