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Releases: aeron-io/aeron

1.5.2

01 Nov 21:12
@mjpt777 mjpt777
1.5.2 8000
d16bd4d
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1.5.2
  • Improve failure detection in AeronArchive client for when connections drop. Issue #427.
  • Add a lock to AeronArchive client so it is threadsafe.
  • Fix issue introduced with unblock logic that would not unblock when term had rotated ahead of blocked position. Issue #424.
  • Remove use of PAGE_SIZE in C++ client to avoid compilation errors on Android. Issue #405.
  • Have Publication and ExclusivePublication have a common super class of Publication in Java so they can be interchanged.
  • Add isConnected() method to Subscription.
  • Check window length against socket buffer on start up fail fast. Issue #420.
  • Support units (k, m, and g) for size such as 16k for a 16 KB buffer length, and (s, ms, us, ns) for durations in system properties.
  • Add generated codecs to aeron-archive.jar. Issue #416.
  • Upgrade to Mockito 2.11.0.

Java binaries can be found here...

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1.5.1

16 Oct 16:16
@mjpt777 mjpt777
1.5.1
13f9bf8
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1.5.1
  • Fix bug with segment filename generation for the Archive. #414.
  • Further validation of publication parameters to the C media driver.
  • Duplicate ByteBuffers for terms in client so independent subscriptions can operate in a threadsafe manner if they require access to the underlying ByteBuffers for onwards IO.
  • Remove aeron.term.buffer.max.length property as it is not needed given current usage.
  • Fix socket options and bind address for multicast in C driver.
  • Upgrade to SBE 1.7.3.
  • Upgrade to Agrona 0.9.9.

Java binaries can be found here...

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1.5.0

11 Oct 22:04
@mjpt777 mjpt777
1.5.0
7251981
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1.5.0
  • Separate sendmmsg and recvmmsg detection in C driver to support older kernels. Issue #412.
  • Better support the cycling of connections so they consume less resources when lingering.
  • Provide more immediate detection of an unconnected IPC stream.
  • Allow spy subscriptions to simulate a network connection so a network publication can progress when no receivers are present. Issue #393.
  • Add configuration for page size so the files can be on storage using huge pages to reduce TLB misses. Issue #387
  • Limit maximum message length to be 16MB to encourage better design and streaming in chunks.
  • Change concurrent publication algorithm to better handle the case of thread starvation with publishers and allow other publishers to help rotate a log if another publication is interrupted, or dies, while it is rotating the log. Issue #377.
  • Add Subscription.isConnected().
  • Add event logging for events which result in an exception.
  • Add the ability to set JVM_OPTS from an environment variable in command line scripts.
  • Pass through command line arguments and system properties in sample scripts.
  • Allow for mapped buffers to be ref counted and shared across publications and subscriptions within a client. Issue #365.
  • Add vectored IO for publishing a number of buffers which make up a message as a single operation. Issues #401, #394.
  • Reduce copying, interface scanning, and object allocation for channel setup in Java.
  • Upgrade to SBE 1.7.2.
  • Upgrade to Agrona 0.9.8.
  • Upgrade to Checkstyle 8.3.
  • Upgrade to Mockito 2.10.0.
  • Upgrade to Byte Buddy 1.7.4.

Java binaries can be found here...

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1.4.1

25 Aug 15:55
@mjpt777 mjpt777
1.4.1
4cc6c75
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1.4.1
  • Update the aeron-archive module to Maven Central as part of the build.
  • Improve C driver build when OS features are not available so it degrades more gracefully.
  • Tidy up of media driver configuration and added Javadoc. Note that if you used Context.dirsDeleteOnStart(boolean) for testing that it has been renamed to Context.dirDeleteOnStart(boolean).
  • Add configuration option so that high resolution timers can be enabled on Windows.
  • Fix issue with term buffer length of 1GB. Issue #388.

Java binaries can be found here...

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1.4.0

21 Aug 20:42
@mjpt777 mjpt777
1.4.0
0c11cf8
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1.4.0
  • Native media driver written in C for greater throughput on Linux. Get started here....
  • Archive service in Java to support the recording and replay of message streams. Get started here....
  • Improved AeronStat for running in a Windows console and added delay param for controlling the update cycle in seconds.
  • Handle race condition on driver start when checking if it is active yet. Issue #385.
  • Update FlowControl API to support a shouldLinger method and EOS parameters to allow for faster clean up of resources.
  • Encapsulate buffer and length into a struct for atomic update of images under a subscription in C++. Issue #383.
  • Add Subscription::controlPoll to C++ client.
  • C++ client was not going round robin on the images under a subscription. Issue #381.
  • Added AgentInvoker to C++ client for removing the need for the client conductor thread.
  • Fix issues with publications being unblocked when clients are closing and creating new subscriptions. Issue #377.
  • Add Publication.MAX_POSITION_EXCEEDED return code from offer for when termId can wrap due to using small term buffer lengths.
  • Add shared_ptr for LogBuffer saved in Publication and ExclusivePublication to keep mapping around while in scope. Issue #371.
  • Rework Java client to better support timeouts and closing from other threads to help avoid segfaults. Issue #371.
  • Publications store registrationId and correlationId with the ability to call Publication.isOriginal() to determine if this is the first publication added for a given channel and streamId on a driver.
  • Move access to the AgentInvoker from Aeron.Context to Aeron on the client and MediaDriver.Context to MediaDriver.
  • Fix alignment types in native buffers for supporting processors which require alignment. Issue #359.
  • Counters now have labels in US_ASCII rather than UTF-8 to be more efficient as they are restricted to US_ASCII anyway.
  • Image.joiningPosition() has been renamed to Image.joinPosition().
  • ByteBuffers in Subscription and Image polling callbacks now have offsets the same as termBuffer offsets so the ByteBuffer can be used directly.
  • Stricter validation of channel URI parameters and new classes for client usage in ChannelUri and ChannelUriStringBuilder.
  • Reduce object allocations when cycling streams in Java media driver.
  • Add Image.isEndOfStream() for fast detection of stream end.
  • Add direct ByteBuffer support to FragmentAssemblers to avoid the need for copying of received messages before sending on the an NIO channel.
  • Upgrade to Agrona 0.9.7.
  • Upgrade to SBE 1.7.1.
  • Upgrade to Mockito 2.8.47.
  • Upgrade to Byte Buddy 1.6.14.
  • Upgrade to Checkstyle 8.1.
  • Upgrade to sevntu-checks:1.24.1.
  • Upgrade to Gradle 4.1.

Java binaries can be found here...

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1.3.0

14 May 08:56
@mjpt777 mjpt777
1.3.0
baa52e0
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1.3.0
  • Fixed issue with a Subscription being closed and rapidly reopened on the same streamId and channel.
  • Add ThreadingMode.INVOKER to the driver so no threads are started and the media driver can be invoked by the client for its duty cycle. Example in the Archiver.
  • Added system property that allows TCP_MODE to be enabled on CUBIC congestion control.
  • Throughput and latency improvements on the receiver side when interacting with NIO DatagramChannels.
  • Add Header.context() member which contains the Image for use in subscriber callbacks.
  • Allow for client thread and lock to be elided when used in a low resource environment where the client will invoke the client duty cycle. Example can be found in the Archiver.
  • Notify that a new Image is available before it is added to the Subscription so setup actions can be taken.
  • Fix Ping samples for messages larger than MTU.
  • Numerous improvements to the performance and GC overhead of creating and releasing connections.
  • Add Image.joiningPosition().
  • Avoid use of std::function for performance in C++.
  • Add ExclusivePublication support to C++.
  • Close file descriptor after mapping an existing file in C++. Issue #339
  • Upgrade to Checkstyle 7.7.
  • Upgrade to Agrona 0.9.6.

Java binaries can be found here...

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1.2.5

12 Apr 20:53
@mjpt777 mjpt777
1.2.5
0df0ba0
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1.2.5
  • Make ExclusiveBufferClaim.flags() consistent with Header.flags().
  • Move responsibility for closing channel endpoints on shutdown from the driver-conductor to sender and receiver as appropriate.
  • Don't wait for Receiver to close a channel endpoint within the driver conductor. Issue #338.
  • Remove use of RandomAccessFile so that only FileChannels are used to reference files.
  • Improve efficiency of startup.
  • Upgrade to Agrona 0.9.5.
  • Upgrade to Mockito 2.7.22.
  • Upgrade to Gradle 3.5.

Java binaries can be found here...

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1.2.4

06 Apr 17:21
@mjpt777 mjpt777
1.2.4
3da38e4
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1.2.4
  • Update CnC file to accommodate counters with labels up to 380 bytes. This bumps the CNC_VERSION so all clients and the driver on the same machine need to be upgraded at the same time.
  • Truncate log buffers when a stream is closed so space can be reclaimed as soon as possible.
  • Add Image.controlledPeek to peek ahead into a stream without advancing the subscriber position.
  • Improve the efficiency of Aeron startup and shutdown.
  • Back pressure a Publication as soon as its timeout is triggered due to not receiving status messages so that low throughput connections signal NOT_CONNECTED sooner. Also applies to IPC when all Subscriptions are closed.
  • Add per Subscription callbacks for notification of Image availability and unavailability.
  • Make media driver conductor more efficient so it can deal with a higher number of connected streams.
  • Add the ability to create an ExclusivePublication with initial state set so it can replay existing archived data.
  • Add ExclusivePublication for higher throughput single threaded publisher.
  • Allow the Aeron client to start before the media driver when an existing CnC file is present.
  • Clean up Aeron.Context if an error occurs when trying to establish a connection with the media driver.
  • Add Aeron.nextCorrelationId().
  • Avoid a recursive close in the Aeron Java client when a timeout occurs.
  • Upgrade to sevntu-checks 1.23.1.
  • Upgrade to Checkstyle 7.6.1.
  • Upgrade to Byte Buddy 1.6.12.
  • Upgrade to Mockito 2.7.21.
  • Upgrade to Agrona 0.9.4.

Java binaries can be found here...

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1.2.3

02 Mar 18:29
@mjpt777 mjpt777
1.2.3
5638f22
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1.2.3
  • Fix bug with managing the lifetime of Subscriptions to IPC Publications when a publication is added and removed multiple times in quick succession without break on the same stream id.
  • Improvements to C++ client for building on Windows.

Java binaries can be found here...

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1.2.2

01 Mar 17:08
@mjpt777 mjpt777
1.2.2
fe8b94e
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1.2.2
  • Fix bug with IPC Subscriptions being linked multiple times when Publication added from different clients that match.
  • Transition IPC Publications to inactive as soon as the Publication reference count reaches zero.

Java binaries can be found here...

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