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1.20.0
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@mjpt777 mjpt777 released this 12 Jul 17:00
· 7600 commits to master since this release
1.20.0
c20058e
  • Add pre-touch option for memory mapped files in clients to fault in pages to reduce latency spikes on first cycle around log buffers.
  • Rework C++ client to share log buffer mappings between publications and subscriptions when possible to reduce mapping costs.
  • Rework C++ client to manage images via shared_ptr to help avoid memory reclamation issues. Issue #467.
  • Rework management of C++ client resources to be more O(1) when reacting to events from the driver.
  • Set error handler on Aeron client in Archive client when set. PR #687.
  • Check for reentrant calls to Aeron client from C++ callbacks and call error handler if detected.
  • Add watch option to Java AeronStat and separate out counter reader. PR #684.
  • Tighten up logic to avoid use of C++ Aeron client after close.
  • Replace division operations with shifts where possible to improve performance on startup in Java implementation.
  • Support adding and removing counters availability handlers after client connect and to support multiple handlers in Java and C++ clients.
  • Add the ability to do archive replays bounded by a counter to Java and C++ implementations.
  • Improve and expand Java and C++ samples.
  • Some fixes for the Windows native build which is still experimental.
  • Remove unused linger feature from flow control to reduce footprint and improve performance.
  • Fix concurrency issue with buffer cleaning which could result in a stream locking up and being in a permanent back-pressure state.
  • Add stopAllReplays operation to the Archive which can be on a specific recording or wildcarded to all recordings.
  • Don't treat explicit client closes as timeouts. PR #681.
  • Limit resend window to half a term length to avoid unnecessary under runs.
  • Add observed values in timeout exception messages. PR #680.
  • Reduce allocation when using logging agent and improve its performance.
  • Use more efficient clock implementations in C media driver.
  • Use correct message encoder when sending a stopReplay to the archive. PR #676.
  • Correctly initialise send and clean positions on publications when a non-zero start is required in the C driver.
  • Add semantic versioning to CnC files. Issue #624.
  • Fix Subscription::isConnected() in C++ client.
  • Many improvements to Cluster which is not yet GA.
  • Upgrade to Mockito 2.28.2.
  • Upgrade to javadoc-links 3.7.5.
  • Upgrade to Checkstyle 8.22.
  • Upgrade to Shadow 5.1.0.
  • Upgrade to SBE 1.12.8.
  • Upgrade to Agrona 1.0.3.

Java binaries can be found here...

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