Skip to content

Conversation

solrbot
Copy link
Collaborator

@solrbot solrbot commented Aug 29, 2025

This PR contains the following updates:

Package Type Update Change
com.lmax:disruptor (source) dependencies major 3.4.4 -> 4.0.0

Release Notes

LMAX-Exchange/disruptor (com.lmax:disruptor)

v4.0.0

Compare Source

  • Minimum Java version now 11
  • Issue #​323 - WorkerPool and WorkProcessor have been removed, no more Disruptor::handleEventsWithWorkerPool
  • Disruptor constructors using Executor have been removed. Use ThreadFactory instead.
  • Rolled up event handling extension interfaces on to EventHandler:
    • BatchStartAware
    • LifecycleAware
    • SequenceReportingEventHandler
  • FatalExceptionHandler and IgnoreExceptionHandler now use the JDK 9 Platform Logging API, i.e. System.Logger
  • Add rewind batch feature to the BatchEventProcessor
  • Add a maximum batch size argument to BatchEventProcessor
    • EventHandler::onBatchStart now gets both the batchSize as well as queueDepth (previously it had batchSize which reported queue depth)
  • Added documentation to EventPoller
  • Util::log2 throws if passed a non-positive argument
  • Deprecations
    • Deprecated ThreadHints.onSpinWait()
    • Deprecated Disruptor.handleExceptionsWith() - this had been javadoc deprecated since 2015 but not in the code
    • Removed previously deprecated methods
      • Ringbuffer.resetTo()
      • ConsumerRepository.getLastSequenceInChain()

Configuration

📅 Schedule: Branch creation - Every minute ( * * * * * ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR has been generated by Renovate Bot

@solrbot solrbot added the exempt-stale Prevent a PR from going stale label Aug 29, 2025
@ppkarwasz
Copy link

Log4j Core has introduced support for Disruptor 4.x in version 2.23.0 (see the Log4j 2.23.0 release notes). To make this PR build successfully, you’ll need to merge #3562 first.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

exempt-stale Prevent a PR from going stale

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants