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Event Store 4.1.1 Hotfix 1

We have released a hotfix for Event Store 4.1.1 to fix the following issue: https://github.com/EventStore/EventStore/issues/1627

You can download the hotfix for:

  • Windows (via Chocolatey)
  • Ubuntu 18.04 (via packagecloud)
  • Ubuntu 16.04 (via packagecloud)
  • Ubuntu 14.04 (via packagecloud)

Due to a misconfiguration, logs are written synchronously in version 4.1.1

Event Store versions affected:
4.1.1 only

Operating system:


  • Nodes may become unresponsive during high load
  • Performance drops have been reported

We would like to thank @GojiSoft for reporting this issue and @snakefoot for proposing a fix.

Event Store 4.1.1 Hotfix release notes

Event Store Server

  • #1628 - (All Platforms) - Fix asyncwrapper misconfiguration in log.config (causing synchronous logging)