It is a plugin for akka-persistence that stores messages in memory with configurable failure rate. In may be used in persistence fault tolerance tests. The plugin is written on the top of akka-persistence-inmemory.
libraryDependencies += "org.psliwa" %% "akka-persistence-chaos-journal" % "2.5.1.1.0"
The exemplary project with the usage of the plugin for tests is here.
Add in yours application.conf:
akka.persistence {
journal.plugin = "akka.persistence.chaos.journal"
read-journal.plugin = "akka.persistence.chaos.read-journal"
snapshot.plugin = "inmemory-snapshot-store"
}
Configuration details you can find in reference.conf.