play.reference-overrides.conf Maven / Gradle / Ivy

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#
# Copyright (C) 2009-2015 Typesafe Inc. 
#

# Hack to override some of Akka's defaults in Play

# Play's config file loading logic will load this file with a higher
# priority than reference.conf, but a lower priority than application.conf.
# That allows Play to override Akka's reference.conf (which can't happen
# from in Play's own reference.conf), but still allow users to override
# Play's settings in their application.conf.

akka {

  # Play applications don't want to exit when Akka receives a fatal error.
  jvm-exit-on-fatal-error = off

  actor {
    default-dispatcher = {
      fork-join-executor {
        # Settings this to 1 instead of 3 seems to improve performance.
        parallelism-factor = 1.0

        # @richdougherty: Not sure why this is set below the Akka
        # default.
        parallelism-max = 24

        # Setting this to LIFO changes the fork-join-executor
        # to use a stack discipline for task scheduling. This usually
        # improves throughput at the cost of possibly increasing
        # latency and risking task starvation (which should be rare).
        task-peeking-mode = LIFO
      }
    }
  }

  # Tell akka to use Slf4jLogger and filter
  loggers = ["akka.event.slf4j.Slf4jLogger"]
  logging-filter = "akka.event.slf4j.Slf4jLoggingFilter"

}