Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
173 lines (137 sloc) 6.51 KB
######################################
# Akka Cluster Reference Config File #
######################################
# This is the reference config file that contains all the default settings.
# Make your edits/overrides in your application.conf.
akka {
cluster {
# Initial contact points of the cluster.
# The nodes to join at startup if auto-join = on.
# Comma separated full URIs defined by a string on the form of
# "akka://system@hostname:port"
# Leave as empty if the node should be a singleton cluster.
seed-nodes = []
# how long to wait for one of the seed nodes to reply to initial join request
seed-node-timeout = 5s
# Automatic join the seed-nodes at startup.
# If seed-nodes is empty it will join itself and become a single node cluster.
auto-join = on
# Should the 'leader' in the cluster be allowed to automatically mark
# unreachable nodes as DOWN?
# Using auto-down implies that two separate clusters will automatically be
# formed in case of network partition.
auto-down = off
# Enable or disable JMX MBeans for management of the cluster
jmx.enabled = on
# how long should the node wait before starting the periodic tasks
# maintenance tasks?
periodic-tasks-initial-delay = 1s
# how often should the node send out gossip information?
gossip-interval = 1s
# how often should the leader perform maintenance tasks?
leader-actions-interval = 1s
# how often should the node move nodes, marked as unreachable by the failure
# detector, out of the membership ring?
unreachable-nodes-reaper-interval = 1s
# How often the current internal stats should be published.
# A value of 0 s can be used to always publish the stats, when it happens.
publish-stats-interval = 10s
# A joining node stops sending heartbeats to the node to join if it hasn't
# become member of the cluster within this deadline.
join-timeout = 60s
# The id of the dispatcher to use for cluster actors. If not specified
# default dispatcher is used.
# If specified you need to define the settings of the actual dispatcher.
use-dispatcher = ""
# Gossip to random node with newer or older state information, if any with
# this probability. Otherwise Gossip to any random live node.
# Probability value is between 0.0 and 1.0. 0.0 means never, 1.0 means always.
gossip-different-view-probability = 0.8
# Limit number of merge conflicts per second that are handled. If the limit is
# exceeded the conflicting gossip messages are dropped and will reappear later.
max-gossip-merge-rate = 5.0
failure-detector {
# FQCN of the failure detector implementation.
# It must implement akka.cluster.akka.cluster and
# have constructor with akka.actor.ActorSystem and
# akka.cluster.ClusterSettings parameters
implementation-class = "akka.cluster.AccrualFailureDetector"
# how often should the node send out heartbeats?
heartbeat-interval = 1s
# Number of member nodes that each member will send heartbeat messages to,
# i.e. each node will be monitored by this number of other nodes.
monitored-by-nr-of-members = 5
# defines the failure detector threshold
# A low threshold is prone to generate many wrong suspicions but ensures
# a quick detection in the event of a real crash. Conversely, a high
# threshold generates fewer mistakes but needs more time to detect
# actual crashes
threshold = 8.0
# Minimum standard deviation to use for the normal distribution in
# AccrualFailureDetector. Too low standard deviation might result in
# too much sensitivity for sudden, but normal, deviations in heartbeat
# inter arrival times.
min-std-deviation = 100 ms
# Number of potentially lost/delayed heartbeats that will be
# accepted before considering it to be an anomaly.
# It is a factor of heartbeat-interval.
# This margin is important to be able to survive sudden, occasional,
# pauses in heartbeat arrivals, due to for example garbage collect or
# network drop.
acceptable-heartbeat-pause = 3s
max-sample-size = 1000
}
# Uses JMX and Hyperic SIGAR, if SIGAR is on the classpath.
metrics {
# Enable or disable metrics collector for load-balancing nodes.
enabled = on
# How often metrics is sampled on a node.
metrics-interval = 3s
# How often a node publishes metrics information.
gossip-interval = 3s
# How quickly the exponential weighting of past data is decayed compared to
# new data.
# If set to 0 data streaming over time will be turned off.
# Set higher to increase the bias toward newer values
rate-of-decay = 10
}
# If the tick-duration of the default scheduler is longer than the
# tick-duration configured here a dedicated scheduler will be used for
# periodic tasks of the cluster, otherwise the default scheduler is used.
# See akka.scheduler settings for more details about the HashedWheelTimer.
scheduler {
tick-duration = 33ms
ticks-per-wheel = 512
}
# Netty blocks when sending to broken connections, and this circuit breaker
# is used to reduce connect attempts to broken connections.
send-circuit-breaker {
max-failures = 3
call-timeout = 2 s
reset-timeout = 30 s
}
}
# Default configuration for routers
actor.deployment.default.cluster {
# enable cluster aware router that deploys to nodes in the cluster
enabled = off
# Maximum number of routees that will be deployed on each cluster
# member node.
# Note that nr-of-instances defines total number of routees, but
# number of routees per node will not be exceeded, i.e. if you
# define nr-of-instances = 50 and max-nr-of-instances-per-node = 2
# it will deploy 2 routees per new member in the cluster, up to
# 25 members.
max-nr-of-instances-per-node = 1
# Defines if routees are allowed to be located on the same node as
# the head router actor, or only on remote nodes.
# Useful for master-worker scenario where all routees are remote.
allow-local-routees = on
# Actor path of the routees to lookup with actorFor on the member
# nodes in the cluster. E.g. "/user/myservice". If this isn't defined
# the routees will be deployed instead of looked up.
# max-nr-of-instances-per-node should not be configured (default value is 1)
# when routees-path is defined.
routees-path = ""
}
}
Something went wrong with that request. Please try again.