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# Akka Actor Reference Config File #
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# This is the reference config file that contains all the default settings.
# Make your edits/overrides in your application.conf.
akka {
# Akka version, checked against the runtime version of Akka.
version = "2.3.11"
# Home directory of Akka, modules in the deploy directory will be loaded
home = ""
# Loggers to register at boot time (akka.event.Logging$DefaultLogger logs
# to STDOUT)
loggers = ["akka.event.Logging$DefaultLogger"]
# Loggers are created and registered synchronously during ActorSystem
# start-up, and since they are actors, this timeout is used to bound the
# waiting time
logger-startup-timeout = 5s
# Log level used by the configured loggers (see "loggers") as soon
# as they have been started; before that, see "stdout-loglevel"
# Options: OFF, ERROR, WARNING, INFO, DEBUG
loglevel = "INFO"
# Log level for the very basic logger activated during ActorSystem startup.
# This logger prints the log messages to stdout (System.out).
# Options: OFF, ERROR, WARNING, INFO, DEBUG
stdout-loglevel = "WARNING"
# Log the complete configuration at INFO level when the actor system is started.
# This is useful when you are uncertain of what configuration is used.
log-config-on-start = off
# Log at info level when messages are sent to dead letters.
# Possible values:
# on: all dead letters are logged
# off: no logging of dead letters
# n: positive integer, number of dead letters that will be logged
log-dead-letters = 10
# Possibility to turn off logging of dead letters while the actor system
# is shutting down. Logging is only done when enabled by 'log-dead-letters'
# setting.
log-dead-letters-during-shutdown = on
# List FQCN of extensions which shall be loaded at actor system startup.
# Should be on the format: 'extensions = ["foo", "bar"]' etc.
# See the Akka Documentation for more info about Extensions
extensions = []
# Toggles whether threads created by this ActorSystem should be daemons or not
daemonic = off
# JVM shutdown, System.exit(-1), in case of a fatal error,
# such as OutOfMemoryError
jvm-exit-on-fatal-error = on
actor {
# FQCN of the ActorRefProvider to be used; the below is the built-in default,
# another one is akka.remote.RemoteActorRefProvider in the akka-remote bundle.
provider = "akka.actor.LocalActorRefProvider"
# The guardian "/user" will use this class to obtain its supervisorStrategy.
# It needs to be a subclass of akka.actor.SupervisorStrategyConfigurator.
# In addition to the default there is akka.actor.StoppingSupervisorStrategy.
guardian-supervisor-strategy = "akka.actor.DefaultSupervisorStrategy"
# Timeout for ActorSystem.actorOf
creation-timeout = 20s
# Frequency with which stopping actors are prodded in case they had to be
# removed from their parents
reaper-interval = 5s
# Serializes and deserializes (non-primitive) messages to ensure immutability,
# this is only intended for testing.
serialize-messages = off
# Serializes and deserializes creators (in Props) to ensure that they can be
# sent over the network, this is only intended for testing. Purely local deployments
# as marked with deploy.scope == LocalScope are exempt from verification.
serialize-creators = off
# Timeout for send operations to top-level actors which are in the process
# of being started. This is only relevant if using a bounded mailbox or the
# CallingThreadDispatcher for a top-level actor.
unstarted-push-timeout = 10s
typed {
# Default timeout for typed actor methods with non-void return type
timeout = 5s
}
# Mapping between ´deployment.router' short names to fully qualified class names
router.type-mapping {
from-code = "akka.routing.NoRouter"
round-robin-pool = "akka.routing.RoundRobinPool"
round-robin-group = "akka.routing.RoundRobinGroup"
random-pool = "akka.routing.RandomPool"
random-group = "akka.routing.RandomGroup"
balancing-pool = "akka.routing.BalancingPool"
smallest-mailbox-pool = "akka.routing.SmallestMailboxPool"
broadcast-pool = "akka.routing.BroadcastPool"
broadcast-group = "akka.routing.BroadcastGroup"
scatter-gather-pool = "akka.routing.ScatterGatherFirstCompletedPool"
scatter-gather-group = "akka.routing.ScatterGatherFirstCompletedGroup"
tail-chopping-pool = "akka.routing.TailChoppingPool"
tail-chopping-group = "akka.routing.TailChoppingGroup"
consistent-hashing-pool = "akka.routing.ConsistentHashingPool"
consistent-hashing-group = "akka.routing.ConsistentHashingGroup"
}
deployment {
# deployment id pattern - on the format: /parent/child etc.
default {
# The id of the dispatcher to use for this actor.
# If undefined or empty the dispatcher specified in code
# (Props.withDispatcher) is used, or default-dispatcher if not
# specified at all.
dispatcher = ""
# The id of the mailbox to use for this actor.
# If undefined or empty the default mailbox of the configured dispatcher
# is used or if there is no mailbox configuration the mailbox specified
# in code (Props.withMailbox) is used.
# If there is a mailbox defined in the configured dispatcher then that
# overrides this setting.
mailbox = ""
# routing (load-balance) scheme to use
# - available: "from-code", "round-robin", "random", "smallest-mailbox",
# "scatter-gather", "broadcast"
# - or: Fully qualified class name of the router class.
# The class must extend akka.routing.CustomRouterConfig and
# have a public constructor with com.typesafe.config.Config
# and optional akka.actor.DynamicAccess parameter.
# - default is "from-code";
# Whether or not an actor is transformed to a Router is decided in code
# only (Props.withRouter). The type of router can be overridden in the
# configuration; specifying "from-code" means that the values specified
# in the code shall be used.
# In case of routing, the actors to be routed to can be specified
# in several ways:
# - nr-of-instances: will create that many children
# - routees.paths: will route messages to these paths using ActorSelection,
# i.e. will not create children
# - resizer: dynamically resizable number of routees as specified in
# resizer below
router = "from-code"
# number of children to create in case of a router;
# this setting is ignored if routees.paths is given
nr-of-instances = 1
# within is the timeout used for routers containing future calls
within = 5 seconds
# number of virtual nodes per node for consistent-hashing router
virtual-nodes-factor = 10
tail-chopping-router {
# interval is duration between sending message to next routee
interval = 10 milliseconds
}
routees {
# Alternatively to giving nr-of-instances you can specify the full
# paths of those actors which should be routed to. This setting takes
# precedence over nr-of-instances
paths = []
}
# To use a dedicated dispatcher for the routees of the pool you can
# define the dispatcher configuration inline with the property name
# 'pool-dispatcher' in the deployment section of the router.
# For example:
# pool-dispatcher {
# fork-join-executor.parallelism-min = 5
# fork-join-executor.parallelism-max = 5
# }
# Routers with dynamically resizable number of routees; this feature is
# enabled by including (parts of) this section in the deployment
resizer {
enabled = off
# The fewest number of routees the router should ever have.
lower-bound = 1
# The most number of routees the router should ever have.
# Must be greater than or equal to lower-bound.
upper-bound = 10
# Threshold used to evaluate if a routee is considered to be busy
# (under pressure). Implementation depends on this value (default is 1).
# 0: number of routees currently processing a message.
# 1: number of routees currently processing a message has
# some messages in mailbox.
# > 1: number of routees with at least the configured pressure-threshold
# messages in their mailbox. Note that estimating mailbox size of
# default UnboundedMailbox is O(N) operation.
pressure-threshold = 1
# Percentage to increase capacity whenever all routees are busy.
# For example, 0.2 would increase 20% (rounded up), i.e. if current
# capacity is 6 it will request an increase of 2 more routees.
rampup-rate = 0.2
# Minimum fraction of busy routees before backing off.
# For example, if this is 0.3, then we'll remove some routees only when
# less than 30% of routees are busy, i.e. if current capacity is 10 and
# 3 are busy then the capacity is unchanged, but if 2 or less are busy
# the capacity is decreased.
# Use 0.0 or negative to avoid removal of routees.
backoff-threshold = 0.3
# Fraction of routees to be removed when the resizer reaches the
# backoffThreshold.
# For example, 0.1 would decrease 10% (rounded up), i.e. if current
# capacity is 9 it will request an decrease of 1 routee.
backoff-rate = 0.1
# Number of messages between resize operation.
# Use 1 to resize before each message.
messages-per-resize = 10
}
}
}
default-dispatcher {
# Must be one of the following
# Dispatcher, PinnedDispatcher, or a FQCN to a class inheriting
# MessageDispatcherConfigurator with a public constructor with
# both com.typesafe.config.Config parameter and
# akka.dispatch.DispatcherPrerequisites parameters.
# PinnedDispatcher must be used together with executor=thread-pool-executor.
type = "Dispatcher"
# Which kind of ExecutorService to use for this dispatcher
# Valid options:
# - "default-executor" requires a "default-executor" section
# - "fork-join-executor" requires a "fork-join-executor" section
# - "thread-pool-executor" requires a "thread-pool-executor" section
# - A FQCN of a class extending ExecutorServiceConfigurator
executor = "default-executor"
# This will be used if you have set "executor = "default-executor"".
# If an ActorSystem is created with a given ExecutionContext, this
# ExecutionContext will be used as the default executor for all
# dispatchers in the ActorSystem configured with
# executor = "default-executor". Note that "default-executor"
# is the default value for executor, and therefore used if not
# specified otherwise. If no ExecutionContext is given,
# the executor configured in "fallback" will be used.
default-executor {
fallback = "fork-join-executor"
}
# This will be used if you have set "executor = "fork-join-executor""
fork-join-executor {
# Min number of threads to cap factor-based parallelism number to
parallelism-min = 8
# The parallelism factor is used to determine thread pool size using the
# following formula: ceil(available processors * factor). Resulting size
# is then bounded by the parallelism-min and parallelism-max values.
parallelism-factor = 3.0
# Max number of threads to cap factor-based parallelism number to
parallelism-max = 64
# Setting to "FIFO" to use queue like peeking mode which "poll" or "LIFO" to use stack
# like peeking mode which "pop".
task-peeking-mode = "FIFO"
}
# This will be used if you have set "executor = "thread-pool-executor""
thread-pool-executor {
# Keep alive time for threads
keep-alive-time = 60s
# Min number of threads to cap factor-based core number to
core-pool-size-min = 8
# The core pool size factor is used to determine thread pool core size
# using the following formula: ceil(available processors * factor).
# Resulting size is then bounded by the core-pool-size-min and
# core-pool-size-max values.
core-pool-size-factor = 3.0
# Max number of threads to cap factor-based number to
core-pool-size-max = 64
# Minimum number of threads to cap factor-based max number to
# (if using a bounded task queue)
max-pool-size-min = 8
# Max no of threads (if using a bounded task queue) is determined by
# calculating: ceil(available processors * factor)
max-pool-size-factor = 3.0
# Max number of threads to cap factor-based max number to
# (if using a bounded task queue)
max-pool-size-max = 64
# Specifies the bounded capacity of the task queue (< 1 == unbounded)
task-queue-size = -1
# Specifies which type of task queue will be used, can be "array" or
# "linked" (default)
task-queue-type = "linked"
# Allow core threads to time out
allow-core-timeout = on
}
# How long time the dispatcher will wait for new actors until it shuts down
shutdown-timeout = 1s
# Throughput defines the number of messages that are processed in a batch
# before the thread is returned to the pool. Set to 1 for as fair as possible.
throughput = 5
# Throughput deadline for Dispatcher, set to 0 or negative for no deadline
throughput-deadline-time = 0ms
# For BalancingDispatcher: If the balancing dispatcher should attempt to
# schedule idle actors using the same dispatcher when a message comes in,
# and the dispatchers ExecutorService is not fully busy already.
attempt-teamwork = on
# If this dispatcher requires a specific type of mailbox, specify the
# fully-qualified class name here; the actually created mailbox will
# be a subtype of this type. The empty string signifies no requirement.
mailbox-requirement = ""
}
default-mailbox {
# FQCN of the MailboxType. The Class of the FQCN must have a public
# constructor with
# (akka.actor.ActorSystem.Settings, com.typesafe.config.Config) parameters.
mailbox-type = "akka.dispatch.UnboundedMailbox"
# If the mailbox is bounded then it uses this setting to determine its
# capacity. The provided value must be positive.
# NOTICE:
# Up to version 2.1 the mailbox type was determined based on this setting;
# this is no longer the case, the type must explicitly be a bounded mailbox.
mailbox-capacity = 1000
# If the mailbox is bounded then this is the timeout for enqueueing
# in case the mailbox is full. Negative values signify infinite
# timeout, which should be avoided as it bears the risk of dead-lock.
mailbox-push-timeout-time = 10s
# For Actor with Stash: The default capacity of the stash.
# If negative (or zero) then an unbounded stash is used (default)
# If positive then a bounded stash is used and the capacity is set using
# the property
stash-capacity = -1
}
mailbox {
# Mapping between message queue semantics and mailbox configurations.
# Used by akka.dispatch.RequiresMessageQueue[T] to enforce different
# mailbox types on actors.
# If your Actor implements RequiresMessageQueue[T], then when you create
# an instance of that actor its mailbox type will be decided by looking
# up a mailbox configuration via T in this mapping
requirements {
"akka.dispatch.UnboundedMessageQueueSemantics" =
akka.actor.mailbox.unbounded-queue-based
"akka.dispatch.BoundedMessageQueueSemantics" =
akka.actor.mailbox.bounded-queue-based
"akka.dispatch.DequeBasedMessageQueueSemantics" =
akka.actor.mailbox.unbounded-deque-based
"akka.dispatch.UnboundedDequeBasedMessageQueueSemantics" =
akka.actor.mailbox.unbounded-deque-based
"akka.dispatch.BoundedDequeBasedMessageQueueSemantics" =
akka.actor.mailbox.bounded-deque-based
"akka.dispatch.MultipleConsumerSemantics" =
akka.actor.mailbox.unbounded-queue-based
}
unbounded-queue-based {
# FQCN of the MailboxType, The Class of the FQCN must have a public
# constructor with (akka.actor.ActorSystem.Settings,
# com.typesafe.config.Config) parameters.
mailbox-type = "akka.dispatch.UnboundedMailbox"
}
bounded-queue-based {
# FQCN of the MailboxType, The Class of the FQCN must have a public
# constructor with (akka.actor.ActorSystem.Settings,
# com.typesafe.config.Config) parameters.
mailbox-type = "akka.dispatch.BoundedMailbox"
}
unbounded-deque-based {
# FQCN of the MailboxType, The Class of the FQCN must have a public
# constructor with (akka.actor.ActorSystem.Settings,
# com.typesafe.config.Config) parameters.
mailbox-type = "akka.dispatch.UnboundedDequeBasedMailbox"
}
bounded-deque-based {
# FQCN of the MailboxType, The Class of the FQCN must have a public
# constructor with (akka.actor.ActorSystem.Settings,
# com.typesafe.config.Config) parameters.
mailbox-type = "akka.dispatch.BoundedDequeBasedMailbox"
}
}
debug {
# enable function of Actor.loggable(), which is to log any received message
# at DEBUG level, see the “Testing Actor Systems” section of the Akka
# Documentation at http://akka.io/docs
receive = off
# enable DEBUG logging of all AutoReceiveMessages (Kill, PoisonPill et.c.)
autoreceive = off
# enable DEBUG logging of actor lifecycle changes
lifecycle = off
# enable DEBUG logging of all LoggingFSMs for events, transitions and timers
fsm = off
# enable DEBUG logging of subscription changes on the eventStream
event-stream = off
# enable DEBUG logging of unhandled messages
unhandled = off
# enable WARN logging of misconfigured routers
router-misconfiguration = off
}
# Entries for pluggable serializers and their bindings.
serializers {
java = "akka.serialization.JavaSerializer"
bytes = "akka.serialization.ByteArraySerializer"
}
# Class to Serializer binding. You only need to specify the name of an
# interface or abstract base class of the messages. In case of ambiguity it
# is using the most specific configured class, or giving a warning and
# choosing the “first” one.
#
# To disable one of the default serializers, assign its class to "none", like
# "java.io.Serializable" = none
serialization-bindings {
"[B" = bytes
"java.io.Serializable" = java
}
# Configuration items which are used by the akka.actor.ActorDSL._ methods
dsl {
# Maximum queue size of the actor created by newInbox(); this protects
# against faulty programs which use select() and consistently miss messages
inbox-size = 1000
# Default timeout to assume for operations like Inbox.receive et al
default-timeout = 5s
}
}
# Used to set the behavior of the scheduler.
# Changing the default values may change the system behavior drastically so make
# sure you know what you're doing! See the Scheduler section of the Akka
# Documentation for more details.
scheduler {
# The LightArrayRevolverScheduler is used as the default scheduler in the
# system. It does not execute the scheduled tasks on exact time, but on every
# tick, it will run everything that is (over)due. You can increase or decrease
# the accuracy of the execution timing by specifying smaller or larger tick
# duration. If you are scheduling a lot of tasks you should consider increasing
# the ticks per wheel.
# Note that it might take up to 1 tick to stop the Timer, so setting the
# tick-duration to a high value will make shutting down the actor system
# take longer.
tick-duration = 10ms
# The timer uses a circular wheel of buckets to store the timer tasks.
# This should be set such that the majority of scheduled timeouts (for high
# scheduling frequency) will be shorter than one rotation of the wheel
# (ticks-per-wheel * ticks-duration)
# THIS MUST BE A POWER OF TWO!
ticks-per-wheel = 512
# This setting selects the timer implementation which shall be loaded at
# system start-up.
# The class given here must implement the akka.actor.Scheduler interface
# and offer a public constructor which takes three arguments:
# 1) com.typesafe.config.Config
# 2) akka.event.LoggingAdapter
# 3) java.util.concurrent.ThreadFactory
implementation = akka.actor.LightArrayRevolverScheduler
# When shutting down the scheduler, there will typically be a thread which
# needs to be stopped, and this timeout determines how long to wait for
# that to happen. In case of timeout the shutdown of the actor system will
# proceed without running possibly still enqueued tasks.
shutdown-timeout = 5s
}
io {
# By default the select loops run on dedicated threads, hence using a
# PinnedDispatcher
pinned-dispatcher {
type = "PinnedDispatcher"
executor = "thread-pool-executor"
thread-pool-executor.allow-core-timeout = off
}
tcp {
# The number of selectors to stripe the served channels over; each of
# these will use one select loop on the selector-dispatcher.
nr-of-selectors = 1
# Maximum number of open channels supported by this TCP module; there is
# no intrinsic general limit, this setting is meant to enable DoS
# protection by limiting the number of concurrently connected clients.
# Also note that this is a "soft" limit; in certain cases the implementation
# will accept a few connections more or a few less than the number configured
# here. Must be an integer > 0 or "unlimited".
max-channels = 256000
# When trying to assign a new connection to a selector and the chosen
# selector is at full capacity, retry selector choosing and assignment
# this many times before giving up
selector-association-retries = 10
# The maximum number of connection that are accepted in one go,
# higher numbers decrease latency, lower numbers increase fairness on
# the worker-dispatcher
batch-accept-limit = 10
# The number of bytes per direct buffer in the pool used to read or write
# network data from the kernel.
direct-buffer-size = 128 KiB
# The maximal number of direct buffers kept in the direct buffer pool for
# reuse.
direct-buffer-pool-limit = 1000
# The duration a connection actor waits for a `Register` message from
# its commander before aborting the connection.
register-timeout = 5s
# The maximum number of bytes delivered by a `Received` message. Before
# more data is read from the network the connection actor will try to
# do other work.
# The purpose of this setting is to impose a smaller limit than the
# configured receive buffer size. When using value 'unlimited' it will
# try to read all from the receive buffer.
max-received-message-size = unlimited
# Enable fine grained logging of what goes on inside the implementation.
# Be aware that this may log more than once per message sent to the actors
# of the tcp implementation.
trace-logging = off
# Fully qualified config path which holds the dispatcher configuration
# to be used for running the select() calls in the selectors
selector-dispatcher = "akka.io.pinned-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the read/write worker actors
worker-dispatcher = "akka.actor.default-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the selector management actors
management-dispatcher = "akka.actor.default-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# on which file IO tasks are scheduled
file-io-dispatcher = "akka.actor.default-dispatcher"
# The maximum number of bytes (or "unlimited") to transfer in one batch
# when using `WriteFile` command which uses `FileChannel.transferTo` to
# pipe files to a TCP socket. On some OS like Linux `FileChannel.transferTo`
# may block for a long time when network IO is faster than file IO.
# Decreasing the value may improve fairness while increasing may improve
# throughput.
file-io-transferTo-limit = 512 KiB
# The number of times to retry the `finishConnect` call after being notified about
# OP_CONNECT. Retries are needed if the OP_CONNECT notification doesn't imply that
# `finishConnect` will succeed, which is the case on Android.
finish-connect-retries = 5
# On Windows connection aborts are not reliably detected unless an OP_READ is
# registered on the selector _after_ the connection has been reset. This
# workaround enables an OP_CONNECT which forces the abort to be visible on Windows.
# Enabling this setting on other platforms than Windows will cause various failures
# and undefined behavior.
# Possible values of this key are on, off and auto where auto will enable the
# workaround if Windows is detected automatically.
windows-connection-abort-workaround-enabled = off
}
udp {
# The number of selectors to stripe the served channels over; each of
# these will use one select loop on the selector-dispatcher.
nr-of-selectors = 1
# Maximum number of open channels supported by this UDP module Generally
# UDP does not require a large number of channels, therefore it is
# recommended to keep this setting low.
max-channels = 4096
# The select loop can be used in two modes:
# - setting "infinite" will select without a timeout, hogging a thread
# - setting a positive timeout will do a bounded select call,
# enabling sharing of a single thread between multiple selectors
# (in this case you will have to use a different configuration for the
# selector-dispatcher, e.g. using "type=Dispatcher" with size 1)
# - setting it to zero means polling, i.e. calling selectNow()
select-timeout = infinite
# When trying to assign a new connection to a selector and the chosen
# selector is at full capacity, retry selector choosing and assignment
# this many times before giving up
selector-association-retries = 10
# The maximum number of datagrams that are read in one go,
# higher numbers decrease latency, lower numbers increase fairness on
# the worker-dispatcher
receive-throughput = 3
# The number of bytes per direct buffer in the pool used to read or write
# network data from the kernel.
direct-buffer-size = 128 KiB
# The maximal number of direct buffers kept in the direct buffer pool for
# reuse.
direct-buffer-pool-limit = 1000
# The maximum number of bytes delivered by a `Received` message. Before
# more data is read from the network the connection actor will try to
# do other work.
received-message-size-limit = unlimited
# Enable fine grained logging of what goes on inside the implementation.
# Be aware that this may log more than once per message sent to the actors
# of the tcp implementation.
trace-logging = off
# Fully qualified config path which holds the dispatcher configuration
# to be used for running the select() calls in the selectors
selector-dispatcher = "akka.io.pinned-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the read/write worker actors
worker-dispatcher = "akka.actor.default-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the selector management actors
management-dispatcher = "akka.actor.default-dispatcher"
}
udp-connected {
# The number of selectors to stripe the served channels over; each of
# these will use one select loop on the selector-dispatcher.
nr-of-selectors = 1
# Maximum number of open channels supported by this UDP module Generally
# UDP does not require a large number of channels, therefore it is
# recommended to keep this setting low.
max-channels = 4096
# The select loop can be used in two modes:
# - setting "infinite" will select without a timeout, hogging a thread
# - setting a positive timeout will do a bounded select call,
# enabling sharing of a single thread between multiple selectors
# (in this case you will have to use a different configuration for the
# selector-dispatcher, e.g. using "type=Dispatcher" with size 1)
# - setting it to zero means polling, i.e. calling selectNow()
select-timeout = infinite
# When trying to assign a new connection to a selector and the chosen
# selector is at full capacity, retry selector choosing and assignment
# this many times before giving up
selector-association-retries = 10
# The maximum number of datagrams that are read in one go,
# higher numbers decrease latency, lower numbers increase fairness on
# the worker-dispatcher
receive-throughput = 3
# The number of bytes per direct buffer in the pool used to read or write
# network data from the kernel.
direct-buffer-size = 128 KiB
# The maximal number of direct buffers kept in the direct buffer pool for
# reuse.
direct-buffer-pool-limit = 1000
# The maximum number of bytes delivered by a `Received` message. Before
# more data is read from the network the connection actor will try to
# do other work.
received-message-size-limit = unlimited
# Enable fine grained logging of what goes on inside the implementation.
# Be aware that this may log more than once per message sent to the actors
# of the tcp implementation.
trace-logging = off
# Fully qualified config path which holds the dispatcher configuration
# to be used for running the select() calls in the selectors
selector-dispatcher = "akka.io.pinned-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the read/write worker actors
worker-dispatcher = "akka.actor.default-dispatcher"
# Fully qualified config path which holds the dispatcher configuration
# for the selector management actors
management-dispatcher = "akka.actor.default-dispatcher"
}
}
######################################
# 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.
cluster {
# Initial contact points of the cluster.
# The nodes to join automatically at startup.
# Comma separated full URIs defined by a string on the form of
# "akka.tcp://system@hostname:port"
# Leave as empty if the node is supposed to be joined manually.
seed-nodes = []
# how long to wait for one of the seed nodes to reply to initial join request
seed-node-timeout = 5s
# If a join request fails it will be retried after this period.
# Disable join retry by specifying "off".
retry-unsuccessful-join-after = 10s
# Should the 'leader' in the cluster be allowed to automatically mark
# unreachable nodes as DOWN after a configured time of unreachability?
# Using auto-down implies that two separate clusters will automatically be
# formed in case of network partition.
# Disable with "off" or specify a duration to enable auto-down.
auto-down-unreachable-after = off
# deprecated in 2.3, use 'auto-down-unreachable-after' instead
auto-down = off
# The roles of this member. List of strings, e.g. roles = ["A", "B"].
# The roles are part of the membership information and can be used by
# routers or other services to distribute work to certain member types,
# e.g. front-end and back-end nodes.
roles = []
role {
# Minimum required number of members of a certain role before the leader
# changes member status of 'Joining' members to 'Up'. Typically used together
# with 'Cluster.registerOnMemberUp' to defer some action, such as starting
# actors, until the cluster has reached a certain size.
# E.g. to require 2 nodes with role 'frontend' and 3 nodes with role 'backend':
# frontend.min-nr-of-members = 2
# backend.min-nr-of-members = 3
#.min-nr-of-members = 1
}
# Minimum required number of members before the leader changes member status
# of 'Joining' members to 'Up'. Typically used together with
# 'Cluster.registerOnMemberUp' to defer some action, such as starting actors,
# until the cluster has reached a certain size.
min-nr-of-members = 1
# Enable/disable info level logging of cluster events
log-info = on
# 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
# discard incoming gossip messages if not handled within this duration
gossip-time-to-live = 2s
# 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 0s can be used to always publish the stats, when it happens.
# Disable with "off".
publish-stats-interval = off
# 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
# Reduced the above probability when the number of nodes in the cluster
# greater than this value.
reduce-gossip-different-view-probability = 400
# Settings for the Phi accrual failure detector (http://ddg.jaist.ac.jp/pub/HDY+04.pdf
# [Hayashibara et al]) used by the cluster subsystem to detect unreachable
# members.
failure-detector {
# FQCN of the failure detector implementation.
# It must implement akka.remote.FailureDetector and have
# a public constructor with a com.typesafe.config.Config and
# akka.actor.EventStream parameter.
implementation-class = "akka.remote.PhiAccrualFailureDetector"
# How often keep-alive heartbeat messages should be sent to each connection.
heartbeat-interval = 1 s
# 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
# Number of the samples of inter-heartbeat arrival times to adaptively
# calculate the failure timeout for connections.
max-sample-size = 1000
# 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.
# 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 = 3 s
# 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
# After the heartbeat request has been sent the first failure detection
# will start after this period, even though no heartbeat mesage has
# been received.
expected-response-after = 5 s
}
metrics {
# Enable or disable metrics collector for load-balancing nodes.
enabled = on
# FQCN of the metrics collector implementation.
# It must implement akka.cluster.MetricsCollector and
# have public constructor with akka.actor.ActorSystem parameter.
# The default SigarMetricsCollector uses JMX and Hyperic SIGAR, if SIGAR
# is on the classpath, otherwise only JMX.
collector-class = "akka.cluster.SigarMetricsCollector"
# How often metrics are sampled on a node.
# Shorter interval will collect the metrics more often.
collect-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. Set lower to increase the bias toward newer values.
# The relevance of each data sample is halved for every passing half-life
# duration, i.e. after 4 times the half-life, a data sample’s relevance is
# reduced to 6% of its original relevance. The initial relevance of a data
# sample is given by 1 – 0.5 ^ (collect-interval / half-life).
# See http://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
moving-average-half-life = 12s
}
# 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.
scheduler {
tick-duration = 33ms
ticks-per-wheel = 512
}
}
# Default configuration for routers
actor.deployment.default {
# MetricsSelector to use
# - available: "mix", "heap", "cpu", "load"
# - or: Fully qualified class name of the MetricsSelector class.
# The class must extend akka.cluster.routing.MetricsSelector
# and have a public constructor with com.typesafe.config.Config
# parameter.
# - default is "mix"
metrics-selector = mix
}
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
# Deprecated in 2.3, use routees.paths instead
routees-path = ""
# Use members with specified role, or all members if undefined or empty.
use-role = ""
}
# Protobuf serializer for cluster messages
actor {
serializers {
akka-cluster = "akka.cluster.protobuf.ClusterMessageSerializer"
}
serialization-bindings {
"akka.cluster.ClusterMessage" = akka-cluster
}
router.type-mapping {
adaptive-pool = "akka.cluster.routing.AdaptiveLoadBalancingPool"
adaptive-group = "akka.cluster.routing.AdaptiveLoadBalancingGroup"
}
}
######################################
# Akka Contrib Reference Config File #
######################################
# This is the reference config file that contains all the default settings.
# Make your edits/overrides in your application.conf.
# //#pub-sub-ext-config
# Settings for the DistributedPubSubExtension
akka.contrib.cluster.pub-sub {
# Actor name of the mediator actor, /user/distributedPubSubMediator
name = distributedPubSubMediator
# Start the mediator on members tagged with this role.
# All members are used if undefined or empty.
role = ""
# The routing logic to use for 'Send'
# Possible values: random, round-robin, broadcast
routing-logic = random
# How often the DistributedPubSubMediator should send out gossip information
gossip-interval = 1s
# Removed entries are pruned after this duration
removed-time-to-live = 120s
# Maximum number of elements to transfer in one message when synchronizing the registries.
# Next chunk will be transferred in next round of gossip.
max-delta-elements = 3000
}
# //#pub-sub-ext-config
# Protobuf serializer for cluster DistributedPubSubMeditor messages
akka.actor {
serializers {
akka-pubsub = "akka.contrib.pattern.protobuf.DistributedPubSubMessageSerializer"
}
serialization-bindings {
"akka.contrib.pattern.DistributedPubSubMessage" = akka-pubsub
}
}
# //#receptionist-ext-config
# Settings for the ClusterReceptionistExtension
akka.contrib.cluster.receptionist {
# Actor name of the ClusterReceptionist actor, /user/receptionist
name = receptionist
# Start the receptionist on members tagged with this role.
# All members are used if undefined or empty.
role = ""
# The receptionist will send this number of contact points to the client
number-of-contacts = 3
# The actor that tunnel response messages to the client will be stopped
# after this time of inactivity.
response-tunnel-receive-timeout = 30s
}
# //#receptionist-ext-config
# //#cluster-client-mailbox-config
akka.contrib.cluster.client {
mailbox {
mailbox-type = "akka.dispatch.UnboundedDequeBasedMailbox"
stash-capacity = 1000
}
}
# //#cluster-client-mailbox-config
# //#sharding-ext-config
# Settings for the ClusterShardingExtension
akka.contrib.cluster.sharding {
# The extension creates a top level actor with this name in top level user scope,
# e.g. '/user/sharding'
guardian-name = sharding
# If the coordinator can't store state changes it will be stopped
# and started again after this duration.
coordinator-failure-backoff = 10 s
# Start the coordinator singleton manager on members tagged with this role.
# All members are used if undefined or empty.
# ShardRegion actor is started in proxy only mode on nodes that are not tagged
# with this role.
role = ""
# The ShardRegion retries registration and shard location requests to the
# ShardCoordinator with this interval if it does not reply.
retry-interval = 2 s
# Maximum number of messages that are buffered by a ShardRegion actor.
buffer-size = 100000
# Timeout of the shard rebalancing process.
handoff-timeout = 60 s
# Rebalance check is performed periodically with this interval.
rebalance-interval = 10 s
# How often the coordinator saves persistent snapshots, which are
# used to reduce recovery times
snapshot-interval = 3600 s
# Setting for the default shard allocation strategy
least-shard-allocation-strategy {
# Threshold of how large the difference between most and least number of
# allocated shards must be to begin the rebalancing.
rebalance-threshold = 10
# The number of ongoing rebalancing processes is limited to this number.
max-simultaneous-rebalance = 3
}
}
# //#sharding-ext-config
#####################################
# Akka Remote Reference Config File #
#####################################
# This is the reference config file that contains all the default settings.
# Make your edits/overrides in your application.conf.
# comments about akka.actor settings left out where they are already in akka-
# actor.jar, because otherwise they would be repeated in config rendering.
actor {
serializers {
akka-containers = "akka.remote.serialization.MessageContainerSerializer"
proto = "akka.remote.serialization.ProtobufSerializer"
daemon-create = "akka.remote.serialization.DaemonMsgCreateSerializer"
}
serialization-bindings {
# Since com.google.protobuf.Message does not extend Serializable but
# GeneratedMessage does, need to use the more specific one here in order
# to avoid ambiguity
"akka.actor.ActorSelectionMessage" = akka-containers
"com.google.protobuf.GeneratedMessage" = proto
"akka.remote.DaemonMsgCreate" = daemon-create
}
deployment {
default {
# if this is set to a valid remote address, the named actor will be
# deployed at that node e.g. "akka.tcp://sys@host:port"
remote = ""
target {
# A list of hostnames and ports for instantiating the children of a
# router
# The format should be on "akka.tcp://sys@host:port", where:
# - sys is the remote actor system name
# - hostname can be either hostname or IP address the remote actor
# should connect to
# - port should be the port for the remote server on the other node
# The number of actor instances to be spawned is still taken from the
# nr-of-instances setting as for local routers; the instances will be
# distributed round-robin among the given nodes.
nodes = []
}
}
}
}
remote {
### General settings
# Timeout after which the startup of the remoting subsystem is considered
# to be failed. Increase this value if your transport drivers (see the
# enabled-transports section) need longer time to be loaded.
startup-timeout = 10 s
# Timout after which the graceful shutdown of the remoting subsystem is
# considered to be failed. After the timeout the remoting system is
# forcefully shut down. Increase this value if your transport drivers
# (see the enabled-transports section) need longer time to stop properly.
shutdown-timeout = 10 s
# Before shutting down the drivers, the remoting subsystem attempts to flush
# all pending writes. This setting controls the maximum time the remoting is
# willing to wait before moving on to shut down the drivers.
flush-wait-on-shutdown = 2 s
# Reuse inbound connections for outbound messages
use-passive-connections = on
# Controls the backoff interval after a refused write is reattempted.
# (Transports may refuse writes if their internal buffer is full)
backoff-interval = 5 ms
# Acknowledgment timeout of management commands sent to the transport stack.
command-ack-timeout = 30 s
# If set to a nonempty string remoting will use the given dispatcher for
# its internal actors otherwise the default dispatcher is used. Please note
# that since remoting can load arbitrary 3rd party drivers (see
# "enabled-transport" and "adapters" entries) it is not guaranteed that
# every module will respect this setting.
use-dispatcher = "akka.remote.default-remote-dispatcher"
### Security settings
# Enable untrusted mode for full security of server managed actors, prevents
# system messages to be send by clients, e.g. messages like 'Create',
# 'Suspend', 'Resume', 'Terminate', 'Supervise', 'Link' etc.
untrusted-mode = off
# When 'untrusted-mode=on' inbound actor selections are by default discarded.
# Actors with paths defined in this white list are granted permission to receive actor
# selections messages.
# E.g. trusted-selection-paths = ["/user/receptionist", "/user/namingService"]
trusted-selection-paths = []
# Should the remote server require that its peers share the same
# secure-cookie (defined in the 'remote' section)? Secure cookies are passed
# between during the initial handshake. Connections are refused if the initial
# message contains a mismatching cookie or the cookie is missing.
require-cookie = off
# Generate your own with the script availbale in
# '$AKKA_HOME/scripts/generate_config_with_secure_cookie.sh' or using
# 'akka.util.Crypt.generateSecureCookie'
secure-cookie = ""
### Logging
# If this is "on", Akka will log all inbound messages at DEBUG level,
# if off then they are not logged
log-received-messages = off
# If this is "on", Akka will log all outbound messages at DEBUG level,
# if off then they are not logged
log-sent-messages = off
# Sets the log granularity level at which Akka logs remoting events. This setting
# can take the values OFF, ERROR, WARNING, INFO, DEBUG, or ON. For compatibility
# reasons the setting "on" will default to "debug" level. Please note that the effective
# logging level is still determined by the global logging level of the actor system:
# for example debug level remoting events will be only logged if the system
# is running with debug level logging.
# Failures to deserialize received messages also fall under this flag.
log-remote-lifecycle-events = on
# Logging of message types with payload size in bytes larger than
# this value. Maximum detected size per message type is logged once,
# with an increase threshold of 10%.
# By default this feature is turned off. Activate it by setting the property to
# a value in bytes, such as 1000b. Note that for all messages larger than this
# limit there will be extra performance and scalability cost.
log-frame-size-exceeding = off
# Log warning if the number of messages in the backoff buffer in the endpoint
# writer exceeds this limit. It can be disabled by setting the value to off.
log-buffer-size-exceeding = 50000
### Failure detection and recovery
# Settings for the failure detector to monitor connections.
# For TCP it is not important to have fast failure detection, since
# most connection failures are captured by TCP itself.
transport-failure-detector {
# FQCN of the failure detector implementation.
# It must implement akka.remote.FailureDetector and have
# a public constructor with a com.typesafe.config.Config and
# akka.actor.EventStream parameter.
implementation-class = "akka.remote.DeadlineFailureDetector"
# How often keep-alive heartbeat messages should be sent to each connection.
heartbeat-interval = 4 s
# Number of potentially lost/delayed heartbeats that will be
# accepted before considering it to be an anomaly.
# A margin to the `heartbeat-interval` 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 = 20 s
}
# Settings for the Phi accrual failure detector (http://ddg.jaist.ac.jp/pub/HDY+04.pdf
# [Hayashibara et al]) used for remote death watch.
watch-failure-detector {
# FQCN of the failure detector implementation.
# It must implement akka.remote.FailureDetector and have
# a public constructor with a com.typesafe.config.Config and
# akka.actor.EventStream parameter.
implementation-class = "akka.remote.PhiAccrualFailureDetector"
# How often keep-alive heartbeat messages should be sent to each connection.
heartbeat-interval = 1 s
# 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 = 10.0
# Number of the samples of inter-heartbeat arrival times to adaptively
# calculate the failure timeout for connections.
max-sample-size = 200
# 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.
# 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 = 10 s
# How often to check for nodes marked as unreachable by the failure
# detector
unreachable-nodes-reaper-interval = 1s
# After the heartbeat request has been sent the first failure detection
# will start after this period, even though no heartbeat mesage has
# been received.
expected-response-after = 3 s
}
# After failed to establish an outbound connection, the remoting will mark the
# address as failed. This configuration option controls how much time should
# be elapsed before reattempting a new connection. While the address is
# gated, all messages sent to the address are delivered to dead-letters.
# Since this setting limits the rate of reconnects setting it to a
# very short interval (i.e. less than a second) may result in a storm of
# reconnect attempts.
retry-gate-closed-for = 5 s
# After catastrophic communication failures that result in the loss of system
# messages or after the remote DeathWatch triggers the remote system gets
# quarantined to prevent inconsistent behavior.
# This setting controls how long the Quarantine marker will be kept around
# before being removed to avoid long-term memory leaks.
# WARNING: DO NOT change this to a small value to re-enable communication with
# quarantined nodes. Such feature is not supported and any behavior between
# the affected systems after lifting the quarantine is undefined.
prune-quarantine-marker-after = 5 d
# This setting defines the maximum number of unacknowledged system messages
# allowed for a remote system. If this limit is reached the remote system is
# declared to be dead and its UID marked as tainted.
system-message-buffer-size = 1000
# This setting defines the maximum idle time after an individual
# acknowledgement for system messages is sent. System message delivery
# is guaranteed by explicit acknowledgement messages. These acks are
# piggybacked on ordinary traffic messages. If no traffic is detected
# during the time period configured here, the remoting will send out
# an individual ack.
system-message-ack-piggyback-timeout = 0.3 s
# This setting defines the time after internal management signals
# between actors (used for DeathWatch and supervision) that have not been
# explicitly acknowledged or negatively acknowledged are resent.
# Messages that were negatively acknowledged are always immediately
# resent.
resend-interval = 2 s
# WARNING: this setting should not be not changed unless all of its consequences
# are properly understood which assumes experience with remoting internals
# or expert advice.
# This setting defines the time after redelivery attempts of internal management
# signals are stopped to a remote system that has been not confirmed to be alive by
# this system before.
initial-system-message-delivery-timeout = 3 m
### Transports and adapters
# List of the transport drivers that will be loaded by the remoting.
# A list of fully qualified config paths must be provided where
# the given configuration path contains a transport-class key
# pointing to an implementation class of the Transport interface.
# If multiple transports are provided, the address of the first
# one will be used as a default address.
enabled-transports = ["akka.remote.netty.tcp"]
# Transport drivers can be augmented with adapters by adding their
# name to the applied-adapters setting in the configuration of a
# transport. The available adapters should be configured in this
# section by providing a name, and the fully qualified name of
# their corresponding implementation. The class given here
# must implement akka.akka.remote.transport.TransportAdapterProvider
# and have public constructor without parameters.
adapters {
gremlin = "akka.remote.transport.FailureInjectorProvider"
trttl = "akka.remote.transport.ThrottlerProvider"
}
### Default configuration for the Netty based transport drivers
netty.tcp {
# The class given here must implement the akka.remote.transport.Transport
# interface and offer a public constructor which takes two arguments:
# 1) akka.actor.ExtendedActorSystem
# 2) com.typesafe.config.Config
transport-class = "akka.remote.transport.netty.NettyTransport"
# Transport drivers can be augmented with adapters by adding their
# name to the applied-adapters list. The last adapter in the
# list is the adapter immediately above the driver, while
# the first one is the top of the stack below the standard
# Akka protocol
applied-adapters = []
transport-protocol = tcp
# The default remote server port clients should connect to.
# Default is 2552 (AKKA), use 0 if you want a random available port
# This port needs to be unique for each actor system on the same machine.
port = 2552
# The hostname or ip to bind the remoting to,
# InetAddress.getLocalHost.getHostAddress is used if empty
hostname = ""
# Enables SSL support on this transport
enable-ssl = false
# Sets the connectTimeoutMillis of all outbound connections,
# i.e. how long a connect may take until it is timed out
connection-timeout = 15 s
# If set to "" then the specified dispatcher
# will be used to accept inbound connections, and perform IO. If "" then
# dedicated threads will be used.
# Please note that the Netty driver only uses this configuration and does
# not read the "akka.remote.use-dispatcher" entry. Instead it has to be
# configured manually to point to the same dispatcher if needed.
use-dispatcher-for-io = ""
# Sets the high water mark for the in and outbound sockets,
# set to 0b for platform default
write-buffer-high-water-mark = 0b
# Sets the low water mark for the in and outbound sockets,
# set to 0b for platform default
write-buffer-low-water-mark = 0b
# Sets the send buffer size of the Sockets,
# set to 0b for platform default
send-buffer-size = 256000b
# Sets the receive buffer size of the Sockets,
# set to 0b for platform default
receive-buffer-size = 256000b
# Maximum message size the transport will accept, but at least
# 32000 bytes.
# Please note that UDP does not support arbitrary large datagrams,
# so this setting has to be chosen carefully when using UDP.
# Both send-buffer-size and receive-buffer-size settings has to
# be adjusted to be able to buffer messages of maximum size.
maximum-frame-size = 128000b
# Sets the size of the connection backlog
backlog = 4096
# Enables the TCP_NODELAY flag, i.e. disables Nagle’s algorithm
tcp-nodelay = on
# Enables TCP Keepalive, subject to the O/S kernel’s configuration
tcp-keepalive = on
# Enables SO_REUSEADDR, which determines when an ActorSystem can open
# the specified listen port (the meaning differs between *nix and Windows)
# Valid values are "on", "off" and "off-for-windows"
# due to the following Windows bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4476378
# "off-for-windows" of course means that it's "on" for all other platforms
tcp-reuse-addr = off-for-windows
# Used to configure the number of I/O worker threads on server sockets
server-socket-worker-pool {
# Min number of threads to cap factor-based number to
pool-size-min = 2
# The pool size factor is used to determine thread pool size
# using the following formula: ceil(available processors * factor).
# Resulting size is then bounded by the pool-size-min and
# pool-size-max values.
pool-size-factor = 1.0
# Max number of threads to cap factor-based number to
pool-size-max = 2
}
# Used to configure the number of I/O worker threads on client sockets
client-socket-worker-pool {
# Min number of threads to cap factor-based number to
pool-size-min = 2
# The pool size factor is used to determine thread pool size
# using the following formula: ceil(available processors * factor).
# Resulting size is then bounded by the pool-size-min and
# pool-size-max values.
pool-size-factor = 1.0
# Max number of threads to cap factor-based number to
pool-size-max = 2
}
}
netty.udp = ${akka.remote.netty.tcp}
netty.udp {
transport-protocol = udp
}
netty.ssl = ${akka.remote.netty.tcp}
netty.ssl = {
# Enable SSL/TLS encryption.
# This must be enabled on both the client and server to work.
enable-ssl = true
security {
# This is the Java Key Store used by the server connection
key-store = "keystore"
# This password is used for decrypting the key store
key-store-password = "changeme"
# This password is used for decrypting the key
key-password = "changeme"
# This is the Java Key Store used by the client connection
trust-store = "truststore"
# This password is used for decrypting the trust store
trust-store-password = "changeme"
# Protocol to use for SSL encryption, choose from:
# Java 6 & 7:
# 'SSLv3', 'TLSv1'
# Java 7:
# 'TLSv1.1', 'TLSv1.2'
protocol = "TLSv1"
# Example: ["TLS_RSA_WITH_AES_128_CBC_SHA", "TLS_RSA_WITH_AES_256_CBC_SHA"]
# You need to install the JCE Unlimited Strength Jurisdiction Policy
# Files to use AES 256.
# More info here:
# http://docs.oracle.com/javase/7/docs/technotes/guides/security/SunProviders.html#SunJCEProvider
enabled-algorithms = ["TLS_RSA_WITH_AES_128_CBC_SHA"]
# There are three options, in increasing order of security:
# "" or SecureRandom => (default)
# "SHA1PRNG" => Can be slow because of blocking issues on Linux
# "AES128CounterSecureRNG" => fastest startup and based on AES encryption
# algorithm
# "AES256CounterSecureRNG"
# The following use one of 3 possible seed sources, depending on
# availability: /dev/random, random.org and SecureRandom (provided by Java)
# "AES128CounterInetRNG"
# "AES256CounterInetRNG" (Install JCE Unlimited Strength Jurisdiction
# Policy Files first)
# Setting a value here may require you to supply the appropriate cipher
# suite (see enabled-algorithms section above)
random-number-generator = ""
}
}
### Default configuration for the failure injector transport adapter
gremlin {
# Enable debug logging of the failure injector transport adapter
debug = off
}
### Default dispatcher for the remoting subsystem
default-remote-dispatcher {
type = Dispatcher
executor = "fork-join-executor"
fork-join-executor {
# Min number of threads to cap factor-based parallelism number to
parallelism-min = 2
parallelism-max = 2
}
}
backoff-remote-dispatcher {
type = Dispatcher
executor = "fork-join-executor"
fork-join-executor {
# Min number of threads to cap factor-based parallelism number to
parallelism-min = 2
parallelism-max = 2
}
}
}
}
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