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Automatic passivation for typed sharding, #25512

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Johan Andrén 2018-11-06 19:15:23 +01:00 • committed by Patrik Nordwall
parent 3ccc67b3d6
commit 133c41375f
8 changed files with 236 additions and 18 deletions
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33
akka-cluster-sharding/src/main/scala/akka/cluster/sharding/ClusterShardingSettings.scala
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@ -12,6 +12,7 @@ import akka.annotation.InternalApi
import com.typesafe.config.Config
import akka.cluster.Cluster
import akka.cluster.singleton.ClusterSingletonManagerSettings
import akka.util.JavaDurationConverters._
object ClusterShardingSettings {
@ -53,12 +54,17 @@ object ClusterShardingSettings {
val coordinatorSingletonSettings = ClusterSingletonManagerSettings(config.getConfig("coordinator-singleton"))
val passivateIdleAfter =
if (config.getString("passivate-idle-entity-after").toLowerCase == "off") Duration.Zero
else config.getDuration("passivate-idle-entity-after", MILLISECONDS).millis
new ClusterShardingSettings(
role = roleOption(config.getString("role")),
rememberEntities = config.getBoolean("remember-entities"),
journalPluginId = config.getString("journal-plugin-id"),
snapshotPluginId = config.getString("snapshot-plugin-id"),
stateStoreMode = config.getString("state-store-mode"),
passivateIdleEntityAfter = passivateIdleAfter,
tuningParameters,
coordinatorSingletonSettings)
}
@ -175,6 +181,7 @@ object ClusterShardingSettings {
100.milliseconds,
5)
}
}
}
@ -191,6 +198,10 @@ object ClusterShardingSettings {
* be used for the internal persistence of ClusterSharding. If not defined the default
* snapshot plugin is used. Note that this is not related to persistence used by the entity
* actors.
* @param passivateIdleEntityAfter Passivate entities that have not received any message in this interval.
* Note that only messages sent through sharding are counted, so direct messages
* to the `ActorRef` of the actor or messages that it sends to itself are not counted as activity.
* Use 0 to disable automatic passivation.
* @param tuningParameters additional tuning parameters, see descriptions in reference.conf
*/
final class ClusterShardingSettings(
@ -199,9 +210,22 @@ final class ClusterShardingSettings(
val journalPluginId: String,
val snapshotPluginId: String,
val stateStoreMode: String,
val passivateIdleEntityAfter: FiniteDuration,
val tuningParameters: ClusterShardingSettings.TuningParameters,
val coordinatorSingletonSettings: ClusterSingletonManagerSettings) extends NoSerializationVerificationNeeded {
// included for binary compatibility reasons
@deprecated("Use the ClusterShardingSettings factory methods or the constructor including passivateIdleEntityAfter instead", "2.5.18")
def this(
role: Option[String],
rememberEntities: Boolean,
journalPluginId: String,
snapshotPluginId: String,
stateStoreMode: String,
tuningParameters: ClusterShardingSettings.TuningParameters,
coordinatorSingletonSettings: ClusterSingletonManagerSettings) =
this(role, rememberEntities, journalPluginId, snapshotPluginId, stateStoreMode, Duration.Zero, tuningParameters, coordinatorSingletonSettings)
import ClusterShardingSettings.{ StateStoreModePersistence, StateStoreModeDData }
require(
stateStoreMode == StateStoreModePersistence || stateStoreMode == StateStoreModeDData,
@ -231,6 +255,12 @@ final class ClusterShardingSettings(
def withStateStoreMode(stateStoreMode: String): ClusterShardingSettings =
copy(stateStoreMode = stateStoreMode)
def withPassivateIdleAfter(duration: FiniteDuration): ClusterShardingSettings =
copy(passivateIdleAfter = duration)
def withPassivateIdleAfter(duration: java.time.Duration): ClusterShardingSettings =
copy(passivateIdleAfter = duration.asScala)
/**
* The `role` of the `ClusterSingletonManagerSettings` is not used. The `role` of the
* coordinator singleton will be the same as the `role` of `ClusterShardingSettings`.
@ -244,14 +274,17 @@ final class ClusterShardingSettings(
journalPluginId: String = journalPluginId,
snapshotPluginId: String = snapshotPluginId,
stateStoreMode: String = stateStoreMode,
passivateIdleAfter: FiniteDuration = passivateIdleEntityAfter,
tuningParameters: ClusterShardingSettings.TuningParameters = tuningParameters,
coordinatorSingletonSettings: ClusterSingletonManagerSettings = coordinatorSingletonSettings): ClusterShardingSettings =
new ClusterShardingSettings(
role,
rememberEntities,
journalPluginId,
snapshotPluginId,
stateStoreMode,
passivateIdleAfter,
tuningParameters,
coordinatorSingletonSettings)
}