diff options
Diffstat (limited to 'opendc-faas')
2 files changed, 7 insertions, 5 deletions
diff --git a/opendc-faas/opendc-faas-service/src/main/kotlin/org/opendc/faas/service/router/RandomRoutingPolicy.kt b/opendc-faas/opendc-faas-service/src/main/kotlin/org/opendc/faas/service/router/RandomRoutingPolicy.kt index 5bd9d4d3..22bf7266 100644 --- a/opendc-faas/opendc-faas-service/src/main/kotlin/org/opendc/faas/service/router/RandomRoutingPolicy.kt +++ b/opendc-faas/opendc-faas-service/src/main/kotlin/org/opendc/faas/service/router/RandomRoutingPolicy.kt @@ -24,13 +24,15 @@ package org.opendc.faas.service.router import org.opendc.faas.service.FunctionObject import org.opendc.faas.service.deployer.FunctionInstance -import kotlin.random.Random +import java.util.SplittableRandom +import java.util.random.RandomGenerator /** * A [RoutingPolicy] that selects a random function instance. */ -public class RandomRoutingPolicy(private val random: Random = Random(0)) : RoutingPolicy { +public class RandomRoutingPolicy(private val random: RandomGenerator = SplittableRandom(0)) : RoutingPolicy { override fun select(instances: List<FunctionInstance>, function: FunctionObject): FunctionInstance { - return instances.random(random) + val idx = random.nextInt(instances.size) + return instances.elementAt(idx) } } diff --git a/opendc-faas/opendc-faas-simulator/src/main/kotlin/org/opendc/faas/simulator/delay/StochasticDelayInjector.kt b/opendc-faas/opendc-faas-simulator/src/main/kotlin/org/opendc/faas/simulator/delay/StochasticDelayInjector.kt index d3b31bb9..de7b4aa5 100644 --- a/opendc-faas/opendc-faas-simulator/src/main/kotlin/org/opendc/faas/simulator/delay/StochasticDelayInjector.kt +++ b/opendc-faas/opendc-faas-simulator/src/main/kotlin/org/opendc/faas/simulator/delay/StochasticDelayInjector.kt @@ -23,13 +23,13 @@ package org.opendc.faas.simulator.delay import org.opendc.faas.service.deployer.FunctionInstance -import java.util.Random +import java.util.random.RandomGenerator import kotlin.math.abs /* * Interface for instance deployment delay estimation. */ -public class StochasticDelayInjector(private val model: ColdStartModel, private val random: Random) : DelayInjector { +public class StochasticDelayInjector(private val model: ColdStartModel, private val random: RandomGenerator) : DelayInjector { override fun getColdStartDelay(instance: FunctionInstance): Long { val (mean, sd) = model.coldStartParam(instance.function.memorySize.toInt()) return abs(random.nextGaussian() * sd + mean).toLong() |