Examples with ByteAmount com.twitter.heron.common.basics.ByteAmount used on opensource projects

Example 31 with ByteAmount

use of com.twitter.heron.common.basics.ByteAmount in project incubator-heron by apache.

the class Container method getTotalUsedResources.

/**
 * Computes the used resources of the container by taking into account the resources
 * allocated for each instance.
 *
 * @return a Resource object that describes the used cpu, ram and disk in the container.
 */
private Resource getTotalUsedResources() {
    ByteAmount usedRam = ByteAmount.ZERO;
    double usedCpuCores = 0;
    ByteAmount usedDisk = ByteAmount.ZERO;
    for (PackingPlan.InstancePlan instancePlan : this.instances) {
        Resource resource = instancePlan.getResource();
        usedRam = usedRam.plus(resource.getRam());
        usedCpuCores += resource.getCpu();
        usedDisk = usedDisk.plus(resource.getDisk());
    }
    return new Resource(usedCpuCores, usedRam, usedDisk);
}

Example 32 with ByteAmount

use of com.twitter.heron.common.basics.ByteAmount in project incubator-heron by apache.

the class FirstFitDecreasingPacking method setPackingConfigs.

/**
 * Instatiate the packing algorithm parameters related to this topology.
 */
private void setPackingConfigs(Config config) {
    List<TopologyAPI.Config.KeyValue> topologyConfig = topology.getTopologyConfig().getKvsList();
    this.defaultInstanceResources = new Resource(Context.instanceCpu(config), Context.instanceRam(config), Context.instanceDisk(config));
    this.paddingPercentage = TopologyUtils.getConfigWithDefault(topologyConfig, TOPOLOGY_CONTAINER_PADDING_PERCENTAGE, DEFAULT_CONTAINER_PADDING_PERCENTAGE);
    double defaultCpu = this.defaultInstanceResources.getCpu() * DEFAULT_NUMBER_INSTANCES_PER_CONTAINER;
    ByteAmount defaultRam = this.defaultInstanceResources.getRam().multiply(DEFAULT_NUMBER_INSTANCES_PER_CONTAINER);
    ByteAmount defaultDisk = this.defaultInstanceResources.getDisk().multiply(DEFAULT_NUMBER_INSTANCES_PER_CONTAINER);
    this.maxContainerResources = new Resource(TopologyUtils.getConfigWithDefault(topologyConfig, TOPOLOGY_CONTAINER_MAX_CPU_HINT, (double) Math.round(PackingUtils.increaseBy(defaultCpu, paddingPercentage))), TopologyUtils.getConfigWithDefault(topologyConfig, TOPOLOGY_CONTAINER_MAX_RAM_HINT, defaultRam.increaseBy(paddingPercentage)), TopologyUtils.getConfigWithDefault(topologyConfig, TOPOLOGY_CONTAINER_MAX_DISK_HINT, defaultDisk.increaseBy(paddingPercentage)));
}

Example 33 with ByteAmount

use of com.twitter.heron.common.basics.ByteAmount in project incubator-heron by apache.

the class FirstFitDecreasingPacking method getSortedRAMInstances.

/**
 * Sort the components in decreasing order based on their RAM requirements
 *
 * @return The sorted list of components and their RAM requirements
 */
private ArrayList<RamRequirement> getSortedRAMInstances(Set<String> componentNames) {
    ArrayList<RamRequirement> ramRequirements = new ArrayList<>();
    Map<String, ByteAmount> ramMap = TopologyUtils.getComponentRamMapConfig(topology);
    for (String componentName : componentNames) {
        Resource requiredResource = PackingUtils.getResourceRequirement(componentName, ramMap, this.defaultInstanceResources, this.maxContainerResources, this.paddingPercentage);
        ramRequirements.add(new RamRequirement(componentName, requiredResource.getRam()));
    }
    Collections.sort(ramRequirements, Collections.reverseOrder());
    return ramRequirements;
}

Example 34 with ByteAmount

use of com.twitter.heron.common.basics.ByteAmount in project incubator-heron by apache.

the class FirstFitDecreasingPackingTest method testDefaultContainerSizeWithPadding.

/**
 * Test the scenario where the max container size is the default but padding is configured
 */
@Test
public void testDefaultContainerSizeWithPadding() throws Exception {
    int padding = 50;
    int defaultNumInstancesperContainer = 4;
    topologyConfig.setContainerPaddingPercentage(padding);
    TopologyAPI.Topology newTopology = getTopology(spoutParallelism, boltParallelism, topologyConfig);
    PackingPlan packingPlan = pack(newTopology);
    Assert.assertEquals(2, packingPlan.getContainers().size());
    Assert.assertEquals(totalInstances, packingPlan.getInstanceCount());
    ByteAmount defaultRam = instanceDefaultResources.getRam().multiply(defaultNumInstancesperContainer).increaseBy(padding);
    AssertPacking.assertContainerRam(packingPlan.getContainers(), defaultRam);
    AssertPacking.assertNumInstances(packingPlan.getContainers(), BOLT_NAME, 3);
    AssertPacking.assertNumInstances(packingPlan.getContainers(), SPOUT_NAME, 4);
}

Example 35 with ByteAmount

use of com.twitter.heron.common.basics.ByteAmount in project incubator-heron by apache.

the class FirstFitDecreasingPackingTest method scaleDownAndUpNoPadding.

/**
 * Test the scenario where scaling down and up is simultaneously requested and padding is
 * configured
 */
@Test
public void scaleDownAndUpNoPadding() throws Exception {
    int paddingPercentage = 0;
    topologyConfig.setContainerPaddingPercentage(paddingPercentage);
    ByteAmount spoutRam = ByteAmount.fromGigabytes(4);
    ByteAmount maxContainerRam = ByteAmount.fromGigabytes(12);
    topologyConfig.setContainerMaxRamHint(maxContainerRam);
    topologyConfig.setComponentRam(SPOUT_NAME, spoutRam);
    int noBolts = 3;
    int noSpouts = 1;
    TopologyAPI.Topology topologyExplicitRamMap = getTopology(noSpouts, noBolts, topologyConfig);
    int spoutScalingUp = 1;
    int boltScalingDown = -1;
    Map<String, Integer> componentChanges = new HashMap<>();
    // 2 spouts
    componentChanges.put(SPOUT_NAME, spoutScalingUp);
    // 2 bolts
    componentChanges.put(BOLT_NAME, boltScalingDown);
    int numContainersBeforeRepack = 1;
    PackingPlan newPackingPlan = doScalingTest(topologyExplicitRamMap, componentChanges, instanceDefaultResources.getRam(), noBolts, spoutRam, noSpouts, numContainersBeforeRepack, noSpouts + noBolts);
    Assert.assertEquals(2, newPackingPlan.getContainers().size());
    Assert.assertEquals((Integer) (noSpouts + noBolts + spoutScalingUp + boltScalingDown), newPackingPlan.getInstanceCount());
    AssertPacking.assertNumInstances(newPackingPlan.getContainers(), BOLT_NAME, noBolts + boltScalingDown);
    AssertPacking.assertNumInstances(newPackingPlan.getContainers(), SPOUT_NAME, noSpouts + spoutScalingUp);
}