Examples with Cluster org.apache.storm.scheduler.Cluster used on opensource projects

Example 16 with Cluster

use of org.apache.storm.scheduler.Cluster in project storm by apache.

the class TestDefaultEvictionStrategy method TestEvictMultipleTopologies.

@Test
public void TestEvictMultipleTopologies() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<String, Number>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 100.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 1000.0);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(4, 4, resourceMap);
    Config config = new Config();
    config.putAll(Utils.readDefaultConfig());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_EVICTION_STRATEGY, org.apache.storm.scheduler.resource.strategies.eviction.DefaultEvictionStrategy.class.getName());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_PRIORITY_STRATEGY, org.apache.storm.scheduler.resource.strategies.priority.DefaultSchedulingPriorityStrategy.class.getName());
    config.put(Config.TOPOLOGY_SCHEDULER_STRATEGY, org.apache.storm.scheduler.resource.strategies.scheduling.DefaultResourceAwareStrategy.class.getName());
    config.put(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT, 100.0);
    config.put(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB, 500);
    config.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, 500);
    Map<String, Map<String, Number>> resourceUserPool = new HashMap<String, Map<String, Number>>();
    resourceUserPool.put("jerry", new HashMap<String, Number>());
    resourceUserPool.get("jerry").put("cpu", 200.0);
    resourceUserPool.get("jerry").put("memory", 2000.0);
    resourceUserPool.put("derek", new HashMap<String, Number>());
    resourceUserPool.get("derek").put("cpu", 100.0);
    resourceUserPool.get("derek").put("memory", 1000.0);
    config.put(Config.RESOURCE_AWARE_SCHEDULER_USER_POOLS, resourceUserPool);
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config);
    config.put(Config.TOPOLOGY_SUBMITTER_USER, "jerry");
    TopologyDetails topo1 = TestUtilsForResourceAwareScheduler.getTopology("topo-1", config, 2, 0, 1, 0, currentTime - 2, 10);
    config.put(Config.TOPOLOGY_SUBMITTER_USER, "bobby");
    TopologyDetails topo2 = TestUtilsForResourceAwareScheduler.getTopology("topo-2", config, 1, 0, 1, 0, currentTime - 2, 10);
    TopologyDetails topo3 = TestUtilsForResourceAwareScheduler.getTopology("topo-3", config, 1, 0, 1, 0, currentTime - 2, 20);
    config.put(Config.TOPOLOGY_SUBMITTER_USER, "derek");
    TopologyDetails topo4 = TestUtilsForResourceAwareScheduler.getTopology("topo-4", config, 1, 0, 1, 0, currentTime - 2, 29);
    TopologyDetails topo5 = TestUtilsForResourceAwareScheduler.getTopology("topo-5", config, 1, 0, 1, 0, currentTime - 2, 29);
    Map<String, TopologyDetails> topoMap = new HashMap<String, TopologyDetails>();
    topoMap.put(topo2.getId(), topo2);
    topoMap.put(topo3.getId(), topo3);
    topoMap.put(topo4.getId(), topo4);
    topoMap.put(topo5.getId(), topo5);
    Topologies topologies = new Topologies(topoMap);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    rs.prepare(config);
    rs.schedule(topologies, cluster);
    for (TopologyDetails topo : rs.getUser("derek").getTopologiesRunning()) {
        Assert.assertTrue("assert topology success", TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId())));
    }
    Assert.assertEquals("# of running topologies", 2, rs.getUser("derek").getTopologiesRunning().size());
    Assert.assertEquals("# of pending topologies", 0, rs.getUser("derek").getTopologiesPending().size());
    Assert.assertEquals("# of attempted topologies", 0, rs.getUser("derek").getTopologiesAttempted().size());
    Assert.assertEquals("# of invalid topologies", 0, rs.getUser("derek").getTopologiesInvalid().size());
    for (TopologyDetails topo : rs.getUser("bobby").getTopologiesRunning()) {
        Assert.assertTrue("assert topology success", TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId())));
    }
    Assert.assertEquals("# of running topologies", 2, rs.getUser("bobby").getTopologiesRunning().size());
    Assert.assertEquals("# of pending topologies", 0, rs.getUser("bobby").getTopologiesPending().size());
    Assert.assertEquals("# of invalid topologies", 0, rs.getUser("bobby").getTopologiesInvalid().size());
    Assert.assertEquals("# of attempted topologies", 0, rs.getUser("bobby").getTopologiesAttempted().size());
    //user jerry submits another topology
    topoMap.put(topo1.getId(), topo1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster);
    for (TopologyDetails topo : rs.getUser("jerry").getTopologiesRunning()) {
        Assert.assertTrue("assert topology success", TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId())));
    }
    Assert.assertEquals("# of running topologies", 1, rs.getUser("jerry").getTopologiesRunning().size());
    Assert.assertEquals("# of pending topologies", 0, rs.getUser("jerry").getTopologiesPending().size());
    Assert.assertEquals("# of attempted topologies", 0, rs.getUser("jerry").getTopologiesAttempted().size());
    Assert.assertEquals("# of invalid topologies", 0, rs.getUser("jerry").getTopologiesInvalid().size());
    for (TopologyDetails topo : rs.getUser("derek").getTopologiesRunning()) {
        Assert.assertTrue("assert topology success", TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId())));
    }
    Assert.assertEquals("# of running topologies", 2, rs.getUser("derek").getTopologiesRunning().size());
    Assert.assertEquals("# of pending topologies", 0, rs.getUser("derek").getTopologiesPending().size());
    Assert.assertEquals("# of attempted topologies", 0, rs.getUser("derek").getTopologiesAttempted().size());
    Assert.assertEquals("# of invalid topologies", 0, rs.getUser("derek").getTopologiesInvalid().size());
    for (TopologyDetails topo : rs.getUser("bobby").getTopologiesAttempted()) {
        Assert.assertFalse("assert topology success", TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId())));
    }
    Assert.assertEquals("# of attempted topologies", 2, rs.getUser("bobby").getTopologiesAttempted().size());
    Assert.assertEquals("# of pending topologies", 0, rs.getUser("bobby").getTopologiesPending().size());
    Assert.assertEquals("# of invalid topologies", 0, rs.getUser("bobby").getTopologiesInvalid().size());
    Assert.assertEquals("# of running topologies", 0, rs.getUser("bobby").getTopologiesRunning().size());
}

Example 17 with Cluster

use of org.apache.storm.scheduler.Cluster in project storm by apache.

the class TestDefaultResourceAwareStrategy method testMultipleRacks.

/**
     * Test whether strategy will choose correct rack
     */
@Test
public void testMultipleRacks() {
    final Map<String, SupervisorDetails> supMap = new HashMap<String, SupervisorDetails>();
    Map<String, Number> resourceMap = new HashMap<String, Number>();
    //generate a rack of supervisors
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 400.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 8000.0);
    final Map<String, SupervisorDetails> supMapRack1 = TestUtilsForResourceAwareScheduler.genSupervisors(10, 4, 0, resourceMap);
    //generate another rack of supervisors with less resources
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 200.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 4000.0);
    final Map<String, SupervisorDetails> supMapRack2 = TestUtilsForResourceAwareScheduler.genSupervisors(10, 4, 10, resourceMap);
    //generate some supervisors that are depleted of one resource
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 0.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 8000.0);
    final Map<String, SupervisorDetails> supMapRack3 = TestUtilsForResourceAwareScheduler.genSupervisors(10, 4, 20, resourceMap);
    //generate some that has alot of memory but little of cpu
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 10.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 8000.0 * 2 + 4000.0);
    final Map<String, SupervisorDetails> supMapRack4 = TestUtilsForResourceAwareScheduler.genSupervisors(10, 4, 30, resourceMap);
    //generate some that has alot of cpu but little of memory
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 400.0 + 200.0 + 10.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 1000.0);
    final Map<String, SupervisorDetails> supMapRack5 = TestUtilsForResourceAwareScheduler.genSupervisors(10, 4, 40, resourceMap);
    supMap.putAll(supMapRack1);
    supMap.putAll(supMapRack2);
    supMap.putAll(supMapRack3);
    supMap.putAll(supMapRack4);
    supMap.putAll(supMapRack5);
    Config config = new Config();
    config.putAll(Utils.readDefaultConfig());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_EVICTION_STRATEGY, org.apache.storm.scheduler.resource.strategies.eviction.DefaultEvictionStrategy.class.getName());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_PRIORITY_STRATEGY, org.apache.storm.scheduler.resource.strategies.priority.DefaultSchedulingPriorityStrategy.class.getName());
    config.put(Config.TOPOLOGY_SCHEDULER_STRATEGY, org.apache.storm.scheduler.resource.strategies.scheduling.DefaultResourceAwareStrategy.class.getName());
    config.put(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT, 100.0);
    config.put(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB, 500);
    config.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, 500);
    config.put(Config.TOPOLOGY_WORKER_MAX_HEAP_SIZE_MB, Double.MAX_VALUE);
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config);
    //create test DNSToSwitchMapping plugin
    DNSToSwitchMapping TestNetworkTopographyPlugin = new DNSToSwitchMapping() {

        @Override
        public Map<String, String> resolve(List<String> names) {
            Map<String, String> ret = new HashMap<String, String>();
            for (SupervisorDetails sup : supMapRack1.values()) {
                ret.put(sup.getHost(), "rack-0");
            }
            for (SupervisorDetails sup : supMapRack2.values()) {
                ret.put(sup.getHost(), "rack-1");
            }
            for (SupervisorDetails sup : supMapRack3.values()) {
                ret.put(sup.getHost(), "rack-2");
            }
            for (SupervisorDetails sup : supMapRack4.values()) {
                ret.put(sup.getHost(), "rack-3");
            }
            for (SupervisorDetails sup : supMapRack5.values()) {
                ret.put(sup.getHost(), "rack-4");
            }
            return ret;
        }
    };
    List<String> supHostnames = new LinkedList<>();
    for (SupervisorDetails sup : supMap.values()) {
        supHostnames.add(sup.getHost());
    }
    Map<String, List<String>> rackToNodes = new HashMap<>();
    Map<String, String> resolvedSuperVisors = TestNetworkTopographyPlugin.resolve(supHostnames);
    for (Map.Entry<String, String> entry : resolvedSuperVisors.entrySet()) {
        String hostName = entry.getKey();
        String rack = entry.getValue();
        List<String> nodesForRack = rackToNodes.get(rack);
        if (nodesForRack == null) {
            nodesForRack = new ArrayList<String>();
            rackToNodes.put(rack, nodesForRack);
        }
        nodesForRack.add(hostName);
    }
    cluster.setNetworkTopography(rackToNodes);
    //generate topologies
    Map<String, TopologyDetails> topoMap = new HashMap<String, TopologyDetails>();
    TopologyDetails topo1 = TestUtilsForResourceAwareScheduler.getTopology("topo-1", config, 8, 0, 2, 0, currentTime - 2, 10);
    TopologyDetails topo2 = TestUtilsForResourceAwareScheduler.getTopology("topo-2", config, 8, 0, 2, 0, currentTime - 2, 10);
    topoMap.put(topo1.getId(), topo1);
    Topologies topologies = new Topologies(topoMap);
    DefaultResourceAwareStrategy rs = new DefaultResourceAwareStrategy();
    rs.prepare(new SchedulingState(new HashMap<String, User>(), cluster, topologies, config));
    TreeSet<ObjectResources> sortedRacks = rs.sortRacks(topo1.getId(), new HashMap<WorkerSlot, Collection<ExecutorDetails>>());
    Assert.assertEquals("# of racks sorted", 5, sortedRacks.size());
    Iterator<ObjectResources> it = sortedRacks.iterator();
    // Ranked first since rack-0 has the most balanced set of resources
    Assert.assertEquals("rack-0 should be ordered first", "rack-0", it.next().id);
    // Ranked second since rack-1 has a balanced set of resources but less than rack-0
    Assert.assertEquals("rack-1 should be ordered second", "rack-1", it.next().id);
    // Ranked third since rack-4 has a lot of cpu but not a lot of memory
    Assert.assertEquals("rack-4 should be ordered third", "rack-4", it.next().id);
    // Ranked fourth since rack-3 has alot of memory but not cpu
    Assert.assertEquals("rack-3 should be ordered fourth", "rack-3", it.next().id);
    //Ranked last since rack-2 has not cpu resources
    Assert.assertEquals("rack-2 should be ordered fifth", "rack-2", it.next().id);
    SchedulingResult schedulingResult = rs.schedule(topo1);
    for (Map.Entry<WorkerSlot, Collection<ExecutorDetails>> entry : schedulingResult.getSchedulingResultMap().entrySet()) {
        WorkerSlot ws = entry.getKey();
        Collection<ExecutorDetails> execs = entry.getValue();
        //make sure all workers on scheduled in rack-0
        Assert.assertEquals("assert worker scheduled on rack-0", "rack-0", resolvedSuperVisors.get(rs.idToNode(ws.getNodeId()).getHostname()));
        // make actual assignments
        cluster.assign(ws, topo1.getId(), execs);
    }
    Assert.assertEquals("All executors in topo-1 scheduled", 0, cluster.getUnassignedExecutors(topo1).size());
    //Test if topology is already partially scheduled on one rack
    topoMap.put(topo2.getId(), topo2);
    topologies = new Topologies(topoMap);
    RAS_Nodes nodes = new RAS_Nodes(cluster, topologies);
    Iterator<ExecutorDetails> executorIterator = topo2.getExecutors().iterator();
    List<String> nodeHostnames = rackToNodes.get("rack-1");
    for (int i = 0; i < topo2.getExecutors().size() / 2; i++) {
        String nodeHostname = nodeHostnames.get(i % nodeHostnames.size());
        RAS_Node node = rs.idToNode(rs.NodeHostnameToId(nodeHostname));
        WorkerSlot targetSlot = node.getFreeSlots().iterator().next();
        ExecutorDetails targetExec = executorIterator.next();
        // to keep track of free slots
        node.assign(targetSlot, topo2, Arrays.asList(targetExec));
        // to actually assign
        cluster.assign(targetSlot, topo2.getId(), Arrays.asList(targetExec));
    }
    rs = new DefaultResourceAwareStrategy();
    rs.prepare(new SchedulingState(new HashMap<String, User>(), cluster, topologies, config));
    // schedule topo2
    schedulingResult = rs.schedule(topo2);
    // checking assignments
    for (Map.Entry<WorkerSlot, Collection<ExecutorDetails>> entry : schedulingResult.getSchedulingResultMap().entrySet()) {
        WorkerSlot ws = entry.getKey();
        Collection<ExecutorDetails> execs = entry.getValue();
        //make sure all workers on scheduled in rack-1
        Assert.assertEquals("assert worker scheduled on rack-1", "rack-1", resolvedSuperVisors.get(rs.idToNode(ws.getNodeId()).getHostname()));
        // make actual assignments
        cluster.assign(ws, topo2.getId(), execs);
    }
    Assert.assertEquals("All executors in topo-2 scheduled", 0, cluster.getUnassignedExecutors(topo1).size());
}

Example 18 with Cluster

use of org.apache.storm.scheduler.Cluster in project storm by apache.

the class TestDefaultResourceAwareStrategy method testDefaultResourceAwareStrategy.

/**
     * test if the scheduling logic for the DefaultResourceAwareStrategy is correct
     */
@Test
public void testDefaultResourceAwareStrategy() {
    int spoutParallelism = 1;
    int boltParallelism = 2;
    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("spout", new TestUtilsForResourceAwareScheduler.TestSpout(), spoutParallelism);
    builder.setBolt("bolt-1", new TestUtilsForResourceAwareScheduler.TestBolt(), boltParallelism).shuffleGrouping("spout");
    builder.setBolt("bolt-2", new TestUtilsForResourceAwareScheduler.TestBolt(), boltParallelism).shuffleGrouping("bolt-1");
    builder.setBolt("bolt-3", new TestUtilsForResourceAwareScheduler.TestBolt(), boltParallelism).shuffleGrouping("bolt-2");
    StormTopology stormToplogy = builder.createTopology();
    Config conf = new Config();
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<String, Number>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 150.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 1500.0);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(4, 4, resourceMap);
    conf.putAll(Utils.readDefaultConfig());
    conf.put(Config.RESOURCE_AWARE_SCHEDULER_EVICTION_STRATEGY, org.apache.storm.scheduler.resource.strategies.eviction.DefaultEvictionStrategy.class.getName());
    conf.put(Config.RESOURCE_AWARE_SCHEDULER_PRIORITY_STRATEGY, org.apache.storm.scheduler.resource.strategies.priority.DefaultSchedulingPriorityStrategy.class.getName());
    conf.put(Config.TOPOLOGY_SCHEDULER_STRATEGY, org.apache.storm.scheduler.resource.strategies.scheduling.DefaultResourceAwareStrategy.class.getName());
    conf.put(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT, 50.0);
    conf.put(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB, 250);
    conf.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, 250);
    conf.put(Config.TOPOLOGY_PRIORITY, 0);
    conf.put(Config.TOPOLOGY_NAME, "testTopology");
    conf.put(Config.TOPOLOGY_WORKER_MAX_HEAP_SIZE_MB, Double.MAX_VALUE);
    TopologyDetails topo = new TopologyDetails("testTopology-id", conf, stormToplogy, 0, TestUtilsForResourceAwareScheduler.genExecsAndComps(stormToplogy), this.currentTime);
    Map<String, TopologyDetails> topoMap = new HashMap<String, TopologyDetails>();
    topoMap.put(topo.getId(), topo);
    Topologies topologies = new Topologies(topoMap);
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), conf);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    rs.prepare(conf);
    rs.schedule(topologies, cluster);
    Map<String, List<String>> nodeToComps = new HashMap<String, List<String>>();
    for (Map.Entry<ExecutorDetails, WorkerSlot> entry : cluster.getAssignments().get("testTopology-id").getExecutorToSlot().entrySet()) {
        WorkerSlot ws = entry.getValue();
        ExecutorDetails exec = entry.getKey();
        if (!nodeToComps.containsKey(ws.getNodeId())) {
            nodeToComps.put(ws.getNodeId(), new LinkedList<String>());
        }
        nodeToComps.get(ws.getNodeId()).add(topo.getExecutorToComponent().get(exec));
    }
    /**
         * check for correct scheduling
         * Since all the resource availabilites on nodes are the same in the beginining
         * DefaultResourceAwareStrategy can arbitrarily pick one thus we must find if a particular scheduling
         * exists on a node the the cluster.
         */
    //one node should have the below scheduling
    List<String> node1 = new LinkedList<>();
    node1.add("spout");
    node1.add("bolt-1");
    node1.add("bolt-2");
    Assert.assertTrue("Check DefaultResourceAwareStrategy scheduling", checkDefaultStrategyScheduling(nodeToComps, node1));
    //one node should have the below scheduling
    List<String> node2 = new LinkedList<>();
    node2.add("bolt-3");
    node2.add("bolt-1");
    node2.add("bolt-2");
    Assert.assertTrue("Check DefaultResourceAwareStrategy scheduling", checkDefaultStrategyScheduling(nodeToComps, node2));
    //one node should have the below scheduling
    List<String> node3 = new LinkedList<>();
    node3.add("bolt-3");
    Assert.assertTrue("Check DefaultResourceAwareStrategy scheduling", checkDefaultStrategyScheduling(nodeToComps, node3));
    //three used and one node should be empty
    Assert.assertEquals("only three nodes should be used", 3, nodeToComps.size());
}

Example 19 with Cluster

use of org.apache.storm.scheduler.Cluster in project storm by apache.

the class TestResourceAwareScheduler method testHandlingClusterSubscription.

@Test
public void testHandlingClusterSubscription() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<String, Number>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 200.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 1024.0 * 10);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(1, 4, resourceMap);
    Config config = new Config();
    config.putAll(Utils.readDefaultConfig());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_EVICTION_STRATEGY, org.apache.storm.scheduler.resource.strategies.eviction.DefaultEvictionStrategy.class.getName());
    config.put(Config.RESOURCE_AWARE_SCHEDULER_PRIORITY_STRATEGY, org.apache.storm.scheduler.resource.strategies.priority.DefaultSchedulingPriorityStrategy.class.getName());
    config.put(Config.TOPOLOGY_SCHEDULER_STRATEGY, org.apache.storm.scheduler.resource.strategies.scheduling.DefaultResourceAwareStrategy.class.getName());
    Map<String, Map<String, Number>> resourceUserPool = new HashMap<String, Map<String, Number>>();
    resourceUserPool.put("jerry", new HashMap<String, Number>());
    resourceUserPool.get("jerry").put("cpu", 1000);
    resourceUserPool.get("jerry").put("memory", 8192.0);
    resourceUserPool.put("bobby", new HashMap<String, Number>());
    resourceUserPool.get("bobby").put("cpu", 10000.0);
    resourceUserPool.get("bobby").put("memory", 32768);
    resourceUserPool.put("derek", new HashMap<String, Number>());
    resourceUserPool.get("derek").put("cpu", 5000.0);
    resourceUserPool.get("derek").put("memory", 16384.0);
    config.put(Config.RESOURCE_AWARE_SCHEDULER_USER_POOLS, resourceUserPool);
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config);
    config.put(Config.TOPOLOGY_SUBMITTER_USER, "jerry");
    TopologyDetails topo1 = TestUtilsForResourceAwareScheduler.getTopology("topo-1", config, 5, 15, 1, 1, currentTime - 2, 20);
    TopologyDetails topo2 = TestUtilsForResourceAwareScheduler.getTopology("topo-2", config, 5, 15, 1, 1, currentTime - 8, 29);
    Map<String, TopologyDetails> topoMap = new HashMap<String, TopologyDetails>();
    topoMap.put(topo1.getId(), topo1);
    topoMap.put(topo2.getId(), topo2);
    Topologies topologies = new Topologies(topoMap);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    rs.prepare(config);
    rs.schedule(topologies, cluster);
    int fullyScheduled = 0;
    for (TopologyDetails topo : topoMap.values()) {
        if (TestUtilsForResourceAwareScheduler.assertStatusSuccess(cluster.getStatusMap().get(topo.getId()))) {
            fullyScheduled++;
        }
    }
    Assert.assertEquals("# of Fully scheduled", 1, fullyScheduled);
    Assert.assertEquals("# of topologies schedule attempted", 1, rs.getUser("jerry").getTopologiesAttempted().size());
    Assert.assertEquals("# of topologies running", 1, rs.getUser("jerry").getTopologiesRunning().size());
    Assert.assertEquals("# of topologies schedule pending", 0, rs.getUser("jerry").getTopologiesPending().size());
}

Example 20 with Cluster

use of org.apache.storm.scheduler.Cluster in project storm by apache.

the class TestResourceAwareScheduler method testScheduleResilience.

@Test
public void testScheduleResilience() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 400.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 2000.0);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(2, 2, resourceMap);
    TopologyBuilder builder1 = new TopologyBuilder();
    builder1.setSpout("wordSpout1", new TestWordSpout(), 3);
    StormTopology stormTopology1 = builder1.createTopology();
    Config config1 = new Config();
    config1.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap1 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology1);
    TopologyDetails topology1 = new TopologyDetails("topology1", config1, stormTopology1, 3, executorMap1, 0);
    TopologyBuilder builder2 = new TopologyBuilder();
    builder2.setSpout("wordSpout2", new TestWordSpout(), 2);
    StormTopology stormTopology2 = builder2.createTopology();
    Config config2 = new Config();
    config2.putAll(defaultTopologyConf);
    // memory requirement is large enough so that two executors can not be fully assigned to one node
    config2.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, 1280.0);
    Map<ExecutorDetails, String> executorMap2 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology2);
    TopologyDetails topology2 = new TopologyDetails("topology2", config2, stormTopology2, 2, executorMap2, 0);
    // Test1: When a worker fails, RAS does not alter existing assignments on healthy workers
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    Map<String, TopologyDetails> topoMap = new HashMap<>();
    topoMap.put(topology2.getId(), topology2);
    Topologies topologies = new Topologies(topoMap);
    rs.prepare(config1);
    rs.schedule(topologies, cluster);
    SchedulerAssignmentImpl assignment = (SchedulerAssignmentImpl) cluster.getAssignmentById(topology2.getId());
    // pick a worker to mock as failed
    WorkerSlot failedWorker = new ArrayList<WorkerSlot>(assignment.getSlots()).get(0);
    Map<ExecutorDetails, WorkerSlot> executorToSlot = assignment.getExecutorToSlot();
    List<ExecutorDetails> failedExecutors = new ArrayList<>();
    for (Map.Entry<ExecutorDetails, WorkerSlot> entry : executorToSlot.entrySet()) {
        if (entry.getValue().equals(failedWorker)) {
            failedExecutors.add(entry.getKey());
        }
    }
    for (ExecutorDetails executor : failedExecutors) {
        // remove executor details assigned to the failed worker
        executorToSlot.remove(executor);
    }
    Map<ExecutorDetails, WorkerSlot> copyOfOldMapping = new HashMap<>(executorToSlot);
    Set<ExecutorDetails> healthyExecutors = copyOfOldMapping.keySet();
    rs.schedule(topologies, cluster);
    SchedulerAssignment newAssignment = cluster.getAssignmentById(topology2.getId());
    Map<ExecutorDetails, WorkerSlot> newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : healthyExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology2.getId()));
    // end of Test1
    // Test2: When a supervisor fails, RAS does not alter existing assignments
    executorToSlot = new HashMap<>();
    executorToSlot.put(new ExecutorDetails(0, 0), new WorkerSlot("sup-0", 0));
    executorToSlot.put(new ExecutorDetails(1, 1), new WorkerSlot("sup-0", 1));
    executorToSlot.put(new ExecutorDetails(2, 2), new WorkerSlot("sup-1", 1));
    Map<String, SchedulerAssignmentImpl> existingAssignments = new HashMap<>();
    assignment = new SchedulerAssignmentImpl(topology1.getId(), executorToSlot);
    existingAssignments.put(topology1.getId(), assignment);
    copyOfOldMapping = new HashMap<>(executorToSlot);
    Set<ExecutorDetails> existingExecutors = copyOfOldMapping.keySet();
    Map<String, SupervisorDetails> supMap1 = new HashMap<>(supMap);
    // mock the supervisor sup-0 as a failed supervisor
    supMap1.remove("sup-0");
    Cluster cluster1 = new Cluster(iNimbus, supMap1, existingAssignments, config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : existingExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Fully Scheduled", cluster1.getStatusMap().get(topology1.getId()));
    // end of Test2
    // Test3: When a supervisor and a worker on it fails, RAS does not alter existing assignments
    executorToSlot = new HashMap<>();
    // the worker to orphan
    executorToSlot.put(new ExecutorDetails(0, 0), new WorkerSlot("sup-0", 1));
    // the worker that fails
    executorToSlot.put(new ExecutorDetails(1, 1), new WorkerSlot("sup-0", 2));
    // the healthy worker
    executorToSlot.put(new ExecutorDetails(2, 2), new WorkerSlot("sup-1", 1));
    existingAssignments = new HashMap<>();
    assignment = new SchedulerAssignmentImpl(topology1.getId(), executorToSlot);
    existingAssignments.put(topology1.getId(), assignment);
    // delete one worker of sup-0 (failed) from topo1 assignment to enable actual schedule for testing
    executorToSlot.remove(new ExecutorDetails(1, 1));
    copyOfOldMapping = new HashMap<>(executorToSlot);
    // namely the two eds on the orphaned worker and the healthy worker
    existingExecutors = copyOfOldMapping.keySet();
    supMap1 = new HashMap<>(supMap);
    // mock the supervisor sup-0 as a failed supervisor
    supMap1.remove("sup-0");
    cluster1 = new Cluster(iNimbus, supMap1, existingAssignments, config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : existingExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Fully Scheduled", cluster1.getStatusMap().get(topology1.getId()));
    // end of Test3
    // Test4: Scheduling a new topology does not disturb other assignments unnecessarily
    cluster1 = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    assignment = (SchedulerAssignmentImpl) cluster1.getAssignmentById(topology1.getId());
    executorToSlot = assignment.getExecutorToSlot();
    copyOfOldMapping = new HashMap<>(executorToSlot);
    topoMap.put(topology2.getId(), topology2);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = (SchedulerAssignmentImpl) cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : copyOfOldMapping.keySet()) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster1.getStatusMap().get(topology1.getId()));
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster1.getStatusMap().get(topology2.getId()));
}