Examples with MinMTTR org.btrplace.model.constraint.MinMTTR used on opensource projects

Example 16 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR in project scheduler by btrplace.

the class FixedNodeSetsPartitioningTest method makeInstance.

private Instance makeInstance() {
    Model mo = new DefaultModel();
    for (int i = 0; i < 20; i++) {
        Node n = mo.newNode();
        mo.getMapping().addOnlineNode(n);
        VM v = mo.newVM();
        // 1 VM per node is already running
        mo.getMapping().addRunningVM(v, n);
    }
    // 30 VMs to launch
    for (int i = 0; i < 30; i++) {
        VM v = mo.newVM();
        mo.getMapping().addReadyVM(v);
    }
    return new Instance(mo, Running.newRunning(mo.getMapping().getAllVMs()), new MinMTTR());
}

Example 17 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR in project scheduler by btrplace.

the class IssuesTest method testIssue89.

@Test
public static void testIssue89() throws Exception {
    final Model model = new DefaultModel();
    final Mapping mapping = model.getMapping();
    final Node node0 = model.newNode(0);
    final int[] ids0 = { 1, 45, 43, 40, 39, 38, 82, 80, 79, 78, 30, 75, 18, 16, 15, 14, 60, 9, 55, 54, 50, 48 };
    final Node node1 = model.newNode(1);
    final int[] ids1 = { 84, 83, 81, 77, 73, 71, 64, 63, 62, 57, 53, 52, 47, 46, 44, 41, 34, 31, 28, 25, 13, 8, 6, 4, 3, 0 };
    final Node node2 = model.newNode(2);
    final int[] ids2 = { 21, 67, 42, 36, 35, 33, 76, 74, 23, 69, 68, 20, 61, 12, 11, 10, 5, 51 };
    final Node node3 = model.newNode(3);
    final int[] ids3 = { 2, 66, 86, 85, 37, 32, 29, 27, 26, 72, 24, 70, 22, 19, 65, 17, 59, 58, 56, 7, 49 };
    final ShareableResource cpu = new ShareableResource("cpu", 45, 1);
    final ShareableResource mem = new ShareableResource("mem", 90, 2);
    populateNodeVm(model, mapping, node0, ids0);
    populateNodeVm(model, mapping, node1, ids1);
    populateNodeVm(model, mapping, node2, ids2);
    populateNodeVm(model, mapping, node3, ids3);
    model.attach(cpu);
    model.attach(mem);
    final Collection<SatConstraint> satConstraints = new ArrayList<>();
    // We want to cause Node 3 to go offline to see how the VMs hosted on that
    // node will get rebalanced.
    satConstraints.add(new Offline(node3));
    final OptConstraint optConstraint = new MinMTTR();
    DefaultChocoScheduler scheduler = new DefaultChocoScheduler();
    scheduler.doOptimize(false);
    scheduler.doRepair(true);
    scheduler.setTimeLimit(60000);
    ReconfigurationPlan plan = scheduler.solve(model, satConstraints, optConstraint);
    System.out.println(scheduler.getStatistics());
    Assert.assertTrue(plan.isApplyable());
    satConstraints.clear();
    // This is somewhat similar to making Node 3 going offline by ensuring that
    // all VMs can no longer get hosted on that node.
    satConstraints.addAll(mapping.getAllVMs().stream().map(vm -> new Ban(vm, Collections.singletonList(node3))).collect(Collectors.toList()));
    scheduler = new DefaultChocoScheduler();
    scheduler.doOptimize(false);
    scheduler.doRepair(true);
    plan = scheduler.solve(model, satConstraints, optConstraint);
    Assert.assertTrue(plan.isApplyable());
}

Example 18 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR in project scheduler by btrplace.

the class COverbookTest method testGetMisplaced.

@Test
public void testGetMisplaced() throws SchedulerException {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    VM vm5 = mo.newVM();
    VM vm6 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    mo.getMapping().on(n1, n2, n3).run(n1, vm1).run(n2, vm2, vm3).run(n3, vm4, vm5, vm6);
    ShareableResource rcCPU = new ShareableResource("cpu", 1, 1);
    mo.attach(rcCPU);
    Overbook o1 = new Overbook(n1, "cpu", 1);
    Overbook o2 = new Overbook(n2, "cpu", 2);
    Overbook o3 = new Overbook(n3, "cpu", 3);
    COverbook co1 = new COverbook(o1);
    COverbook co2 = new COverbook(o2);
    COverbook co3 = new COverbook(o3);
    Instance i = new Instance(mo, Collections.emptyList(), new MinMTTR());
    Assert.assertTrue(co1.getMisPlacedVMs(i).isEmpty());
    Assert.assertTrue(co2.getMisPlacedVMs(i).isEmpty());
    Assert.assertEquals(o3.getInvolvedVMs(), co3.getMisPlacedVMs(i));
}

Example 19 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR in project scheduler by btrplace.

the class CSleepingTest method testGetMisplaced.

@Test
public void testGetMisplaced() {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    Node n1 = mo.newNode();
    mo.getMapping().on(n1).ready(vm1).run(n1, vm2).sleep(n1, vm3);
    Instance i = new Instance(mo, Collections.emptyList(), new MinMTTR());
    CSleeping k = new CSleeping(new Sleeping(vm3));
    Assert.assertEquals(0, k.getMisPlacedVMs(i).size());
    k = new CSleeping(new Sleeping(vm1));
    Assert.assertEquals(1, k.getMisPlacedVMs(i).size());
    Assert.assertTrue(k.getMisPlacedVMs(i).contains(vm1));
    k = new CSleeping(new Sleeping(vm3));
    Assert.assertEquals(0, k.getMisPlacedVMs(i).size());
}

Example 20 with MinMTTR

use of org.btrplace.model.constraint.MinMTTR in project scheduler by btrplace.

the class CSplitAmongTest method testGetMisplaced.

@Test
public void testGetMisplaced() {
    Model mo = new DefaultModel();
    VM vm1 = mo.newVM();
    VM vm2 = mo.newVM();
    VM vm3 = mo.newVM();
    VM vm4 = mo.newVM();
    VM vm5 = mo.newVM();
    VM vm6 = mo.newVM();
    VM vm7 = mo.newVM();
    VM vm8 = mo.newVM();
    Node n1 = mo.newNode();
    Node n2 = mo.newNode();
    Node n3 = mo.newNode();
    Node n4 = mo.newNode();
    Node n5 = mo.newNode();
    Mapping map = mo.getMapping().on(n1, n2, n3, n4, n5).run(n1, vm1, vm3).run(n2, vm2).run(n3, vm4, vm6).run(n4, vm5).run(n5, vm7);
    // Isolated VM not considered by the constraint
    map.addRunningVM(vm8, n1);
    Collection<VM> vg1 = new HashSet<>(Arrays.asList(vm1, vm2, vm3));
    Collection<VM> vg2 = new HashSet<>(Arrays.asList(vm4, vm5, vm6));
    Collection<VM> vg3 = new HashSet<>(Collections.singletonList(vm7));
    Collection<Node> pg1 = new HashSet<>(Arrays.asList(n1, n2));
    Collection<Node> pg2 = new HashSet<>(Arrays.asList(n3, n4));
    Collection<Node> pg3 = new HashSet<>(Collections.singletonList(n5));
    Collection<Collection<VM>> vgs = new HashSet<>(Arrays.asList(vg1, vg2, vg3));
    Collection<Collection<Node>> pgs = new HashSet<>(Arrays.asList(pg1, pg2, pg3));
    SplitAmong s = new SplitAmong(vgs, pgs);
    CSplitAmong cs = new CSplitAmong(s);
    Instance i = new Instance(mo, Collections.emptyList(), new MinMTTR());
    Assert.assertTrue(cs.getMisPlacedVMs(i).isEmpty());
    map.remove(vm7);
    map.addRunningVM(vm6, n5);
    // vg2 is on 2 group of nodes, the whole group is mis-placed
    Assert.assertEquals(cs.getMisPlacedVMs(i), vg2);
    map.addRunningVM(vm7, n5);
    // vg1 and vg2 overlap on n1. The two groups are mis-placed
    map.addRunningVM(vm6, n2);
    Assert.assertTrue(cs.getMisPlacedVMs(i).containsAll(vg1));
    Assert.assertTrue(cs.getMisPlacedVMs(i).containsAll(vg2));
    Assert.assertEquals(cs.getMisPlacedVMs(i).size(), vg1.size() + vg2.size());
}