Package voldemort.store.slop.strategy

Examples of voldemort.store.slop.strategy.HandoffToAnyStrategy

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public class HandoffToAnyStrategyTest {

    @Test
    public void testRouteHint() {
        Cluster cluster = VoldemortTestConstants.getNineNodeCluster();
        HintedHandoffStrategy handoffStrategy = new HandoffToAnyStrategy(cluster, false, 0);
        for(Node origin: cluster.getNodes()) {
            List<Node> nodes = handoffStrategy.routeHint(origin);
            assertTrue("hint preflist is correctly sized",
                       nodes.size() == cluster.getNumberOfNodes() - 1);
            assertFalse("hint preflist doesn't include self", nodes.contains(origin));
        }
    }
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    }

    @Test
    public void testRouteHintWithZones() {
        Cluster cluster = VoldemortTestConstants.getEightNodeClusterWithZones();
        HintedHandoffStrategy handoffStrategy0 = new HandoffToAnyStrategy(cluster, true, 0);
        HintedHandoffStrategy handoffStrategy1 = new HandoffToAnyStrategy(cluster, true, 1);

        List<Node> zone0Nodes = Lists.newArrayList();
        List<Node> zone1Nodes = Lists.newArrayList();
        for(int nodeId: ImmutableList.of(0, 1, 2, 3))
            zone0Nodes.add(cluster.getNodeById(nodeId));
        for(int nodeId: ImmutableList.of(4, 5, 6, 7))
            zone1Nodes.add(cluster.getNodeById(nodeId));

        for(Node origin: zone0Nodes) {
            List<Node> nodes = handoffStrategy0.routeHint(origin);
            assertFalse("hint preflist doesn't include self", nodes.contains(origin));
            for(Node node: nodes)
                assertFalse("local hints not routed remotely", zone1Nodes.contains(node));
            nodes = handoffStrategy1.routeHint(origin);
            assertFalse("hint preflist doesn't include self", nodes.contains(origin));
            for(Node node: nodes)
                assertTrue("remote hints routed locally", zone1Nodes.contains(node));
        }

        for(Node origin: zone1Nodes) {
            List<Node> nodes = handoffStrategy1.routeHint(origin);
            assertFalse("hint preflist doesn't include self", nodes.contains(origin));
            for(Node node: nodes)
                assertFalse("local hints not routed remotely", zone0Nodes.contains(node));
            nodes = handoffStrategy0.routeHint(origin);
            assertFalse("hint preflist doesn't include self", nodes.contains(origin));
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        ByteArray slopKey = slop.makeKey();
        Versioned<byte[]> slopValue = new Versioned<byte[]>(slopSerializer.toBytes(slop),
                                                            value.getVersion());

        Node failedNode = adminClient.getAdminClientCluster().getNodeById(failedNodeId);
        HandoffToAnyStrategy slopRoutingStrategy = new HandoffToAnyStrategy(adminClient.getAdminClientCluster(),
                                                                            true,
                                                                            failedNode.getZoneId());
        // node Id which will recieve the slop
        int slopDestination = slopRoutingStrategy.routeHint(failedNode).get(0).getId();

        VAdminProto.PartitionEntry partitionEntry = VAdminProto.PartitionEntry.newBuilder()
                                                                              .setKey(ProtoUtils.encodeBytes(slopKey))
                                                                              .setVersioned(ProtoUtils.encodeVersioned(slopValue))
                                                                              .build();
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Related Classes of voldemort.store.slop.strategy.HandoffToAnyStrategy

  • voldemort.client.protocol.admin.StreamingClient
  • voldemort.store.slop.strategy.HandoffToAnyStrategyTest
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