Examples with RoutingAllocation org.elasticsearch.cluster.routing.allocation.RoutingAllocation used on opensource projects

Example 76 with RoutingAllocation

use of org.elasticsearch.cluster.routing.allocation.RoutingAllocation in project crate by crate.

the class DiskThresholdDeciderUnitTests method testCanRemainUsesLeastAvailableSpace.

@Test
public void testCanRemainUsesLeastAvailableSpace() {
    ClusterSettings nss = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    DiskThresholdDecider decider = new DiskThresholdDecider(Settings.EMPTY, nss);
    ImmutableOpenMap.Builder<ShardRouting, String> shardRoutingMap = ImmutableOpenMap.builder();
    DiscoveryNode node_0 = new DiscoveryNode("node_0", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    DiscoveryNode node_1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    final IndexMetadata indexMetadata = metadata.index("test");
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 0), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_0 = ShardRoutingHelper.initialize(test_0, node_0.getId());
    test_0 = ShardRoutingHelper.moveToStarted(test_0);
    shardRoutingMap.put(test_0, "/node0/least");
    ShardRouting test_1 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 1), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_1 = ShardRoutingHelper.initialize(test_1, node_1.getId());
    test_1 = ShardRoutingHelper.moveToStarted(test_1);
    shardRoutingMap.put(test_1, "/node1/least");
    ShardRouting test_2 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 2), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_2 = ShardRoutingHelper.initialize(test_2, node_1.getId());
    test_2 = ShardRoutingHelper.moveToStarted(test_2);
    shardRoutingMap.put(test_2, "/node1/most");
    ShardRouting test_3 = ShardRouting.newUnassigned(new ShardId(indexMetadata.getIndex(), 3), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    test_3 = ShardRoutingHelper.initialize(test_3, node_1.getId());
    test_3 = ShardRoutingHelper.moveToStarted(test_3);
    // Intentionally not in the shardRoutingMap. We want to test what happens when we don't know where it is.
    RoutingTable routingTable = RoutingTable.builder().addAsNew(indexMetadata).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    logger.info("--> adding two nodes");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(node_0).add(node_1)).build();
    // actual test -- after all that bloat :)
    ImmutableOpenMap.Builder<String, DiskUsage> leastAvailableUsages = ImmutableOpenMap.builder();
    // 90% used
    leastAvailableUsages.put("node_0", new DiskUsage("node_0", "node_0", "/node0/least", 100, 10));
    // 91% used
    leastAvailableUsages.put("node_1", new DiskUsage("node_1", "node_1", "/node1/least", 100, 9));
    ImmutableOpenMap.Builder<String, DiskUsage> mostAvailableUsage = ImmutableOpenMap.builder();
    // 10% used
    mostAvailableUsage.put("node_0", new DiskUsage("node_0", "node_0", "/node0/most", 100, 90));
    // 10% used
    mostAvailableUsage.put("node_1", new DiskUsage("node_1", "node_1", "/node1/most", 100, 90));
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    // 10 bytes
    shardSizes.put("[test][0][p]", 10L);
    shardSizes.put("[test][1][p]", 10L);
    shardSizes.put("[test][2][p]", 10L);
    final ClusterInfo clusterInfo = new ClusterInfo(leastAvailableUsages.build(), mostAvailableUsage.build(), shardSizes.build(), shardRoutingMap.build());
    RoutingAllocation allocation = new RoutingAllocation(new AllocationDeciders(Collections.singleton(decider)), clusterState.getRoutingNodes(), clusterState, clusterInfo, System.nanoTime());
    allocation.debugDecision(true);
    Decision decision = decider.canRemain(test_0, new RoutingNode("node_0", node_0), allocation);
    assertEquals(Decision.Type.YES, decision.type());
    assertThat(decision.getExplanation(), containsString("there is enough disk on this node for the shard to remain, free: [10b]"));
    decision = decider.canRemain(test_1, new RoutingNode("node_1", node_1), allocation);
    assertEquals(Decision.Type.NO, decision.type());
    assertThat(decision.getExplanation(), containsString("the shard cannot remain on this node because it is " + "above the high watermark cluster setting [cluster.routing.allocation.disk.watermark.high=90%] and there is less than " + "the required [10.0%] free disk on node, actual free: [9.0%]"));
    try {
        decider.canRemain(test_0, new RoutingNode("node_1", node_1), allocation);
        fail("not allocated on this node");
    } catch (IllegalArgumentException ex) {
    // not allocated on that node
    }
    try {
        decider.canRemain(test_1, new RoutingNode("node_0", node_0), allocation);
        fail("not allocated on this node");
    } catch (IllegalArgumentException ex) {
    // not allocated on that node
    }
    decision = decider.canRemain(test_2, new RoutingNode("node_1", node_1), allocation);
    assertEquals("can stay since allocated on a different path with enough space", Decision.Type.YES, decision.type());
    assertThat(decision.getExplanation(), containsString("this shard is not allocated on the most utilized disk and can remain"));
    decision = decider.canRemain(test_2, new RoutingNode("node_1", node_1), allocation);
    assertEquals("can stay since we don't have information about this shard", Decision.Type.YES, decision.type());
    assertThat(decision.getExplanation(), containsString("this shard is not allocated on the most utilized disk and can remain"));
}

Example 77 with RoutingAllocation

use of org.elasticsearch.cluster.routing.allocation.RoutingAllocation in project crate by crate.

the class DiskThresholdDeciderUnitTests method testCanAllocateUsesMaxAvailableSpace.

@Test
public void testCanAllocateUsesMaxAvailableSpace() {
    ClusterSettings nss = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    DiskThresholdDecider decider = new DiskThresholdDecider(Settings.EMPTY, nss);
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    final Index index = metadata.index("test").getIndex();
    ShardRouting test_0 = ShardRouting.newUnassigned(new ShardId(index, 0), true, EmptyStoreRecoverySource.INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
    DiscoveryNode node_0 = new DiscoveryNode("node_0", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    DiscoveryNode node_1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Collections.emptyMap(), new HashSet<>(DiscoveryNodeRole.BUILT_IN_ROLES), Version.CURRENT);
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metadata.index("test")).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(node_0).add(node_1)).build();
    // actual test -- after all that bloat :)
    ImmutableOpenMap.Builder<String, DiskUsage> leastAvailableUsages = ImmutableOpenMap.builder();
    // all full
    leastAvailableUsages.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, 0));
    // all full
    leastAvailableUsages.put("node_1", new DiskUsage("node_1", "node_1", "_na_", 100, 0));
    ImmutableOpenMap.Builder<String, DiskUsage> mostAvailableUsage = ImmutableOpenMap.builder();
    // 20 - 99 percent since after allocation there must be at least 10% left and shard is 10byte
    mostAvailableUsage.put("node_0", new DiskUsage("node_0", "node_0", "_na_", 100, randomIntBetween(20, 100)));
    // this is weird and smells like a bug! it should be up to 20%?
    mostAvailableUsage.put("node_1", new DiskUsage("node_1", "node_1", "_na_", 100, randomIntBetween(0, 10)));
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    // 10 bytes
    shardSizes.put("[test][0][p]", 10L);
    final ClusterInfo clusterInfo = new ClusterInfo(leastAvailableUsages.build(), mostAvailableUsage.build(), shardSizes.build(), ImmutableOpenMap.of());
    RoutingAllocation allocation = new RoutingAllocation(new AllocationDeciders(Collections.singleton(decider)), clusterState.getRoutingNodes(), clusterState, clusterInfo, System.nanoTime());
    allocation.debugDecision(true);
    Decision decision = decider.canAllocate(test_0, new RoutingNode("node_0", node_0), allocation);
    assertEquals(mostAvailableUsage.toString(), Decision.Type.YES, decision.type());
    assertThat(decision.getExplanation(), containsString("enough disk for shard on node"));
    decision = decider.canAllocate(test_0, new RoutingNode("node_1", node_1), allocation);
    assertEquals(mostAvailableUsage.toString(), Decision.Type.NO, decision.type());
    assertThat(decision.getExplanation(), containsString("the node is above the high watermark cluster " + "setting [cluster.routing.allocation.disk.watermark.high=90%], using more disk space than the maximum allowed [90.0%]"));
}

Example 78 with RoutingAllocation

use of org.elasticsearch.cluster.routing.allocation.RoutingAllocation in project crate by crate.

the class ReplicaShardAllocatorTests method testSimpleFullMatchAllocation.

/**
 * Verifies that when there is a full match (syncId and files) we allocate it to matching node.
 */
public void testSimpleFullMatchAllocation() {
    RoutingAllocation allocation = onePrimaryOnNode1And1Replica(yesAllocationDeciders());
    DiscoveryNode nodeToMatch = randomBoolean() ? node2 : node3;
    testAllocator.addData(node1, "MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION)).addData(nodeToMatch, "MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION));
    testAllocator.allocateUnassigned(allocation);
    assertThat(allocation.routingNodes().shardsWithState(ShardRoutingState.INITIALIZING).size(), equalTo(1));
    assertThat(allocation.routingNodes().shardsWithState(ShardRoutingState.INITIALIZING).get(0).currentNodeId(), equalTo(nodeToMatch.getId()));
}

Example 79 with RoutingAllocation

use of org.elasticsearch.cluster.routing.allocation.RoutingAllocation in project crate by crate.

the class ReplicaShardAllocatorTests method testCancelRecoveryIfFoundCopyWithNoopRetentionLease.

public void testCancelRecoveryIfFoundCopyWithNoopRetentionLease() {
    final UnassignedInfo unassignedInfo;
    final Set<String> failedNodeIds;
    if (randomBoolean()) {
        failedNodeIds = Collections.emptySet();
        unassignedInfo = new UnassignedInfo(UnassignedInfo.Reason.CLUSTER_RECOVERED, null);
    } else {
        failedNodeIds = new HashSet<>(randomSubsetOf(Set.of("node-4", "node-5", "node-6", "node-7")));
        unassignedInfo = new UnassignedInfo(UnassignedInfo.Reason.ALLOCATION_FAILED, null, null, randomIntBetween(1, 10), System.nanoTime(), System.currentTimeMillis(), false, UnassignedInfo.AllocationStatus.NO_ATTEMPT, failedNodeIds);
    }
    RoutingAllocation allocation = onePrimaryOnNode1And1ReplicaRecovering(yesAllocationDeciders(), unassignedInfo);
    long retainingSeqNo = randomLongBetween(1, Long.MAX_VALUE);
    testAllocator.addData(node1, Arrays.asList(newRetentionLease(node1, retainingSeqNo), newRetentionLease(node3, retainingSeqNo)), "MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION));
    testAllocator.addData(node2, "NO_MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION));
    testAllocator.addData(node3, randomSyncId(), new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION));
    testAllocator.processExistingRecoveries(allocation);
    assertThat(allocation.routingNodesChanged(), equalTo(true));
    List<ShardRouting> unassignedShards = allocation.routingNodes().shardsWithState(ShardRoutingState.UNASSIGNED);
    assertThat(unassignedShards, hasSize(1));
    assertThat(unassignedShards.get(0).shardId(), equalTo(shardId));
    assertThat(unassignedShards.get(0).unassignedInfo().getNumFailedAllocations(), equalTo(0));
    assertThat(unassignedShards.get(0).unassignedInfo().getFailedNodeIds(), equalTo(failedNodeIds));
}

Example 80 with RoutingAllocation

use of org.elasticsearch.cluster.routing.allocation.RoutingAllocation in project crate by crate.

the class ReplicaShardAllocatorTests method testAsyncFetchOnAnythingButIndexCreation.

/**
 * Verifies that for anything but index creation, fetch data ends up being called, since we need to go and try
 * and find a better copy for the shard.
 */
public void testAsyncFetchOnAnythingButIndexCreation() {
    UnassignedInfo.Reason reason = RandomPicks.randomFrom(random(), EnumSet.complementOf(EnumSet.of(UnassignedInfo.Reason.INDEX_CREATED)));
    RoutingAllocation allocation = onePrimaryOnNode1And1Replica(yesAllocationDeciders(), Settings.EMPTY, reason);
    testAllocator.clean();
    testAllocator.allocateUnassigned(allocation);
    assertThat("failed with reason " + reason, testAllocator.getFetchDataCalledAndClean(), equalTo(true));
}