Examples with SeqNoStats org.opensearch.index.seqno.SeqNoStats used on opensource projects

Example 1 with SeqNoStats

use of org.opensearch.index.seqno.SeqNoStats in project OpenSearch by opensearch-project.

the class SplitIndexIT method testCreateSplitIndex.

public void testCreateSplitIndex() throws Exception {
    internalCluster().ensureAtLeastNumDataNodes(2);
    Version version = VersionUtils.randomIndexCompatibleVersion(random());
    prepareCreate("source").setSettings(Settings.builder().put(indexSettings()).put("number_of_shards", 1).put("index.version.created", version)).get();
    final int docs = randomIntBetween(0, 128);
    for (int i = 0; i < docs; i++) {
        client().prepareIndex("source").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
    }
    // ensure all shards are allocated otherwise the ensure green below might not succeed since we require the merge node
    // if we change the setting too quickly we will end up with one replica unassigned which can't be assigned anymore due
    // to the require._name below.
    ensureGreen();
    // relocate all shards to one node such that we can merge it.
    client().admin().indices().prepareUpdateSettings("source").setSettings(Settings.builder().put("index.blocks.write", true)).get();
    ensureGreen();
    final IndicesStatsResponse sourceStats = client().admin().indices().prepareStats("source").setSegments(true).get();
    // disable rebalancing to be able to capture the right stats. balancing can move the target primary
    // making it hard to pin point the source shards.
    client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), "none")).get();
    try {
        final boolean createWithReplicas = randomBoolean();
        assertAcked(client().admin().indices().prepareResizeIndex("source", "target").setResizeType(ResizeType.SPLIT).setSettings(Settings.builder().put("index.number_of_replicas", createWithReplicas ? 1 : 0).put("index.number_of_shards", 2).putNull("index.blocks.write").build()).get());
        ensureGreen();
        final ClusterState state = client().admin().cluster().prepareState().get().getState();
        DiscoveryNode mergeNode = state.nodes().get(state.getRoutingTable().index("target").shard(0).primaryShard().currentNodeId());
        logger.info("split node {}", mergeNode);
        final long maxSeqNo = Arrays.stream(sourceStats.getShards()).filter(shard -> shard.getShardRouting().currentNodeId().equals(mergeNode.getId())).map(ShardStats::getSeqNoStats).mapToLong(SeqNoStats::getMaxSeqNo).max().getAsLong();
        final long maxUnsafeAutoIdTimestamp = Arrays.stream(sourceStats.getShards()).filter(shard -> shard.getShardRouting().currentNodeId().equals(mergeNode.getId())).map(ShardStats::getStats).map(CommonStats::getSegments).mapToLong(SegmentsStats::getMaxUnsafeAutoIdTimestamp).max().getAsLong();
        final IndicesStatsResponse targetStats = client().admin().indices().prepareStats("target").get();
        for (final ShardStats shardStats : targetStats.getShards()) {
            final SeqNoStats seqNoStats = shardStats.getSeqNoStats();
            final ShardRouting shardRouting = shardStats.getShardRouting();
            assertThat("failed on " + shardRouting, seqNoStats.getMaxSeqNo(), equalTo(maxSeqNo));
            assertThat("failed on " + shardRouting, seqNoStats.getLocalCheckpoint(), equalTo(maxSeqNo));
            assertThat("failed on " + shardRouting, shardStats.getStats().getSegments().getMaxUnsafeAutoIdTimestamp(), equalTo(maxUnsafeAutoIdTimestamp));
        }
        final int size = docs > 0 ? 2 * docs : 1;
        assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        if (createWithReplicas == false) {
            // bump replicas
            client().admin().indices().prepareUpdateSettings("target").setSettings(Settings.builder().put("index.number_of_replicas", 1)).get();
            ensureGreen();
            assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        }
        for (int i = docs; i < 2 * docs; i++) {
            client().prepareIndex("target").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
        }
        flushAndRefresh();
        assertHitCount(client().prepareSearch("target").setSize(2 * size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), 2 * docs);
        assertHitCount(client().prepareSearch("source").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        GetSettingsResponse target = client().admin().indices().prepareGetSettings("target").get();
        assertEquals(version, target.getIndexToSettings().get("target").getAsVersion("index.version.created", null));
    } finally {
        // clean up
        client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), (String) null)).get();
    }
}

Example 2 with SeqNoStats

use of org.opensearch.index.seqno.SeqNoStats in project OpenSearch by opensearch-project.

the class ShrinkIndexIT method testCreateShrinkIndex.

public void testCreateShrinkIndex() {
    internalCluster().ensureAtLeastNumDataNodes(2);
    Version version = VersionUtils.randomVersion(random());
    prepareCreate("source").setSettings(Settings.builder().put(indexSettings()).put("number_of_shards", randomIntBetween(2, 7)).put("index.version.created", version)).get();
    final int docs = randomIntBetween(0, 128);
    for (int i = 0; i < docs; i++) {
        client().prepareIndex("source").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
    }
    ImmutableOpenMap<String, DiscoveryNode> dataNodes = client().admin().cluster().prepareState().get().getState().nodes().getDataNodes();
    assertTrue("at least 2 nodes but was: " + dataNodes.size(), dataNodes.size() >= 2);
    DiscoveryNode[] discoveryNodes = dataNodes.values().toArray(DiscoveryNode.class);
    // ensure all shards are allocated otherwise the ensure green below might not succeed since we require the merge node
    // if we change the setting too quickly we will end up with one replica unassigned which can't be assigned anymore due
    // to the require._name below.
    ensureGreen();
    // relocate all shards to one node such that we can merge it.
    client().admin().indices().prepareUpdateSettings("source").setSettings(Settings.builder().put("index.routing.allocation.require._name", discoveryNodes[0].getName()).put("index.blocks.write", true)).get();
    ensureGreen();
    final IndicesStatsResponse sourceStats = client().admin().indices().prepareStats("source").setSegments(true).get();
    // disable rebalancing to be able to capture the right stats. balancing can move the target primary
    // making it hard to pin point the source shards.
    client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), "none")).get();
    // now merge source into a single shard index
    final boolean createWithReplicas = randomBoolean();
    assertAcked(client().admin().indices().prepareResizeIndex("source", "target").setSettings(Settings.builder().put("index.number_of_replicas", createWithReplicas ? 1 : 0).putNull("index.blocks.write").putNull("index.routing.allocation.require._name").build()).get());
    ensureGreen();
    // resolve true merge node - this is not always the node we required as all shards may be on another node
    final ClusterState state = client().admin().cluster().prepareState().get().getState();
    DiscoveryNode mergeNode = state.nodes().get(state.getRoutingTable().index("target").shard(0).primaryShard().currentNodeId());
    logger.info("merge node {}", mergeNode);
    final long maxSeqNo = Arrays.stream(sourceStats.getShards()).filter(shard -> shard.getShardRouting().currentNodeId().equals(mergeNode.getId())).map(ShardStats::getSeqNoStats).mapToLong(SeqNoStats::getMaxSeqNo).max().getAsLong();
    final long maxUnsafeAutoIdTimestamp = Arrays.stream(sourceStats.getShards()).filter(shard -> shard.getShardRouting().currentNodeId().equals(mergeNode.getId())).map(ShardStats::getStats).map(CommonStats::getSegments).mapToLong(SegmentsStats::getMaxUnsafeAutoIdTimestamp).max().getAsLong();
    final IndicesStatsResponse targetStats = client().admin().indices().prepareStats("target").get();
    for (final ShardStats shardStats : targetStats.getShards()) {
        final SeqNoStats seqNoStats = shardStats.getSeqNoStats();
        final ShardRouting shardRouting = shardStats.getShardRouting();
        assertThat("failed on " + shardRouting, seqNoStats.getMaxSeqNo(), equalTo(maxSeqNo));
        assertThat("failed on " + shardRouting, seqNoStats.getLocalCheckpoint(), equalTo(maxSeqNo));
        assertThat("failed on " + shardRouting, shardStats.getStats().getSegments().getMaxUnsafeAutoIdTimestamp(), equalTo(maxUnsafeAutoIdTimestamp));
    }
    final int size = docs > 0 ? 2 * docs : 1;
    assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
    if (createWithReplicas == false) {
        // bump replicas
        client().admin().indices().prepareUpdateSettings("target").setSettings(Settings.builder().put("index.number_of_replicas", 1)).get();
        ensureGreen();
        assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
    }
    for (int i = docs; i < 2 * docs; i++) {
        client().prepareIndex("target").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
    }
    flushAndRefresh();
    assertHitCount(client().prepareSearch("target").setSize(2 * size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), 2 * docs);
    assertHitCount(client().prepareSearch("source").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
    GetSettingsResponse target = client().admin().indices().prepareGetSettings("target").get();
    assertEquals(version, target.getIndexToSettings().get("target").getAsVersion("index.version.created", null));
    // clean up
    client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), (String) null)).get();
}

Example 3 with SeqNoStats

use of org.opensearch.index.seqno.SeqNoStats in project OpenSearch by opensearch-project.

the class CloneIndexIT method testCreateCloneIndex.

public void testCreateCloneIndex() {
    Version version = VersionUtils.randomIndexCompatibleVersion(random());
    int numPrimaryShards = randomIntBetween(1, 5);
    prepareCreate("source").setSettings(Settings.builder().put(indexSettings()).put("number_of_shards", numPrimaryShards).put("index.version.created", version)).get();
    final int docs = randomIntBetween(0, 128);
    for (int i = 0; i < docs; i++) {
        client().prepareIndex("source").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
    }
    internalCluster().ensureAtLeastNumDataNodes(2);
    // ensure all shards are allocated otherwise the ensure green below might not succeed since we require the merge node
    // if we change the setting too quickly we will end up with one replica unassigned which can't be assigned anymore due
    // to the require._name below.
    ensureGreen();
    // relocate all shards to one node such that we can merge it.
    client().admin().indices().prepareUpdateSettings("source").setSettings(Settings.builder().put("index.blocks.write", true)).get();
    ensureGreen();
    final IndicesStatsResponse sourceStats = client().admin().indices().prepareStats("source").setSegments(true).get();
    // disable rebalancing to be able to capture the right stats. balancing can move the target primary
    // making it hard to pin point the source shards.
    client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), "none")).get();
    try {
        final boolean createWithReplicas = randomBoolean();
        assertAcked(client().admin().indices().prepareResizeIndex("source", "target").setResizeType(ResizeType.CLONE).setSettings(Settings.builder().put("index.number_of_replicas", createWithReplicas ? 1 : 0).putNull("index.blocks.write").build()).get());
        ensureGreen();
        final IndicesStatsResponse targetStats = client().admin().indices().prepareStats("target").get();
        assertThat(targetStats.getIndex("target").getIndexShards().keySet().size(), equalTo(numPrimaryShards));
        for (int i = 0; i < numPrimaryShards; i++) {
            final SeqNoStats sourceSeqNoStats = sourceStats.getIndex("source").getIndexShards().get(i).getAt(0).getSeqNoStats();
            final SeqNoStats targetSeqNoStats = targetStats.getIndex("target").getIndexShards().get(i).getAt(0).getSeqNoStats();
            assertEquals(sourceSeqNoStats.getMaxSeqNo(), targetSeqNoStats.getMaxSeqNo());
            assertEquals(targetSeqNoStats.getMaxSeqNo(), targetSeqNoStats.getLocalCheckpoint());
        }
        final int size = docs > 0 ? 2 * docs : 1;
        assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        if (createWithReplicas == false) {
            // bump replicas
            client().admin().indices().prepareUpdateSettings("target").setSettings(Settings.builder().put("index.number_of_replicas", 1)).get();
            ensureGreen();
            assertHitCount(client().prepareSearch("target").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        }
        for (int i = docs; i < 2 * docs; i++) {
            client().prepareIndex("target").setSource("{\"foo\" : \"bar\", \"i\" : " + i + "}", XContentType.JSON).get();
        }
        flushAndRefresh();
        assertHitCount(client().prepareSearch("target").setSize(2 * size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), 2 * docs);
        assertHitCount(client().prepareSearch("source").setSize(size).setQuery(new TermsQueryBuilder("foo", "bar")).get(), docs);
        GetSettingsResponse target = client().admin().indices().prepareGetSettings("target").get();
        assertEquals(version, target.getIndexToSettings().get("target").getAsVersion("index.version.created", null));
    } finally {
        // clean up
        client().admin().cluster().prepareUpdateSettings().setTransientSettings(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), (String) null)).get();
    }
}

Example 4 with SeqNoStats

use of org.opensearch.index.seqno.SeqNoStats in project OpenSearch by opensearch-project.

the class RemoveCorruptedShardDataCommandIT method testCorruptTranslogTruncationOfReplica.

public void testCorruptTranslogTruncationOfReplica() throws Exception {
    internalCluster().startMasterOnlyNode();
    final String node1 = internalCluster().startDataOnlyNode();
    final String node2 = internalCluster().startDataOnlyNode();
    logger.info("--> nodes name: {}, {}", node1, node2);
    final String indexName = "test";
    assertAcked(prepareCreate(indexName).setSettings(Settings.builder().put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1).put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), "-1").put(MockEngineSupport.DISABLE_FLUSH_ON_CLOSE.getKey(), // never flush - always recover from translog
    true).put("index.routing.allocation.exclude._name", node2)));
    ensureYellow();
    assertAcked(client().admin().indices().prepareUpdateSettings(indexName).setSettings(Settings.builder().put("index.routing.allocation.exclude._name", (String) null)));
    ensureGreen();
    // Index some documents
    int numDocsToKeep = randomIntBetween(0, 100);
    logger.info("--> indexing [{}] docs to be kept", numDocsToKeep);
    IndexRequestBuilder[] builders = new IndexRequestBuilder[numDocsToKeep];
    for (int i = 0; i < builders.length; i++) {
        builders[i] = client().prepareIndex(indexName).setSource("foo", "bar");
    }
    indexRandom(false, false, false, Arrays.asList(builders));
    flush(indexName);
    disableTranslogFlush(indexName);
    // having no extra docs is an interesting case for seq no based recoveries - test it more often
    int numDocsToTruncate = randomBoolean() ? 0 : randomIntBetween(0, 100);
    logger.info("--> indexing [{}] more docs to be truncated", numDocsToTruncate);
    builders = new IndexRequestBuilder[numDocsToTruncate];
    for (int i = 0; i < builders.length; i++) {
        builders[i] = client().prepareIndex(indexName).setSource("foo", "bar");
    }
    indexRandom(false, false, false, Arrays.asList(builders));
    final int totalDocs = numDocsToKeep + numDocsToTruncate;
    // sample the replica node translog dirs
    final ShardId shardId = new ShardId(resolveIndex(indexName), 0);
    final Path translogDir = getPathToShardData(node2, shardId, ShardPath.TRANSLOG_FOLDER_NAME);
    final Settings node1PathSettings = internalCluster().dataPathSettings(node1);
    final Settings node2PathSettings = internalCluster().dataPathSettings(node2);
    assertBusy(() -> internalCluster().getInstances(GatewayMetaState.class).forEach(gw -> assertTrue(gw.allPendingAsyncStatesWritten())));
    // stop data nodes
    internalCluster().stopRandomDataNode();
    internalCluster().stopRandomDataNode();
    // Corrupt the translog file(s) on the replica
    logger.info("--> corrupting translog");
    TestTranslog.corruptRandomTranslogFile(logger, random(), translogDir);
    // Start the node with the non-corrupted data path
    logger.info("--> starting node");
    internalCluster().startNode(node1PathSettings);
    ensureYellow();
    // Run a search and make sure it succeeds
    assertHitCount(client().prepareSearch(indexName).setQuery(matchAllQuery()).get(), totalDocs);
    // check replica corruption
    final RemoveCorruptedShardDataCommand command = new RemoveCorruptedShardDataCommand();
    final MockTerminal terminal = new MockTerminal();
    final OptionParser parser = command.getParser();
    final Environment environment = TestEnvironment.newEnvironment(Settings.builder().put(internalCluster().getDefaultSettings()).put(node2PathSettings).build());
    terminal.addTextInput("y");
    OptionSet options = parser.parse("-d", translogDir.toAbsolutePath().toString());
    logger.info("--> running command for [{}]", translogDir.toAbsolutePath());
    command.execute(terminal, options, environment);
    logger.info("--> output:\n{}", terminal.getOutput());
    logger.info("--> starting the replica node to test recovery");
    internalCluster().startNode(node2PathSettings);
    ensureGreen(indexName);
    for (String node : internalCluster().nodesInclude(indexName)) {
        assertHitCount(client().prepareSearch(indexName).setPreference("_only_nodes:" + node).setQuery(matchAllQuery()).get(), totalDocs);
    }
    final RecoveryResponse recoveryResponse = client().admin().indices().prepareRecoveries(indexName).setActiveOnly(false).get();
    final RecoveryState replicaRecoveryState = recoveryResponse.shardRecoveryStates().get(indexName).stream().filter(recoveryState -> recoveryState.getPrimary() == false).findFirst().get();
    // the replica translog was disabled so it doesn't know what hte global checkpoint is and thus can't do ops based recovery
    assertThat(replicaRecoveryState.getIndex().toString(), replicaRecoveryState.getIndex().recoveredFileCount(), greaterThan(0));
    // Ensure that the global checkpoint and local checkpoint are restored from the max seqno of the last commit.
    final SeqNoStats seqNoStats = getSeqNoStats(indexName, 0);
    assertThat(seqNoStats.getGlobalCheckpoint(), equalTo(seqNoStats.getMaxSeqNo()));
    assertThat(seqNoStats.getLocalCheckpoint(), equalTo(seqNoStats.getMaxSeqNo()));
}

Example 5 with SeqNoStats

use of org.opensearch.index.seqno.SeqNoStats in project OpenSearch by opensearch-project.

the class TransportClusterStatsAction method nodeOperation.

@Override
protected ClusterStatsNodeResponse nodeOperation(ClusterStatsNodeRequest nodeRequest) {
    NodeInfo nodeInfo = nodeService.info(true, true, false, true, false, true, false, true, false, false, false);
    NodeStats nodeStats = nodeService.stats(CommonStatsFlags.NONE, true, true, true, false, true, false, false, false, false, false, true, false, false, false, false);
    List<ShardStats> shardsStats = new ArrayList<>();
    for (IndexService indexService : indicesService) {
        for (IndexShard indexShard : indexService) {
            if (indexShard.routingEntry() != null && indexShard.routingEntry().active()) {
                // only report on fully started shards
                CommitStats commitStats;
                SeqNoStats seqNoStats;
                RetentionLeaseStats retentionLeaseStats;
                try {
                    commitStats = indexShard.commitStats();
                    seqNoStats = indexShard.seqNoStats();
                    retentionLeaseStats = indexShard.getRetentionLeaseStats();
                } catch (final AlreadyClosedException e) {
                    // shard is closed - no stats is fine
                    commitStats = null;
                    seqNoStats = null;
                    retentionLeaseStats = null;
                }
                shardsStats.add(new ShardStats(indexShard.routingEntry(), indexShard.shardPath(), new CommonStats(indicesService.getIndicesQueryCache(), indexShard, SHARD_STATS_FLAGS), commitStats, seqNoStats, retentionLeaseStats));
            }
        }
    }
    ClusterHealthStatus clusterStatus = null;
    if (clusterService.state().nodes().isLocalNodeElectedMaster()) {
        clusterStatus = new ClusterStateHealth(clusterService.state()).getStatus();
    }
    return new ClusterStatsNodeResponse(nodeInfo.getNode(), clusterStatus, nodeInfo, nodeStats, shardsStats.toArray(new ShardStats[shardsStats.size()]));
}