Examples with TableFileSystemView org.apache.hudi.common.table.view.TableFileSystemView used on opensource projects

Example 1 with TableFileSystemView

use of org.apache.hudi.common.table.view.TableFileSystemView in project hudi by apache.

the class HoodieClientTestHarness method validateMetadata.

/**
 * Validate the metadata tables contents to ensure it matches what is on the file system.
 */
public void validateMetadata(HoodieTestTable testTable, List<String> inflightCommits, HoodieWriteConfig writeConfig, String metadataTableBasePath, boolean doFullValidation) throws IOException {
    HoodieTableMetadata tableMetadata = metadata(writeConfig, context);
    assertNotNull(tableMetadata, "MetadataReader should have been initialized");
    if (!writeConfig.isMetadataTableEnabled()) {
        return;
    }
    if (!tableMetadata.getSyncedInstantTime().isPresent() || tableMetadata instanceof FileSystemBackedTableMetadata) {
        throw new IllegalStateException("Metadata should have synced some commits or tableMetadata should not be an instance " + "of FileSystemBackedTableMetadata");
    }
    assertEquals(inflightCommits, testTable.inflightCommits());
    HoodieTimer timer = new HoodieTimer().startTimer();
    HoodieSparkEngineContext engineContext = new HoodieSparkEngineContext(jsc);
    // Partitions should match
    List<java.nio.file.Path> fsPartitionPaths = testTable.getAllPartitionPaths();
    List<String> fsPartitions = new ArrayList<>();
    fsPartitionPaths.forEach(entry -> fsPartitions.add(entry.getFileName().toString()));
    if (fsPartitions.isEmpty()) {
        fsPartitions.add("");
    }
    List<String> metadataPartitions = tableMetadata.getAllPartitionPaths();
    Collections.sort(fsPartitions);
    Collections.sort(metadataPartitions);
    assertEquals(fsPartitions.size(), metadataPartitions.size(), "Partitions should match");
    assertEquals(fsPartitions, metadataPartitions, "Partitions should match");
    // Files within each partition should match
    metaClient = HoodieTableMetaClient.reload(metaClient);
    HoodieTable table = HoodieSparkTable.create(writeConfig, engineContext, true);
    TableFileSystemView tableView = table.getHoodieView();
    List<String> fullPartitionPaths = fsPartitions.stream().map(partition -> basePath + "/" + partition).collect(Collectors.toList());
    Map<String, FileStatus[]> partitionToFilesMap = tableMetadata.getAllFilesInPartitions(fullPartitionPaths);
    assertEquals(fsPartitions.size(), partitionToFilesMap.size());
    fsPartitions.forEach(partition -> {
        try {
            validateFilesPerPartition(testTable, tableMetadata, tableView, partitionToFilesMap, partition);
        } catch (IOException e) {
            fail("Exception should not be raised: " + e);
        }
    });
    if (doFullValidation) {
        runFullValidation(writeConfig, metadataTableBasePath, engineContext);
    }
    LOG.info("Validation time=" + timer.endTimer());
}

Example 2 with TableFileSystemView

use of org.apache.hudi.common.table.view.TableFileSystemView in project hudi by apache.

the class HoodieClientTestHarness method validateFilesPerPartition.

protected void validateFilesPerPartition(HoodieTestTable testTable, HoodieTableMetadata tableMetadata, TableFileSystemView tableView, Map<String, FileStatus[]> partitionToFilesMap, String partition) throws IOException {
    Path partitionPath;
    if (partition.equals("")) {
        // Should be the non-partitioned case
        partitionPath = new Path(basePath);
    } else {
        partitionPath = new Path(basePath, partition);
    }
    FileStatus[] fsStatuses = testTable.listAllFilesInPartition(partition);
    FileStatus[] metaStatuses = tableMetadata.getAllFilesInPartition(partitionPath);
    List<String> fsFileNames = Arrays.stream(fsStatuses).map(s -> s.getPath().getName()).collect(Collectors.toList());
    List<String> metadataFilenames = Arrays.stream(metaStatuses).map(s -> s.getPath().getName()).collect(Collectors.toList());
    Collections.sort(fsFileNames);
    Collections.sort(metadataFilenames);
    assertLinesMatch(fsFileNames, metadataFilenames);
    assertEquals(fsStatuses.length, partitionToFilesMap.get(partitionPath.toString()).length);
    // Block sizes should be valid
    Arrays.stream(metaStatuses).forEach(s -> assertTrue(s.getBlockSize() > 0));
    List<Long> fsBlockSizes = Arrays.stream(fsStatuses).map(FileStatus::getBlockSize).sorted().collect(Collectors.toList());
    List<Long> metadataBlockSizes = Arrays.stream(metaStatuses).map(FileStatus::getBlockSize).sorted().collect(Collectors.toList());
    assertEquals(fsBlockSizes, metadataBlockSizes);
    assertEquals(fsFileNames.size(), metadataFilenames.size(), "Files within partition " + partition + " should match");
    assertEquals(fsFileNames, metadataFilenames, "Files within partition " + partition + " should match");
    // FileSystemView should expose the same data
    List<HoodieFileGroup> fileGroups = tableView.getAllFileGroups(partition).collect(Collectors.toList());
    fileGroups.addAll(tableView.getAllReplacedFileGroups(partition).collect(Collectors.toList()));
    fileGroups.forEach(g -> LogManager.getLogger(getClass()).info(g));
    fileGroups.forEach(g -> g.getAllBaseFiles().forEach(b -> LogManager.getLogger(getClass()).info(b)));
    fileGroups.forEach(g -> g.getAllFileSlices().forEach(s -> LogManager.getLogger(getClass()).info(s)));
    long numFiles = fileGroups.stream().mapToLong(g -> g.getAllBaseFiles().count() + g.getAllFileSlices().mapToLong(s -> s.getLogFiles().count()).sum()).sum();
    assertEquals(metadataFilenames.size(), numFiles);
}

Example 3 with TableFileSystemView

use of org.apache.hudi.common.table.view.TableFileSystemView in project hudi by apache.

the class TestHoodieBackedMetadata method validateMetadata.

private void validateMetadata(SparkRDDWriteClient testClient) throws IOException {
    HoodieWriteConfig config = testClient.getConfig();
    SparkRDDWriteClient client;
    if (config.isEmbeddedTimelineServerEnabled()) {
        testClient.close();
        client = new SparkRDDWriteClient(testClient.getEngineContext(), testClient.getConfig());
    } else {
        client = testClient;
    }
    HoodieTableMetadata tableMetadata = metadata(client);
    assertNotNull(tableMetadata, "MetadataReader should have been initialized");
    if (!config.isMetadataTableEnabled()) {
        return;
    }
    HoodieTimer timer = new HoodieTimer().startTimer();
    HoodieSparkEngineContext engineContext = new HoodieSparkEngineContext(jsc);
    // Partitions should match
    FileSystemBackedTableMetadata fsBackedTableMetadata = new FileSystemBackedTableMetadata(engineContext, new SerializableConfiguration(hadoopConf), config.getBasePath(), config.shouldAssumeDatePartitioning());
    List<String> fsPartitions = fsBackedTableMetadata.getAllPartitionPaths();
    List<String> metadataPartitions = tableMetadata.getAllPartitionPaths();
    Collections.sort(fsPartitions);
    Collections.sort(metadataPartitions);
    assertEquals(fsPartitions.size(), metadataPartitions.size(), "Partitions should match");
    assertTrue(fsPartitions.equals(metadataPartitions), "Partitions should match");
    // Files within each partition should match
    metaClient = HoodieTableMetaClient.reload(metaClient);
    HoodieTable table = HoodieSparkTable.create(config, engineContext);
    TableFileSystemView tableView = table.getHoodieView();
    List<String> fullPartitionPaths = fsPartitions.stream().map(partition -> basePath + "/" + partition).collect(Collectors.toList());
    Map<String, FileStatus[]> partitionToFilesMap = tableMetadata.getAllFilesInPartitions(fullPartitionPaths);
    assertEquals(fsPartitions.size(), partitionToFilesMap.size());
    fsPartitions.forEach(partition -> {
        try {
            Path partitionPath;
            if (partition.equals("")) {
                // Should be the non-partitioned case
                partitionPath = new Path(basePath);
            } else {
                partitionPath = new Path(basePath, partition);
            }
            FileStatus[] fsStatuses = FSUtils.getAllDataFilesInPartition(fs, partitionPath);
            FileStatus[] metaStatuses = tableMetadata.getAllFilesInPartition(partitionPath);
            List<String> fsFileNames = Arrays.stream(fsStatuses).map(s -> s.getPath().getName()).collect(Collectors.toList());
            List<String> metadataFilenames = Arrays.stream(metaStatuses).map(s -> s.getPath().getName()).collect(Collectors.toList());
            Collections.sort(fsFileNames);
            Collections.sort(metadataFilenames);
            assertEquals(fsStatuses.length, partitionToFilesMap.get(partitionPath.toString()).length);
            // File sizes should be valid
            Arrays.stream(metaStatuses).forEach(s -> assertTrue(s.getLen() > 0));
            if ((fsFileNames.size() != metadataFilenames.size()) || (!fsFileNames.equals(metadataFilenames))) {
                LOG.info("*** File system listing = " + Arrays.toString(fsFileNames.toArray()));
                LOG.info("*** Metadata listing = " + Arrays.toString(metadataFilenames.toArray()));
                for (String fileName : fsFileNames) {
                    if (!metadataFilenames.contains(fileName)) {
                        LOG.error(partition + "FsFilename " + fileName + " not found in Meta data");
                    }
                }
                for (String fileName : metadataFilenames) {
                    if (!fsFileNames.contains(fileName)) {
                        LOG.error(partition + "Metadata file " + fileName + " not found in original FS");
                    }
                }
            }
            // Block sizes should be valid
            Arrays.stream(metaStatuses).forEach(s -> assertTrue(s.getBlockSize() > 0));
            List<Long> fsBlockSizes = Arrays.stream(fsStatuses).map(FileStatus::getBlockSize).collect(Collectors.toList());
            Collections.sort(fsBlockSizes);
            List<Long> metadataBlockSizes = Arrays.stream(metaStatuses).map(FileStatus::getBlockSize).collect(Collectors.toList());
            Collections.sort(metadataBlockSizes);
            assertEquals(fsBlockSizes, metadataBlockSizes);
            assertEquals(fsFileNames.size(), metadataFilenames.size(), "Files within partition " + partition + " should match");
            assertTrue(fsFileNames.equals(metadataFilenames), "Files within partition " + partition + " should match");
            // FileSystemView should expose the same data
            List<HoodieFileGroup> fileGroups = tableView.getAllFileGroups(partition).collect(Collectors.toList());
            fileGroups.addAll(tableView.getAllReplacedFileGroups(partition).collect(Collectors.toList()));
            fileGroups.forEach(g -> LogManager.getLogger(TestHoodieBackedMetadata.class).info(g));
            fileGroups.forEach(g -> g.getAllBaseFiles().forEach(b -> LogManager.getLogger(TestHoodieBackedMetadata.class).info(b)));
            fileGroups.forEach(g -> g.getAllFileSlices().forEach(s -> LogManager.getLogger(TestHoodieBackedMetadata.class).info(s)));
            long numFiles = fileGroups.stream().mapToLong(g -> g.getAllBaseFiles().count() + g.getAllFileSlices().mapToLong(s -> s.getLogFiles().count()).sum()).sum();
            assertEquals(metadataFilenames.size(), numFiles);
        } catch (IOException e) {
            e.printStackTrace();
            assertTrue(false, "Exception should not be raised: " + e);
        }
    });
    HoodieBackedTableMetadataWriter metadataWriter = metadataWriter(client);
    assertNotNull(metadataWriter, "MetadataWriter should have been initialized");
    // Validate write config for metadata table
    HoodieWriteConfig metadataWriteConfig = metadataWriter.getWriteConfig();
    assertFalse(metadataWriteConfig.isMetadataTableEnabled(), "No metadata table for metadata table");
    // Metadata table should be in sync with the dataset
    HoodieTableMetaClient metadataMetaClient = HoodieTableMetaClient.builder().setConf(hadoopConf).setBasePath(metadataTableBasePath).build();
    // Metadata table is MOR
    assertEquals(metadataMetaClient.getTableType(), HoodieTableType.MERGE_ON_READ, "Metadata Table should be MOR");
    // Metadata table is HFile format
    assertEquals(metadataMetaClient.getTableConfig().getBaseFileFormat(), HoodieFileFormat.HFILE, "Metadata Table base file format should be HFile");
    // Metadata table has a fixed number of partitions
    // Cannot use FSUtils.getAllFoldersWithPartitionMetaFile for this as that function filters all directory
    // in the .hoodie folder.
    List<String> metadataTablePartitions = FSUtils.getAllPartitionPaths(engineContext, HoodieTableMetadata.getMetadataTableBasePath(basePath), false, false);
    assertEquals(metadataWriter.getEnabledPartitionTypes().size(), metadataTablePartitions.size());
    final Map<String, MetadataPartitionType> metadataEnabledPartitionTypes = new HashMap<>();
    metadataWriter.getEnabledPartitionTypes().forEach(e -> metadataEnabledPartitionTypes.put(e.getPartitionPath(), e));
    // Metadata table should automatically compact and clean
    // versions are +1 as autoclean / compaction happens end of commits
    int numFileVersions = metadataWriteConfig.getCleanerFileVersionsRetained() + 1;
    HoodieTableFileSystemView fsView = new HoodieTableFileSystemView(metadataMetaClient, metadataMetaClient.getActiveTimeline());
    metadataTablePartitions.forEach(partition -> {
        List<FileSlice> latestSlices = fsView.getLatestFileSlices(partition).collect(Collectors.toList());
        assertTrue(latestSlices.stream().map(FileSlice::getBaseFile).count() <= metadataEnabledPartitionTypes.get(partition).getFileGroupCount(), "Should have a single latest base file per file group");
        assertTrue(latestSlices.size() <= metadataEnabledPartitionTypes.get(partition).getFileGroupCount(), "Should have a single latest file slice per file group");
        assertTrue(latestSlices.size() <= (numFileVersions * metadataEnabledPartitionTypes.get(partition).getFileGroupCount()), "Should limit file slice to " + numFileVersions + " per file group, but was " + latestSlices.size());
    });
    LOG.info("Validation time=" + timer.endTimer());
}

Example 4 with TableFileSystemView

use of org.apache.hudi.common.table.view.TableFileSystemView in project hudi by apache.

the class TestHoodieBackedTableMetadata method verifyBaseMetadataTable.

private void verifyBaseMetadataTable() throws IOException {
    HoodieBackedTableMetadata tableMetadata = new HoodieBackedTableMetadata(context, writeConfig.getMetadataConfig(), writeConfig.getBasePath(), writeConfig.getSpillableMapBasePath(), false);
    assertTrue(tableMetadata.enabled());
    List<java.nio.file.Path> fsPartitionPaths = testTable.getAllPartitionPaths();
    List<String> fsPartitions = new ArrayList<>();
    fsPartitionPaths.forEach(entry -> fsPartitions.add(entry.getFileName().toString()));
    List<String> metadataPartitions = tableMetadata.getAllPartitionPaths();
    Collections.sort(fsPartitions);
    Collections.sort(metadataPartitions);
    assertEquals(fsPartitions.size(), metadataPartitions.size(), "Partitions should match");
    assertEquals(fsPartitions, metadataPartitions, "Partitions should match");
    // Files within each partition should match
    HoodieTable table = HoodieSparkTable.create(writeConfig, context, true);
    TableFileSystemView tableView = table.getHoodieView();
    List<String> fullPartitionPaths = fsPartitions.stream().map(partition -> basePath + "/" + partition).collect(Collectors.toList());
    Map<String, FileStatus[]> partitionToFilesMap = tableMetadata.getAllFilesInPartitions(fullPartitionPaths);
    assertEquals(fsPartitions.size(), partitionToFilesMap.size());
    fsPartitions.forEach(partition -> {
        try {
            validateFilesPerPartition(testTable, tableMetadata, tableView, partitionToFilesMap, partition);
        } catch (IOException e) {
            fail("Exception should not be raised: " + e);
        }
    });
}

Example 5 with TableFileSystemView

use of org.apache.hudi.common.table.view.TableFileSystemView in project hudi by apache.

the class TestCleaner method testInsertAndCleanByCommits.

/**
 * Test Helper for Cleaning by versions logic from HoodieWriteClient API perspective.
 *
 * @param insertFn Insert API to be tested
 * @param upsertFn Upsert API to be tested
 * @param isPreppedAPI Flag to indicate if a prepped-version is used. If true, a wrapper function will be used during
 *        record generation to also tag the regards (de-dupe is implicit as we use unique record-gen APIs)
 * @throws Exception in case of errors
 */
private void testInsertAndCleanByCommits(Function3<JavaRDD<WriteStatus>, SparkRDDWriteClient, JavaRDD<HoodieRecord>, String> insertFn, Function3<JavaRDD<WriteStatus>, SparkRDDWriteClient, JavaRDD<HoodieRecord>, String> upsertFn, boolean isPreppedAPI) throws Exception {
    // keep upto 3 commits from the past
    int maxCommits = 3;
    HoodieWriteConfig cfg = getConfigBuilder().withCompactionConfig(HoodieCompactionConfig.newBuilder().withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS).retainCommits(maxCommits).build()).withParallelism(1, 1).withBulkInsertParallelism(1).withFinalizeWriteParallelism(1).withDeleteParallelism(1).withConsistencyGuardConfig(ConsistencyGuardConfig.newBuilder().withConsistencyCheckEnabled(true).build()).build();
    SparkRDDWriteClient client = getHoodieWriteClient(cfg);
    final Function2<List<HoodieRecord>, String, Integer> recordInsertGenWrappedFunction = generateWrapRecordsFn(isPreppedAPI, cfg, dataGen::generateInserts);
    final Function2<List<HoodieRecord>, String, Integer> recordUpsertGenWrappedFunction = generateWrapRecordsFn(isPreppedAPI, cfg, dataGen::generateUniqueUpdates);
    insertFirstBigBatchForClientCleanerTest(cfg, client, recordInsertGenWrappedFunction, insertFn, HoodieCleaningPolicy.KEEP_LATEST_COMMITS);
    // Keep doing some writes and clean inline. Make sure we have expected number of files remaining.
    makeIncrementalCommitTimes(8).forEach(newCommitTime -> {
        try {
            client.startCommitWithTime(newCommitTime);
            List<HoodieRecord> records = recordUpsertGenWrappedFunction.apply(newCommitTime, 100);
            List<WriteStatus> statuses = upsertFn.apply(client, jsc.parallelize(records, 1), newCommitTime).collect();
            // Verify there are no errors
            assertNoWriteErrors(statuses);
            metaClient = HoodieTableMetaClient.reload(metaClient);
            HoodieTable table1 = HoodieSparkTable.create(cfg, context, metaClient);
            HoodieTimeline activeTimeline = table1.getCompletedCommitsTimeline();
            // NOTE: See CleanPlanner#getFilesToCleanKeepingLatestCommits. We explicitly keep one commit before earliest
            // commit
            Option<HoodieInstant> earliestRetainedCommit = activeTimeline.nthFromLastInstant(maxCommits);
            Set<HoodieInstant> acceptableCommits = activeTimeline.getInstants().collect(Collectors.toSet());
            if (earliestRetainedCommit.isPresent()) {
                acceptableCommits.removeAll(activeTimeline.findInstantsInRange("000", earliestRetainedCommit.get().getTimestamp()).getInstants().collect(Collectors.toSet()));
                acceptableCommits.add(earliestRetainedCommit.get());
            }
            TableFileSystemView fsView = table1.getFileSystemView();
            // Need to ensure the following
            for (String partitionPath : dataGen.getPartitionPaths()) {
                List<HoodieFileGroup> fileGroups = fsView.getAllFileGroups(partitionPath).collect(Collectors.toList());
                for (HoodieFileGroup fileGroup : fileGroups) {
                    Set<String> commitTimes = new HashSet<>();
                    fileGroup.getAllBaseFiles().forEach(value -> {
                        LOG.debug("Data File - " + value);
                        commitTimes.add(value.getCommitTime());
                    });
                    assertEquals(acceptableCommits.stream().map(HoodieInstant::getTimestamp).collect(Collectors.toSet()), commitTimes, "Only contain acceptable versions of file should be present");
                }
            }
        } catch (IOException ioe) {
            throw new RuntimeException(ioe);
        }
    });
}