Examples with SparkRDDWriteClient org.apache.hudi.client.SparkRDDWriteClient used on opensource projects

Example 16 with SparkRDDWriteClient

use of org.apache.hudi.client.SparkRDDWriteClient in project hudi by apache.

the class TestHoodieSparkMergeOnReadTableIncrementalRead method testIncrementalReadsWithCompaction.

// test incremental read does not go past compaction instant for RO views
// For RT views, incremental read can go past compaction
@Test
public void testIncrementalReadsWithCompaction() throws Exception {
    // use only one partition for this test
    final String partitionPath = "2020/02/20";
    final HoodieTestDataGenerator dataGen = new HoodieTestDataGenerator(new String[] { partitionPath });
    Properties props = new Properties();
    props.setProperty(HoodieTableConfig.BASE_FILE_FORMAT.key(), HoodieFileFormat.PARQUET.toString());
    HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ, props);
    HoodieWriteConfig cfg = getConfigBuilder(true).build();
    try (SparkRDDWriteClient client = getHoodieWriteClient(cfg)) {
        /*
       * Write 1 (only inserts)
       */
        String commitTime1 = "001";
        client.startCommitWithTime(commitTime1);
        List<HoodieRecord> records001 = dataGen.generateInserts(commitTime1, 200);
        Stream<HoodieBaseFile> dataFiles = insertRecordsToMORTable(metaClient, records001, client, cfg, commitTime1);
        assertTrue(dataFiles.findAny().isPresent(), "should list the base files we wrote in the delta commit");
        // verify only one base file shows up with commit time 001
        FileStatus[] snapshotROFiles = getROSnapshotFiles(partitionPath);
        validateFiles(partitionPath, 1, snapshotROFiles, false, roSnapshotJobConf, 200, commitTime1);
        FileStatus[] incrementalROFiles = getROIncrementalFiles(partitionPath, true);
        validateFiles(partitionPath, 1, incrementalROFiles, false, roJobConf, 200, commitTime1);
        Path firstFilePath = incrementalROFiles[0].getPath();
        FileStatus[] incrementalRTFiles = getRTIncrementalFiles(partitionPath);
        validateFiles(partitionPath, 1, incrementalRTFiles, true, rtJobConf, 200, commitTime1);
        assertEquals(firstFilePath, incrementalRTFiles[0].getPath());
        /*
       * Write 2 (updates)
       */
        String updateTime = "004";
        client.startCommitWithTime(updateTime);
        List<HoodieRecord> records004 = dataGen.generateUpdates(updateTime, 100);
        updateRecordsInMORTable(metaClient, records004, client, cfg, updateTime, false);
        // verify RO incremental reads - only one base file shows up because updates to into log files
        incrementalROFiles = getROIncrementalFiles(partitionPath, false);
        validateFiles(partitionPath, 1, incrementalROFiles, false, roJobConf, 200, commitTime1);
        assertEquals(firstFilePath, incrementalROFiles[0].getPath());
        // verify RT incremental reads includes updates also
        incrementalRTFiles = getRTIncrementalFiles(partitionPath);
        validateFiles(partitionPath, 1, incrementalRTFiles, true, rtJobConf, 200, commitTime1, updateTime);
        // request compaction, but do not perform compaction
        String compactionCommitTime = "005";
        client.scheduleCompactionAtInstant("005", Option.empty());
        // verify RO incremental reads - only one base file shows up because updates go into log files
        incrementalROFiles = getROIncrementalFiles(partitionPath, true);
        validateFiles(partitionPath, 1, incrementalROFiles, false, roJobConf, 200, commitTime1);
        // verify RT incremental reads includes updates also
        incrementalRTFiles = getRTIncrementalFiles(partitionPath);
        validateFiles(partitionPath, 1, incrementalRTFiles, true, rtJobConf, 200, commitTime1, updateTime);
        // write 3 - more inserts
        String insertsTime = "006";
        List<HoodieRecord> records006 = dataGen.generateInserts(insertsTime, 200);
        client.startCommitWithTime(insertsTime);
        dataFiles = insertRecordsToMORTable(metaClient, records006, client, cfg, insertsTime);
        assertTrue(dataFiles.findAny().isPresent(), "should list the base files we wrote in the delta commit");
        // verify new write shows up in snapshot mode even though there is pending compaction
        snapshotROFiles = getROSnapshotFiles(partitionPath);
        validateFiles(partitionPath, 2, snapshotROFiles, false, roSnapshotJobConf, 400, commitTime1, insertsTime);
        incrementalROFiles = getROIncrementalFiles(partitionPath, true);
        assertEquals(firstFilePath, incrementalROFiles[0].getPath());
        // verify 006 does not show up in RO mode because of pending compaction
        validateFiles(partitionPath, 1, incrementalROFiles, false, roJobConf, 200, commitTime1);
        // verify that if stopAtCompaction is disabled, inserts from "insertsTime" show up
        incrementalROFiles = getROIncrementalFiles(partitionPath, false);
        validateFiles(partitionPath, 2, incrementalROFiles, false, roJobConf, 400, commitTime1, insertsTime);
        // verify 006 shows up in RT views
        incrementalRTFiles = getRTIncrementalFiles(partitionPath);
        validateFiles(partitionPath, 2, incrementalRTFiles, true, rtJobConf, 400, commitTime1, updateTime, insertsTime);
        // perform the scheduled compaction
        client.compact(compactionCommitTime);
        // verify new write shows up in snapshot mode after compaction is complete
        snapshotROFiles = getROSnapshotFiles(partitionPath);
        validateFiles(partitionPath, 2, snapshotROFiles, false, roSnapshotJobConf, 400, commitTime1, compactionCommitTime, insertsTime);
        incrementalROFiles = getROIncrementalFiles(partitionPath, "002", -1, true);
        assertTrue(incrementalROFiles.length == 2);
        // verify 006 shows up because of pending compaction
        validateFiles(partitionPath, 2, incrementalROFiles, false, roJobConf, 400, commitTime1, compactionCommitTime, insertsTime);
    }
}

Example 17 with SparkRDDWriteClient

use of org.apache.hudi.client.SparkRDDWriteClient in project hudi by apache.

the class TestHoodieSparkMergeOnReadTableInsertUpdateDelete method testSimpleInsertsGeneratedIntoLogFiles.

@Test
public void testSimpleInsertsGeneratedIntoLogFiles() throws Exception {
    // insert 100 records
    // Setting IndexType to be InMemory to simulate Global Index nature
    HoodieWriteConfig config = getConfigBuilder(false, HoodieIndex.IndexType.INMEMORY).build();
    Properties properties = new Properties();
    properties.setProperty(HoodieTableConfig.BASE_FILE_FORMAT.key(), HoodieTableConfig.BASE_FILE_FORMAT.defaultValue().toString());
    HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ, properties);
    try (SparkRDDWriteClient writeClient = getHoodieWriteClient(config)) {
        String newCommitTime = "100";
        writeClient.startCommitWithTime(newCommitTime);
        HoodieTestDataGenerator dataGen = new HoodieTestDataGenerator();
        List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 100);
        JavaRDD<HoodieRecord> recordsRDD = jsc().parallelize(records, 1);
        JavaRDD<WriteStatus> statuses = writeClient.insert(recordsRDD, newCommitTime);
        writeClient.commit(newCommitTime, statuses);
        HoodieTable table = HoodieSparkTable.create(config, context(), metaClient);
        table.getHoodieView().sync();
        TableFileSystemView.SliceView tableRTFileSystemView = table.getSliceView();
        long numLogFiles = 0;
        for (String partitionPath : dataGen.getPartitionPaths()) {
            List<FileSlice> allSlices = tableRTFileSystemView.getLatestFileSlices(partitionPath).collect(Collectors.toList());
            assertEquals(0, allSlices.stream().filter(fileSlice -> fileSlice.getBaseFile().isPresent()).count());
            assertTrue(allSlices.stream().anyMatch(fileSlice -> fileSlice.getLogFiles().count() > 0));
            long logFileCount = allSlices.stream().filter(fileSlice -> fileSlice.getLogFiles().count() > 0).count();
            if (logFileCount > 0) {
                // check the log versions start from the base version
                assertTrue(allSlices.stream().map(slice -> slice.getLogFiles().findFirst().get().getLogVersion()).allMatch(version -> version.equals(HoodieLogFile.LOGFILE_BASE_VERSION)));
            }
            numLogFiles += logFileCount;
        }
        assertTrue(numLogFiles > 0);
        // Do a compaction
        String instantTime = writeClient.scheduleCompaction(Option.empty()).get().toString();
        HoodieWriteMetadata<JavaRDD<WriteStatus>> compactionMetadata = writeClient.compact(instantTime);
        String extension = table.getBaseFileExtension();
        Collection<List<HoodieWriteStat>> stats = compactionMetadata.getCommitMetadata().get().getPartitionToWriteStats().values();
        assertEquals(numLogFiles, stats.stream().flatMap(Collection::stream).filter(state -> state.getPath().contains(extension)).count());
        assertEquals(numLogFiles, stats.stream().mapToLong(Collection::size).sum());
        writeClient.commitCompaction(instantTime, compactionMetadata.getCommitMetadata().get(), Option.empty());
    }
}

Example 18 with SparkRDDWriteClient

use of org.apache.hudi.client.SparkRDDWriteClient in project hudi by apache.

the class TestHoodieSparkMergeOnReadTableInsertUpdateDelete method testSimpleInsertUpdateAndDelete.

@ParameterizedTest
@ValueSource(booleans = { true, false })
public void testSimpleInsertUpdateAndDelete(boolean populateMetaFields) throws Exception {
    Properties properties = populateMetaFields ? new Properties() : getPropertiesForKeyGen();
    properties.setProperty(HoodieTableConfig.BASE_FILE_FORMAT.key(), HoodieTableConfig.BASE_FILE_FORMAT.defaultValue().toString());
    HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ, properties);
    HoodieWriteConfig.Builder cfgBuilder = getConfigBuilder(true);
    addConfigsForPopulateMetaFields(cfgBuilder, populateMetaFields);
    HoodieWriteConfig cfg = cfgBuilder.build();
    try (SparkRDDWriteClient client = getHoodieWriteClient(cfg)) {
        HoodieTestDataGenerator dataGen = new HoodieTestDataGenerator();
        /*
       * Write 1 (only inserts, written as base file)
       */
        String newCommitTime = "001";
        client.startCommitWithTime(newCommitTime);
        List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 20);
        JavaRDD<HoodieRecord> writeRecords = jsc().parallelize(records, 1);
        List<WriteStatus> statuses = client.upsert(writeRecords, newCommitTime).collect();
        assertNoWriteErrors(statuses);
        HoodieTable hoodieTable = HoodieSparkTable.create(cfg, context(), metaClient);
        Option<HoodieInstant> deltaCommit = metaClient.getActiveTimeline().getDeltaCommitTimeline().firstInstant();
        assertTrue(deltaCommit.isPresent());
        assertEquals("001", deltaCommit.get().getTimestamp(), "Delta commit should be 001");
        Option<HoodieInstant> commit = metaClient.getActiveTimeline().getCommitTimeline().firstInstant();
        assertFalse(commit.isPresent());
        FileStatus[] allFiles = listAllBaseFilesInPath(hoodieTable);
        HoodieTableFileSystemView tableView = getHoodieTableFileSystemView(metaClient, metaClient.getCommitTimeline().filterCompletedInstants(), allFiles);
        Stream<HoodieBaseFile> dataFilesToRead = tableView.getLatestBaseFiles();
        assertFalse(dataFilesToRead.findAny().isPresent());
        tableView = getHoodieTableFileSystemView(metaClient, hoodieTable.getCompletedCommitsTimeline(), allFiles);
        dataFilesToRead = tableView.getLatestBaseFiles();
        assertTrue(dataFilesToRead.findAny().isPresent(), "should list the base files we wrote in the delta commit");
        /*
       * Write 2 (only updates, written to .log file)
       */
        newCommitTime = "002";
        client.startCommitWithTime(newCommitTime);
        records = dataGen.generateUpdates(newCommitTime, records);
        writeRecords = jsc().parallelize(records, 1);
        statuses = client.upsert(writeRecords, newCommitTime).collect();
        assertNoWriteErrors(statuses);
        /*
       * Write 2 (only deletes, written to .log file)
       */
        newCommitTime = "004";
        client.startCommitWithTime(newCommitTime);
        List<HoodieRecord> fewRecordsForDelete = dataGen.generateDeletesFromExistingRecords(records);
        statuses = client.upsert(jsc().parallelize(fewRecordsForDelete, 1), newCommitTime).collect();
        // Verify there are no errors
        assertNoWriteErrors(statuses);
        metaClient = HoodieTableMetaClient.reload(metaClient);
        deltaCommit = metaClient.getActiveTimeline().getDeltaCommitTimeline().lastInstant();
        assertTrue(deltaCommit.isPresent());
        assertEquals("004", deltaCommit.get().getTimestamp(), "Latest Delta commit should be 004");
        commit = metaClient.getActiveTimeline().getCommitTimeline().firstInstant();
        assertFalse(commit.isPresent());
        allFiles = listAllBaseFilesInPath(hoodieTable);
        tableView = getHoodieTableFileSystemView(metaClient, hoodieTable.getCompletedCommitsTimeline(), allFiles);
        dataFilesToRead = tableView.getLatestBaseFiles();
        assertTrue(dataFilesToRead.findAny().isPresent());
        List<String> inputPaths = tableView.getLatestBaseFiles().map(baseFile -> new Path(baseFile.getPath()).getParent().toString()).collect(Collectors.toList());
        List<GenericRecord> recordsRead = HoodieMergeOnReadTestUtils.getRecordsUsingInputFormat(hadoopConf(), inputPaths, basePath(), new JobConf(hadoopConf()), true, populateMetaFields);
        // Wrote 20 records and deleted 20 records, so remaining 20-20 = 0
        assertEquals(0, recordsRead.size(), "Must contain 0 records");
    }
}

Example 19 with SparkRDDWriteClient

use of org.apache.hudi.client.SparkRDDWriteClient in project hudi by apache.

the class TestHoodieSparkMergeOnReadTableRollback method testInsertsGeneratedIntoLogFilesRollback.

@ParameterizedTest
@ValueSource(booleans = { true, false })
void testInsertsGeneratedIntoLogFilesRollback(boolean rollbackUsingMarkers) throws Exception {
    Properties properties = new Properties();
    properties.setProperty(HoodieTableConfig.BASE_FILE_FORMAT.key(), HoodieTableConfig.BASE_FILE_FORMAT.defaultValue().toString());
    HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ, properties);
    HoodieTestDataGenerator dataGen = new HoodieTestDataGenerator();
    // insert 100 records
    // Setting IndexType to be InMemory to simulate Global Index nature
    HoodieWriteConfig config = getConfigBuilder(false, rollbackUsingMarkers, HoodieIndex.IndexType.INMEMORY).build();
    try (SparkRDDWriteClient writeClient = getHoodieWriteClient(config)) {
        String newCommitTime = "100";
        writeClient.startCommitWithTime(newCommitTime);
        List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 100);
        JavaRDD<HoodieRecord> recordsRDD = jsc().parallelize(records, 1);
        // trigger an action
        List<WriteStatus> writeStatuses = ((JavaRDD<WriteStatus>) writeClient.insert(recordsRDD, newCommitTime)).collect();
        // Ensure that inserts are written to only log files
        assertEquals(0, writeStatuses.stream().filter(writeStatus -> !writeStatus.getStat().getPath().contains("log")).count());
        assertTrue(writeStatuses.stream().anyMatch(writeStatus -> writeStatus.getStat().getPath().contains("log")));
        // rollback a failed commit
        boolean rollback = writeClient.rollback(newCommitTime);
        assertTrue(rollback);
        // insert 100 records
        newCommitTime = "101";
        writeClient.startCommitWithTime(newCommitTime);
        records = dataGen.generateInserts(newCommitTime, 100);
        recordsRDD = jsc().parallelize(records, 1);
        writeClient.insert(recordsRDD, newCommitTime).collect();
        // Sleep for small interval (at least 1 second) to force a new rollback start time.
        Thread.sleep(1000);
        // We will test HUDI-204 here. We will simulate rollback happening twice by copying the commit file to local fs
        // and calling rollback twice
        final String lastCommitTime = newCommitTime;
        // Save the .commit file to local directory.
        // Rollback will be called twice to test the case where rollback failed first time and retried.
        // We got the "BaseCommitTime cannot be null" exception before the fix
        java.nio.file.Path tempFolder = Files.createTempDirectory(this.getClass().getCanonicalName());
        Map<String, String> fileNameMap = new HashMap<>();
        for (HoodieInstant.State state : Arrays.asList(HoodieInstant.State.REQUESTED, HoodieInstant.State.INFLIGHT)) {
            HoodieInstant toCopy = new HoodieInstant(state, HoodieTimeline.DELTA_COMMIT_ACTION, lastCommitTime);
            File file = Files.createTempFile(tempFolder, null, null).toFile();
            metaClient.getFs().copyToLocalFile(new Path(metaClient.getMetaPath(), toCopy.getFileName()), new Path(file.getAbsolutePath()));
            fileNameMap.put(file.getAbsolutePath(), toCopy.getFileName());
        }
        Path markerDir = new Path(Files.createTempDirectory(tempFolder, null).toAbsolutePath().toString());
        if (rollbackUsingMarkers) {
            metaClient.getFs().copyToLocalFile(new Path(metaClient.getMarkerFolderPath(lastCommitTime)), markerDir);
        }
        writeClient.rollback(newCommitTime);
        metaClient = HoodieTableMetaClient.reload(metaClient);
        HoodieTable table = HoodieSparkTable.create(config, context());
        TableFileSystemView.SliceView tableRTFileSystemView = table.getSliceView();
        long numLogFiles = 0;
        for (String partitionPath : dataGen.getPartitionPaths()) {
            assertTrue(tableRTFileSystemView.getLatestFileSlices(partitionPath).noneMatch(fileSlice -> fileSlice.getBaseFile().isPresent()));
            assertTrue(tableRTFileSystemView.getLatestFileSlices(partitionPath).noneMatch(fileSlice -> fileSlice.getLogFiles().count() > 0));
            numLogFiles += tableRTFileSystemView.getLatestFileSlices(partitionPath).filter(fileSlice -> fileSlice.getLogFiles().count() > 0).count();
        }
        assertEquals(0, numLogFiles);
        for (Map.Entry<String, String> entry : fileNameMap.entrySet()) {
            try {
                metaClient.getFs().copyFromLocalFile(new Path(entry.getKey()), new Path(metaClient.getMetaPath(), entry.getValue()));
            } catch (IOException e) {
                throw new HoodieIOException("Error copying state from local disk.", e);
            }
        }
        if (rollbackUsingMarkers) {
            metaClient.getFs().copyFromLocalFile(new Path(markerDir, lastCommitTime), new Path(metaClient.getMarkerFolderPath(lastCommitTime)));
        }
        Thread.sleep(1000);
        // Rollback again to pretend the first rollback failed partially. This should not error out
        writeClient.rollback(newCommitTime);
    }
}

Example 20 with SparkRDDWriteClient

use of org.apache.hudi.client.SparkRDDWriteClient in project hudi by apache.

the class TestHoodieSparkMergeOnReadTableRollback method testCOWToMORConvertedTableRollback.

@ParameterizedTest
@ValueSource(booleans = { true, false })
void testCOWToMORConvertedTableRollback(boolean rollbackUsingMarkers) throws Exception {
    // Set TableType to COW
    HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.COPY_ON_WRITE);
    HoodieWriteConfig cfg = getConfig(false, rollbackUsingMarkers);
    try (SparkRDDWriteClient client = getHoodieWriteClient(cfg)) {
        HoodieTestDataGenerator dataGen = new HoodieTestDataGenerator();
        /*
       * Write 1 (only inserts)
       */
        String newCommitTime = "001";
        client.startCommitWithTime(newCommitTime);
        List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 200);
        JavaRDD<HoodieRecord> writeRecords = jsc().parallelize(records, 1);
        List<WriteStatus> statuses = client.upsert(writeRecords, newCommitTime).collect();
        // verify there are no errors
        assertNoWriteErrors(statuses);
        client.commit(newCommitTime, jsc().parallelize(statuses));
        metaClient = HoodieTableMetaClient.reload(metaClient);
        Option<HoodieInstant> commit = metaClient.getActiveTimeline().getCommitTimeline().firstInstant();
        assertTrue(commit.isPresent());
        assertEquals("001", commit.get().getTimestamp(), "commit should be 001");
        /*
       * Write 2 (updates)
       */
        newCommitTime = "002";
        client.startCommitWithTime(newCommitTime);
        records = dataGen.generateUpdates(newCommitTime, records);
        statuses = client.upsert(jsc().parallelize(records, 1), newCommitTime).collect();
        // Verify there are no errors
        assertNoWriteErrors(statuses);
        // Set TableType to MOR
        metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ);
        // rollback a COW commit when TableType is MOR
        client.rollback(newCommitTime);
        metaClient = HoodieTableMetaClient.reload(metaClient);
        HoodieTable hoodieTable = HoodieSparkTable.create(cfg, context(), metaClient);
        FileStatus[] allFiles = listAllBaseFilesInPath(hoodieTable);
        HoodieTableFileSystemView tableView = getHoodieTableFileSystemView(metaClient, hoodieTable.getCompletedCommitsTimeline(), allFiles);
        final String absentCommit = newCommitTime;
        assertAll(tableView.getLatestBaseFiles().map(file -> () -> assertNotEquals(absentCommit, file.getCommitTime())));
    }
}