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

Example 6 with HoodieTableFileSystemView

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

the class CompactionAdminClient method repairCompaction.

/**
 * Renames delta files to make file-slices consistent with the timeline as dictated by Hoodie metadata. Use when
 * compaction unschedule fails partially.
 *
 * This operation MUST be executed with compactions and writer turned OFF.
 *
 * @param compactionInstant Compaction Instant to be repaired
 * @param dryRun Dry Run Mode
 */
public List<RenameOpResult> repairCompaction(String compactionInstant, int parallelism, boolean dryRun) throws Exception {
    HoodieTableMetaClient metaClient = createMetaClient(false);
    List<ValidationOpResult> validationResults = validateCompactionPlan(metaClient, compactionInstant, parallelism);
    List<ValidationOpResult> failed = validationResults.stream().filter(v -> !v.isSuccess()).collect(Collectors.toList());
    if (failed.isEmpty()) {
        return new ArrayList<>();
    }
    final HoodieTableFileSystemView fsView = new HoodieTableFileSystemView(metaClient, metaClient.getCommitsAndCompactionTimeline());
    List<Pair<HoodieLogFile, HoodieLogFile>> renameActions = failed.stream().flatMap(v -> getRenamingActionsToAlignWithCompactionOperation(metaClient, compactionInstant, v.getOperation(), Option.of(fsView)).stream()).collect(Collectors.toList());
    return runRenamingOps(metaClient, renameActions, parallelism, dryRun);
}

Example 7 with HoodieTableFileSystemView

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

the class CompactionAdminClient method validateCompactionOperation.

/**
 * Check if a compaction operation is valid.
 *
 * @param metaClient Hoodie Table Meta client
 * @param compactionInstant Compaction Instant
 * @param operation Compaction Operation
 * @param fsViewOpt File System View
 */
private ValidationOpResult validateCompactionOperation(HoodieTableMetaClient metaClient, String compactionInstant, CompactionOperation operation, Option<HoodieTableFileSystemView> fsViewOpt) throws IOException {
    HoodieTableFileSystemView fileSystemView = fsViewOpt.isPresent() ? fsViewOpt.get() : new HoodieTableFileSystemView(metaClient, metaClient.getCommitsAndCompactionTimeline());
    Option<HoodieInstant> lastInstant = metaClient.getCommitsAndCompactionTimeline().lastInstant();
    try {
        if (lastInstant.isPresent()) {
            Option<FileSlice> fileSliceOptional = Option.fromJavaOptional(fileSystemView.getLatestUnCompactedFileSlices(operation.getPartitionPath()).filter(fs -> fs.getFileId().equals(operation.getFileId())).findFirst());
            if (fileSliceOptional.isPresent()) {
                FileSlice fs = fileSliceOptional.get();
                Option<HoodieBaseFile> df = fs.getBaseFile();
                if (operation.getDataFileName().isPresent()) {
                    String expPath = metaClient.getFs().getFileStatus(new Path(FSUtils.getPartitionPath(metaClient.getBasePath(), operation.getPartitionPath()), new Path(operation.getDataFileName().get()))).getPath().toString();
                    ValidationUtils.checkArgument(df.isPresent(), "Data File must be present. File Slice was : " + fs + ", operation :" + operation);
                    ValidationUtils.checkArgument(df.get().getPath().equals(expPath), "Base Path in operation is specified as " + expPath + " but got path " + df.get().getPath());
                }
                Set<HoodieLogFile> logFilesInFileSlice = fs.getLogFiles().collect(Collectors.toSet());
                Set<HoodieLogFile> logFilesInCompactionOp = operation.getDeltaFileNames().stream().map(dp -> {
                    try {
                        FileStatus[] fileStatuses = metaClient.getFs().listStatus(new Path(FSUtils.getPartitionPath(metaClient.getBasePath(), operation.getPartitionPath()), new Path(dp)));
                        ValidationUtils.checkArgument(fileStatuses.length == 1, "Expect only 1 file-status");
                        return new HoodieLogFile(fileStatuses[0]);
                    } catch (FileNotFoundException fe) {
                        throw new CompactionValidationException(fe.getMessage());
                    } catch (IOException ioe) {
                        throw new HoodieIOException(ioe.getMessage(), ioe);
                    }
                }).collect(Collectors.toSet());
                Set<HoodieLogFile> missing = logFilesInCompactionOp.stream().filter(lf -> !logFilesInFileSlice.contains(lf)).collect(Collectors.toSet());
                ValidationUtils.checkArgument(missing.isEmpty(), "All log files specified in compaction operation is not present. Missing :" + missing + ", Exp :" + logFilesInCompactionOp + ", Got :" + logFilesInFileSlice);
                Set<HoodieLogFile> diff = logFilesInFileSlice.stream().filter(lf -> !logFilesInCompactionOp.contains(lf)).collect(Collectors.toSet());
                ValidationUtils.checkArgument(diff.stream().allMatch(lf -> lf.getBaseCommitTime().equals(compactionInstant)), "There are some log-files which are neither specified in compaction plan " + "nor present after compaction request instant. Some of these :" + diff);
            } else {
                throw new CompactionValidationException("Unable to find file-slice for file-id (" + operation.getFileId() + " Compaction operation is invalid.");
            }
        } else {
            throw new CompactionValidationException("Unable to find any committed instant. Compaction Operation may be pointing to stale file-slices");
        }
    } catch (CompactionValidationException | IllegalArgumentException e) {
        return new ValidationOpResult(operation, false, Option.of(e));
    }
    return new ValidationOpResult(operation, true, Option.empty());
}

Example 8 with HoodieTableFileSystemView

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

the class CompactionAdminClient method getRenamingActionsToAlignWithCompactionOperation.

/**
 * Get Renaming actions to ensure the log-files of merged file-slices is aligned with compaction operation. This
 * method is used to recover from failures during unschedule compaction operations.
 *
 * @param metaClient Hoodie Table Meta Client
 * @param compactionInstant Compaction Instant
 * @param op Compaction Operation
 * @param fsViewOpt File System View
 */
protected static List<Pair<HoodieLogFile, HoodieLogFile>> getRenamingActionsToAlignWithCompactionOperation(HoodieTableMetaClient metaClient, String compactionInstant, CompactionOperation op, Option<HoodieTableFileSystemView> fsViewOpt) {
    HoodieTableFileSystemView fileSystemView = fsViewOpt.isPresent() ? fsViewOpt.get() : new HoodieTableFileSystemView(metaClient, metaClient.getCommitsAndCompactionTimeline());
    HoodieInstant lastInstant = metaClient.getCommitsAndCompactionTimeline().lastInstant().get();
    FileSlice merged = fileSystemView.getLatestMergedFileSlicesBeforeOrOn(op.getPartitionPath(), lastInstant.getTimestamp()).filter(fs -> fs.getFileId().equals(op.getFileId())).findFirst().get();
    final int maxVersion = op.getDeltaFileNames().stream().map(lf -> FSUtils.getFileVersionFromLog(new Path(lf))).reduce((x, y) -> x > y ? x : y).orElse(0);
    List<HoodieLogFile> logFilesToBeMoved = merged.getLogFiles().filter(lf -> lf.getLogVersion() > maxVersion).collect(Collectors.toList());
    return logFilesToBeMoved.stream().map(lf -> {
        ValidationUtils.checkArgument(lf.getLogVersion() - maxVersion > 0, "Expect new log version to be sane");
        HoodieLogFile newLogFile = new HoodieLogFile(new Path(lf.getPath().getParent(), FSUtils.makeLogFileName(lf.getFileId(), "." + FSUtils.getFileExtensionFromLog(lf.getPath()), compactionInstant, lf.getLogVersion() - maxVersion, HoodieLogFormat.UNKNOWN_WRITE_TOKEN)));
        return Pair.of(lf, newLogFile);
    }).collect(Collectors.toList());
}

Example 9 with HoodieTableFileSystemView

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

the class ITTestRepairsCommand method testDeduplicateWithUpserts.

@Test
public void testDeduplicateWithUpserts() throws IOException {
    HoodieTableFileSystemView fsView = new HoodieTableFileSystemView(metaClient, metaClient.getActiveTimeline().getCommitTimeline().filterCompletedInstants(), fs.listStatus(new Path(duplicatedPartitionPathWithUpserts)));
    List<String> filteredStatuses = fsView.getLatestBaseFiles().map(HoodieBaseFile::getPath).collect(Collectors.toList());
    assertEquals(3, filteredStatuses.size(), "There should be 3 files.");
    // Before deduplicate, all files contain 120 records
    String[] files = filteredStatuses.toArray(new String[0]);
    Dataset df = readFiles(files);
    assertEquals(120, df.count());
    String partitionPath = HoodieTestDataGenerator.DEFAULT_THIRD_PARTITION_PATH;
    String cmdStr = String.format("repair deduplicate --duplicatedPartitionPath %s --repairedOutputPath %s --sparkMaster %s --dedupeType %s", partitionPath, repairedOutputPath, "local", "upsert_type");
    CommandResult cr = getShell().executeCommand(cmdStr);
    assertTrue(cr.isSuccess());
    assertEquals(RepairsCommand.DEDUPLICATE_RETURN_PREFIX + repairedOutputPath, cr.getResult().toString());
    // After deduplicate, there are 100 records
    FileStatus[] fileStatus = fs.listStatus(new Path(repairedOutputPath));
    files = Arrays.stream(fileStatus).map(status -> status.getPath().toString()).toArray(String[]::new);
    Dataset result = readFiles(files);
    assertEquals(100, result.count());
}

Example 10 with HoodieTableFileSystemView

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

the class ITTestRepairsCommand method testDeduplicateWithReal.

/**
 * Test case for real run deduplicate.
 */
@Test
public void testDeduplicateWithReal() throws IOException {
    // get fs and check number of latest files
    HoodieTableFileSystemView fsView = new HoodieTableFileSystemView(metaClient, metaClient.getActiveTimeline().getCommitTimeline().filterCompletedInstants(), fs.listStatus(new Path(duplicatedPartitionPath)));
    List<String> filteredStatuses = fsView.getLatestBaseFiles().map(HoodieBaseFile::getPath).collect(Collectors.toList());
    assertEquals(3, filteredStatuses.size(), "There should be 3 files.");
    // Before deduplicate, all files contain 210 records
    String[] files = filteredStatuses.toArray(new String[0]);
    Dataset df = readFiles(files);
    assertEquals(210, df.count());
    String partitionPath = HoodieTestDataGenerator.DEFAULT_FIRST_PARTITION_PATH;
    String cmdStr = String.format("repair deduplicate --duplicatedPartitionPath %s --repairedOutputPath %s" + " --sparkMaster %s --dryrun %s", partitionPath, repairedOutputPath, "local", false);
    CommandResult cr = getShell().executeCommand(cmdStr);
    assertTrue(cr.isSuccess());
    assertEquals(RepairsCommand.DEDUPLICATE_RETURN_PREFIX + partitionPath, cr.getResult().toString());
    // After deduplicate, there are 200 records under partition path
    FileStatus[] fileStatus = fs.listStatus(new Path(duplicatedPartitionPath));
    files = Arrays.stream(fileStatus).map(status -> status.getPath().toString()).toArray(String[]::new);
    Dataset result = readFiles(files);
    assertEquals(200, result.count());
}