Examples with FileSlice org.apache.hudi.common.model.FileSlice used on opensource projects

Example 41 with FileSlice

use of org.apache.hudi.common.model.FileSlice in project hudi by apache.

the class RollbackUtils method generateAppendRollbackBlocksAction.

private static List<ListingBasedRollbackRequest> generateAppendRollbackBlocksAction(String partitionPath, HoodieInstant rollbackInstant, HoodieCommitMetadata commitMetadata, HoodieTable table) {
    checkArgument(rollbackInstant.getAction().equals(HoodieTimeline.DELTA_COMMIT_ACTION));
    // wStat.getPrevCommit() might not give the right commit time in the following
    // scenario : If a compaction was scheduled, the new commitTime associated with the requested compaction will be
    // used to write the new log files. In this case, the commit time for the log file is the compaction requested time.
    // But the index (global) might store the baseCommit of the base and not the requested, hence get the
    // baseCommit always by listing the file slice
    // With multi writers, rollbacks could be lazy. and so we need to use getLatestFileSlicesBeforeOrOn() instead of getLatestFileSlices()
    Map<String, FileSlice> latestFileSlices = table.getSliceView().getLatestFileSlicesBeforeOrOn(partitionPath, rollbackInstant.getTimestamp(), true).collect(Collectors.toMap(FileSlice::getFileId, Function.identity()));
    return commitMetadata.getPartitionToWriteStats().get(partitionPath).stream().filter(writeStat -> {
        // Filter out stats without prevCommit since they are all inserts
        boolean validForRollback = (writeStat != null) && (!writeStat.getPrevCommit().equals(HoodieWriteStat.NULL_COMMIT)) && (writeStat.getPrevCommit() != null) && latestFileSlices.containsKey(writeStat.getFileId());
        if (!validForRollback) {
            return false;
        }
        FileSlice latestFileSlice = latestFileSlices.get(writeStat.getFileId());
        // For sanity, log-file base-instant time can never be less than base-commit on which we are rolling back
        checkArgument(HoodieTimeline.compareTimestamps(latestFileSlice.getBaseInstantTime(), HoodieTimeline.LESSER_THAN_OR_EQUALS, rollbackInstant.getTimestamp()), "Log-file base-instant could not be less than the instant being rolled back");
        // in a different branch of the flow.
        return HoodieTimeline.compareTimestamps(latestFileSlice.getBaseInstantTime(), HoodieTimeline.LESSER_THAN, rollbackInstant.getTimestamp());
    }).map(writeStat -> {
        FileSlice latestFileSlice = latestFileSlices.get(writeStat.getFileId());
        return ListingBasedRollbackRequest.createRollbackRequestWithAppendRollbackBlockAction(partitionPath, writeStat.getFileId(), latestFileSlice.getBaseInstantTime(), writeStat);
    }).collect(Collectors.toList());
}

Example 42 with FileSlice

use of org.apache.hudi.common.model.FileSlice in project hudi by apache.

the class HoodieTestTable method addInflightCompaction.

public HoodieTestTable addInflightCompaction(String instantTime, HoodieCommitMetadata commitMetadata) throws Exception {
    List<FileSlice> fileSlices = new ArrayList<>();
    for (Map.Entry<String, List<HoodieWriteStat>> entry : commitMetadata.getPartitionToWriteStats().entrySet()) {
        for (HoodieWriteStat stat : entry.getValue()) {
            fileSlices.add(new FileSlice(entry.getKey(), instantTime, stat.getPath()));
        }
    }
    this.addRequestedCompaction(instantTime, fileSlices.toArray(new FileSlice[0]));
    createInflightCompaction(basePath, instantTime);
    inflightCommits.add(instantTime);
    currentInstantTime = instantTime;
    return this;
}

Example 43 with FileSlice

use of org.apache.hudi.common.model.FileSlice in project hudi by apache.

the class TestCompactionUtils method testBuildFromFileSlice.

@Test
public void testBuildFromFileSlice() {
    String extension = metaClient.getTableConfig().getBaseFileFormat().getFileExtension();
    // Empty File-Slice with no data and log files
    FileSlice emptyFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "empty1");
    HoodieCompactionOperation op = CompactionUtils.buildFromFileSlice(DEFAULT_PARTITION_PATHS[0], emptyFileSlice, Option.of(metricsCaptureFn));
    testFileSliceCompactionOpEquality(emptyFileSlice, op, DEFAULT_PARTITION_PATHS[0], LATEST_COMPACTION_METADATA_VERSION);
    // File Slice with data-file but no log files
    FileSlice noLogFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noLog1");
    noLogFileSlice.setBaseFile(new DummyHoodieBaseFile("/tmp/noLog_1_000" + extension));
    op = CompactionUtils.buildFromFileSlice(DEFAULT_PARTITION_PATHS[0], noLogFileSlice, Option.of(metricsCaptureFn));
    testFileSliceCompactionOpEquality(noLogFileSlice, op, DEFAULT_PARTITION_PATHS[0], LATEST_COMPACTION_METADATA_VERSION);
    // File Slice with no data-file but log files present
    FileSlice noDataFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noData1");
    noDataFileSlice.addLogFile(new HoodieLogFile(new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 1, TEST_WRITE_TOKEN))));
    noDataFileSlice.addLogFile(new HoodieLogFile(new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 2, TEST_WRITE_TOKEN))));
    op = CompactionUtils.buildFromFileSlice(DEFAULT_PARTITION_PATHS[0], noDataFileSlice, Option.of(metricsCaptureFn));
    testFileSliceCompactionOpEquality(noDataFileSlice, op, DEFAULT_PARTITION_PATHS[0], LATEST_COMPACTION_METADATA_VERSION);
    // File Slice with data-file and log files present
    FileSlice fileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noData1");
    fileSlice.setBaseFile(new DummyHoodieBaseFile("/tmp/noLog_1_000" + extension));
    fileSlice.addLogFile(new HoodieLogFile(new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 1, TEST_WRITE_TOKEN))));
    fileSlice.addLogFile(new HoodieLogFile(new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 2, TEST_WRITE_TOKEN))));
    op = CompactionUtils.buildFromFileSlice(DEFAULT_PARTITION_PATHS[0], fileSlice, Option.of(metricsCaptureFn));
    testFileSliceCompactionOpEquality(fileSlice, op, DEFAULT_PARTITION_PATHS[0], LATEST_COMPACTION_METADATA_VERSION);
}

Example 44 with FileSlice

use of org.apache.hudi.common.model.FileSlice in project hudi by apache.

the class TestCompactionUtils method testCompactionTransformation.

@Test
public void testCompactionTransformation() {
    // check HoodieCompactionOperation <=> CompactionOperation transformation function
    Pair<List<Pair<String, FileSlice>>, HoodieCompactionPlan> inputAndPlan = buildCompactionPlan();
    HoodieCompactionPlan plan = inputAndPlan.getRight();
    List<HoodieCompactionOperation> originalOps = plan.getOperations();
    // Convert to CompactionOperation
    // Convert back to HoodieCompactionOperation and check for equality
    List<HoodieCompactionOperation> regeneratedOps = originalOps.stream().map(CompactionUtils::buildCompactionOperation).map(CompactionUtils::buildHoodieCompactionOperation).collect(Collectors.toList());
    assertTrue(originalOps.size() > 0, "Transformation did get tested");
    assertEquals(originalOps, regeneratedOps, "All fields set correctly in transformations");
}

Example 45 with FileSlice

use of org.apache.hudi.common.model.FileSlice in project hudi by apache.

the class TestCompactionUtils method buildCompactionPlan.

/**
 * Generate input for compaction plan tests.
 */
private Pair<List<Pair<String, FileSlice>>, HoodieCompactionPlan> buildCompactionPlan() {
    String extension = metaClient.getTableConfig().getBaseFileFormat().getFileExtension();
    Path fullPartitionPath = new Path(new Path(metaClient.getBasePath()), DEFAULT_PARTITION_PATHS[0]);
    FileSlice emptyFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "empty1");
    FileSlice fileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noData1");
    fileSlice.setBaseFile(new DummyHoodieBaseFile(fullPartitionPath.toString() + "/data1_1_000" + extension));
    fileSlice.addLogFile(new HoodieLogFile(new Path(fullPartitionPath, new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 1, TEST_WRITE_TOKEN)))));
    fileSlice.addLogFile(new HoodieLogFile(new Path(fullPartitionPath, new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 2, TEST_WRITE_TOKEN)))));
    FileSlice noLogFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noLog1");
    noLogFileSlice.setBaseFile(new DummyHoodieBaseFile(fullPartitionPath.toString() + "/noLog_1_000" + extension));
    FileSlice noDataFileSlice = new FileSlice(DEFAULT_PARTITION_PATHS[0], "000", "noData1");
    noDataFileSlice.addLogFile(new HoodieLogFile(new Path(fullPartitionPath, new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 1, TEST_WRITE_TOKEN)))));
    noDataFileSlice.addLogFile(new HoodieLogFile(new Path(fullPartitionPath, new Path(FSUtils.makeLogFileName("noData1", ".log", "000", 2, TEST_WRITE_TOKEN)))));
    List<FileSlice> fileSliceList = Arrays.asList(emptyFileSlice, noDataFileSlice, fileSlice, noLogFileSlice);
    List<Pair<String, FileSlice>> input = fileSliceList.stream().map(f -> Pair.of(DEFAULT_PARTITION_PATHS[0], f)).collect(Collectors.toList());
    return Pair.of(input, CompactionUtils.buildFromFileSlices(input, Option.empty(), Option.of(metricsCaptureFn)));
}