Examples with OffsetAndEpoch org.apache.kafka.raft.OffsetAndEpoch used on opensource projects

Example 1 with OffsetAndEpoch

use of org.apache.kafka.raft.OffsetAndEpoch in project kafka by apache.

the class SnapshotWriterReaderTest method testWritingSnapshot.

@Test
public void testWritingSnapshot() throws Exception {
    int recordsPerBatch = 3;
    int batches = 3;
    int delimiterCount = 2;
    long magicTimestamp = 0xDEADBEEF;
    OffsetAndEpoch id = new OffsetAndEpoch(recordsPerBatch * batches, 3);
    List<List<String>> expected = buildRecords(recordsPerBatch, batches);
    RaftClientTestContext.Builder contextBuilder = new RaftClientTestContext.Builder(localId, voters);
    for (List<String> batch : expected) {
        contextBuilder.appendToLog(id.epoch, batch);
    }
    RaftClientTestContext context = contextBuilder.build();
    context.pollUntil(() -> context.currentLeader().equals(OptionalInt.of(localId)));
    int epoch = context.currentEpoch();
    context.advanceLocalLeaderHighWatermarkToLogEndOffset();
    try (SnapshotWriter<String> snapshot = context.client.createSnapshot(id.offset - 1, id.epoch, magicTimestamp).get()) {
        assertEquals(id, snapshot.snapshotId());
        expected.forEach(batch -> assertDoesNotThrow(() -> snapshot.append(batch)));
        snapshot.freeze();
    }
    try (SnapshotReader<String> reader = readSnapshot(context, id, Integer.MAX_VALUE)) {
        RawSnapshotReader snapshot = context.log.readSnapshot(id).get();
        int recordCount = validateDelimiters(snapshot, magicTimestamp);
        assertEquals((recordsPerBatch * batches) + delimiterCount, recordCount);
        assertSnapshot(expected, reader);
    }
}

Example 2 with OffsetAndEpoch

use of org.apache.kafka.raft.OffsetAndEpoch in project kafka by apache.

the class SnapshotWriterReaderTest method testAbortedSnapshot.

@Test
public void testAbortedSnapshot() throws Exception {
    int recordsPerBatch = 3;
    int batches = 3;
    OffsetAndEpoch id = new OffsetAndEpoch(recordsPerBatch * batches, 3);
    List<List<String>> expected = buildRecords(recordsPerBatch, batches);
    RaftClientTestContext.Builder contextBuilder = new RaftClientTestContext.Builder(localId, voters);
    for (List<String> batch : expected) {
        contextBuilder.appendToLog(id.epoch, batch);
    }
    RaftClientTestContext context = contextBuilder.build();
    context.pollUntil(() -> context.currentLeader().equals(OptionalInt.of(localId)));
    int epoch = context.currentEpoch();
    context.advanceLocalLeaderHighWatermarkToLogEndOffset();
    try (SnapshotWriter<String> snapshot = context.client.createSnapshot(id.offset - 1, id.epoch, 0).get()) {
        assertEquals(id, snapshot.snapshotId());
        expected.forEach(batch -> {
            assertDoesNotThrow(() -> snapshot.append(batch));
        });
    }
    assertEquals(Optional.empty(), context.log.readSnapshot(id));
}

Example 3 with OffsetAndEpoch

use of org.apache.kafka.raft.OffsetAndEpoch in project kafka by apache.

the class SnapshotsTest method testValidSnapshotFilename.

@Test
public void testValidSnapshotFilename() {
    OffsetAndEpoch snapshotId = new OffsetAndEpoch(TestUtils.RANDOM.nextInt(Integer.MAX_VALUE), TestUtils.RANDOM.nextInt(Integer.MAX_VALUE));
    Path path = Snapshots.snapshotPath(TestUtils.tempDirectory().toPath(), snapshotId);
    SnapshotPath snapshotPath = Snapshots.parse(path).get();
    assertEquals(path, snapshotPath.path);
    assertEquals(snapshotId, snapshotPath.snapshotId);
    assertFalse(snapshotPath.partial);
    assertFalse(snapshotPath.deleted);
}

Example 4 with OffsetAndEpoch

use of org.apache.kafka.raft.OffsetAndEpoch in project kafka by apache.

the class SnapshotsTest method testValidPartialSnapshotFilename.

@Test
public void testValidPartialSnapshotFilename() throws IOException {
    OffsetAndEpoch snapshotId = new OffsetAndEpoch(TestUtils.RANDOM.nextInt(Integer.MAX_VALUE), TestUtils.RANDOM.nextInt(Integer.MAX_VALUE));
    Path path = Snapshots.createTempFile(TestUtils.tempDirectory().toPath(), snapshotId);
    // Delete it as we only need the path for testing
    Files.delete(path);
    SnapshotPath snapshotPath = Snapshots.parse(path).get();
    assertEquals(path, snapshotPath.path);
    assertEquals(snapshotId, snapshotPath.snapshotId);
    assertTrue(snapshotPath.partial);
}

Example 5 with OffsetAndEpoch

use of org.apache.kafka.raft.OffsetAndEpoch in project kafka by apache.

the class SnapshotsTest method testDeleteSnapshot.

@ParameterizedTest
@ValueSource(booleans = { true, false })
public void testDeleteSnapshot(boolean renameBeforeDeleting) throws IOException {
    OffsetAndEpoch snapshotId = new OffsetAndEpoch(TestUtils.RANDOM.nextInt(Integer.MAX_VALUE), TestUtils.RANDOM.nextInt(Integer.MAX_VALUE));
    Path logDirPath = TestUtils.tempDirectory().toPath();
    try (FileRawSnapshotWriter snapshot = FileRawSnapshotWriter.create(logDirPath, snapshotId, Optional.empty())) {
        snapshot.freeze();
        Path snapshotPath = Snapshots.snapshotPath(logDirPath, snapshotId);
        assertTrue(Files.exists(snapshotPath));
        if (renameBeforeDeleting)
            // rename snapshot before deleting
            Utils.atomicMoveWithFallback(snapshotPath, Snapshots.deleteRename(snapshotPath, snapshotId), false);
        assertTrue(Snapshots.deleteIfExists(logDirPath, snapshot.snapshotId()));
        assertFalse(Files.exists(snapshotPath));
        assertFalse(Files.exists(Snapshots.deleteRename(snapshotPath, snapshotId)));
    }
}