Examples with SynchronizerConfig io.pravega.client.state.SynchronizerConfig used on opensource projects

Example 11 with SynchronizerConfig

use of io.pravega.client.state.SynchronizerConfig in project pravega by pravega.

the class RevisionedStreamClientTest method testSegmentTruncation.

@Test
public void testSegmentTruncation() {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    @Cleanup MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    @Cleanup MockController controller = new MockController(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup RevisionedStreamClient<String> client = clientFactory.createRevisionedStreamClient(stream, new JavaSerializer<>(), config);
    Revision r0 = client.fetchLatestRevision();
    client.writeUnconditionally("a");
    Revision ra = client.fetchLatestRevision();
    client.writeUnconditionally("b");
    Revision rb = client.fetchLatestRevision();
    client.writeUnconditionally("c");
    Revision rc = client.fetchLatestRevision();
    assertEquals(r0, client.fetchOldestRevision());
    client.truncateToRevision(r0);
    assertEquals(r0, client.fetchOldestRevision());
    client.truncateToRevision(ra);
    assertEquals(ra, client.fetchOldestRevision());
    client.truncateToRevision(r0);
    assertEquals(ra, client.fetchOldestRevision());
    AssertExtensions.assertThrows(TruncatedDataException.class, () -> client.readFrom(r0));
    Iterator<Entry<Revision, String>> iterA = client.readFrom(ra);
    assertTrue(iterA.hasNext());
    Iterator<Entry<Revision, String>> iterB = client.readFrom(ra);
    assertTrue(iterB.hasNext());
    assertEquals("b", iterA.next().getValue());
    assertEquals("b", iterB.next().getValue());
    client.truncateToRevision(rb);
    assertTrue(iterA.hasNext());
    assertEquals("c", iterA.next().getValue());
    client.truncateToRevision(rc);
    assertFalse(iterA.hasNext());
    assertTrue(iterB.hasNext());
    AssertExtensions.assertThrows(TruncatedDataException.class, () -> iterB.next());
}

Example 12 with SynchronizerConfig

use of io.pravega.client.state.SynchronizerConfig in project pravega by pravega.

the class ReaderGroupStateManagerTest method testReleaseAndAcquireTimes.

@Test(timeout = 5000)
public void testReleaseAndAcquireTimes() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> state = clientFactory.createStateSynchronizer(stream, new JavaSerializer<>(), new JavaSerializer<>(), config);
    AtomicLong clock = new AtomicLong();
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(new Segment(scope, stream, 0), 0L);
    segments.put(new Segment(scope, stream, 1), 1L);
    segments.put(new Segment(scope, stream, 2), 2L);
    segments.put(new Segment(scope, stream, 3), 3L);
    ReaderGroupStateManager.initializeReaderGroup(state, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    ReaderGroupStateManager reader1 = new ReaderGroupStateManager("reader1", state, controller, clock::get);
    reader1.initializeReader(0);
    ReaderGroupStateManager reader2 = new ReaderGroupStateManager("reader2", state, controller, clock::get);
    reader2.initializeReader(0);
    clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
    Map<Segment, Long> newSegments = reader1.acquireNewSegmentsIfNeeded(123);
    assertEquals(2, newSegments.size());
    Duration r1aqt = ReaderGroupStateManager.calculateAcquireTime("reader1", state.getState());
    Duration r2aqt = ReaderGroupStateManager.calculateAcquireTime("reader2", state.getState());
    assertTrue(r1aqt.toMillis() > r2aqt.toMillis());
    Duration r1rlt = ReaderGroupStateManager.calculateReleaseTime("reader1", state.getState());
    Duration r2rlt = ReaderGroupStateManager.calculateReleaseTime("reader2", state.getState());
    assertTrue(r1rlt.toMillis() < r2rlt.toMillis());
    reader1.releaseSegment(newSegments.keySet().iterator().next(), 0, 123);
    newSegments = reader2.acquireNewSegmentsIfNeeded(123);
    assertEquals(2, newSegments.size());
    r1aqt = ReaderGroupStateManager.calculateAcquireTime("reader1", state.getState());
    r2aqt = ReaderGroupStateManager.calculateAcquireTime("reader2", state.getState());
    assertTrue(r1aqt.toMillis() < r2aqt.toMillis());
    r1rlt = ReaderGroupStateManager.calculateReleaseTime("reader1", state.getState());
    r2rlt = ReaderGroupStateManager.calculateReleaseTime("reader2", state.getState());
    assertTrue(r1rlt.toMillis() > r2rlt.toMillis());
}

Example 13 with SynchronizerConfig

use of io.pravega.client.state.SynchronizerConfig in project pravega by pravega.

the class ReaderGroupStateManagerTest method testCheckpointContainsAllShards.

@Test(timeout = 10000)
public void testCheckpointContainsAllShards() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    Segment segment0 = new Segment(scope, stream, 0);
    Segment segment1 = new Segment(scope, stream, 1);
    Segment segment2 = new Segment(scope, stream, 2);
    MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(), ""));
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = ImmutableMap.of(segment0, 0L, segment1, 1L, segment2, 2L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    val readerState1 = new ReaderGroupStateManager("reader1", stateSynchronizer, controller, null);
    readerState1.initializeReader(0);
    val readerState2 = new ReaderGroupStateManager("reader2", stateSynchronizer, controller, null);
    readerState2.initializeReader(0);
    assertEquals(segments, stateSynchronizer.getState().getUnassignedSegments());
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP1"));
    stateSynchronizer.fetchUpdates();
    assertEquals("CP1", readerState1.getCheckpoint());
    assertEquals(Collections.emptyMap(), readerState1.acquireNewSegmentsIfNeeded(1));
    assertEquals(Collections.emptyMap(), readerState2.acquireNewSegmentsIfNeeded(2));
    assertEquals("CP1", readerState2.getCheckpoint());
    readerState1.checkpoint("CP1", new PositionImpl(Collections.emptyMap()));
    readerState2.checkpoint("CP1", new PositionImpl(Collections.emptyMap()));
    assertTrue(stateSynchronizer.getState().isCheckpointComplete("CP1"));
    assertEquals(segments, stateSynchronizer.getState().getPositionsForCompletedCheckpoint("CP1"));
}

Example 14 with SynchronizerConfig

use of io.pravega.client.state.SynchronizerConfig in project pravega by pravega.

the class ReaderGroupStateManagerTest method testAddReader.

@Test(timeout = 10000)
public void testAddReader() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(new Segment(scope, stream, 0), 1L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    ReaderGroupStateManager readerState = new ReaderGroupStateManager("testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    Segment toRelease = readerState.findSegmentToReleaseIfRequired();
    assertNull(toRelease);
    Map<Segment, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0);
    assertFalse(newSegments.isEmpty());
    assertEquals(1, newSegments.size());
    assertTrue(newSegments.containsKey(new Segment(scope, stream, 0)));
    assertEquals(1, newSegments.get(new Segment(scope, stream, 0)).longValue());
}

Example 15 with SynchronizerConfig

use of io.pravega.client.state.SynchronizerConfig in project pravega by pravega.

the class ReaderGroupStateManagerTest method testCheckpoint.

@Test(timeout = 10000)
public void testCheckpoint() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    Segment initialSegment = new Segment(scope, stream, 0);
    Segment successorA = new Segment(scope, stream, 1);
    Segment successorB = new Segment(scope, stream, 2);
    MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(new SegmentWithRange(successorA, 0.0, 0.5), singletonList(0), new SegmentWithRange(successorB, 0.5, 1.0), singletonList(0)), ""));
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(initialSegment, 1L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    val readerState = new ReaderGroupStateManager("testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    assertNull(readerState.getCheckpoint());
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP1"));
    stateSynchronizer.fetchUpdates();
    assertEquals("CP1", readerState.getCheckpoint());
    assertEquals("CP1", readerState.getCheckpoint());
    readerState.checkpoint("CP1", new PositionImpl(Collections.emptyMap()));
    assertNull(readerState.getCheckpoint());
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP2"));
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP3"));
    stateSynchronizer.fetchUpdates();
    assertEquals("CP2", readerState.getCheckpoint());
    readerState.checkpoint("CP2", new PositionImpl(Collections.emptyMap()));
    assertEquals("CP3", readerState.getCheckpoint());
    readerState.checkpoint("CP3", new PositionImpl(Collections.emptyMap()));
    assertNull(readerState.getCheckpoint());
}