Examples with StreamCut io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut used on opensource projects

Example 11 with StreamCut

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut in project pravega by pravega.

the class StreamMetadataTasksTest method consumptionBasedRetentionWithScale.

@Test(timeout = 30000)
public void consumptionBasedRetentionWithScale() throws Exception {
    final ScalingPolicy policy = ScalingPolicy.fixed(3);
    final RetentionPolicy retentionPolicy = RetentionPolicy.bySizeBytes(0L, 1000L);
    String stream1 = "consumptionSize";
    StreamConfiguration configuration = StreamConfiguration.builder().scalingPolicy(policy).retentionPolicy(retentionPolicy).build();
    streamStorePartialMock.createStream(SCOPE, stream1, configuration, System.currentTimeMillis(), null, executor).get();
    streamStorePartialMock.setState(SCOPE, stream1, State.ACTIVE, null, executor).get();
    configuration = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).retentionPolicy(retentionPolicy).build();
    streamStorePartialMock.startUpdateConfiguration(SCOPE, stream1, configuration, null, executor).join();
    VersionedMetadata<StreamConfigurationRecord> configRecord = streamStorePartialMock.getConfigurationRecord(SCOPE, stream1, null, executor).join();
    streamStorePartialMock.completeUpdateConfiguration(SCOPE, stream1, configRecord, null, executor).join();
    final Segment seg0 = new Segment(SCOPE, stream1, 0L);
    final Segment seg1 = new Segment(SCOPE, stream1, 1L);
    ImmutableMap<Segment, Long> startStreamCut = ImmutableMap.of(seg0, 0L, seg1, 0L);
    Map<Stream, StreamCut> startSC = ImmutableMap.of(Stream.of(SCOPE, stream1), new StreamCutImpl(Stream.of(SCOPE, stream1), startStreamCut));
    ImmutableMap<Segment, Long> endStreamCut = ImmutableMap.of(seg0, 2000L, seg1, 3000L);
    Map<Stream, StreamCut> endSC = ImmutableMap.of(Stream.of(SCOPE, stream1), new StreamCutImpl(Stream.of(SCOPE, stream1), endStreamCut));
    ReaderGroupConfig consumpRGConfig = ReaderGroupConfig.builder().automaticCheckpointIntervalMillis(30000L).groupRefreshTimeMillis(20000L).maxOutstandingCheckpointRequest(2).retentionType(ReaderGroupConfig.StreamDataRetention.AUTOMATIC_RELEASE_AT_LAST_CHECKPOINT).startingStreamCuts(startSC).endingStreamCuts(endSC).build();
    consumpRGConfig = ReaderGroupConfig.cloneConfig(consumpRGConfig, UUID.randomUUID(), 0L);
    doReturn(CompletableFuture.completedFuture(Controller.CreateStreamStatus.Status.SUCCESS)).when(streamMetadataTasks).createRGStream(anyString(), anyString(), any(), anyLong(), anyInt(), anyLong());
    WriterMock requestEventWriter = new WriterMock(streamMetadataTasks, executor);
    streamMetadataTasks.setRequestEventWriter(requestEventWriter);
    String subscriber1 = "subscriber1";
    CompletableFuture<Controller.CreateReaderGroupResponse> createStatus = streamMetadataTasks.createReaderGroup(SCOPE, subscriber1, consumpRGConfig, System.currentTimeMillis(), 0L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    Controller.CreateReaderGroupResponse createResponse1 = createStatus.join();
    assertEquals(Controller.CreateReaderGroupResponse.Status.SUCCESS, createResponse1.getStatus());
    assertEquals(0L, createResponse1.getConfig().getGeneration());
    assertFalse(ReaderGroupConfig.DEFAULT_UUID.toString().equals(createResponse1.getConfig().getReaderGroupId()));
    String subscriber2 = "subscriber2";
    createStatus = streamMetadataTasks.createReaderGroup(SCOPE, subscriber2, consumpRGConfig, System.currentTimeMillis(), 0L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    Controller.CreateReaderGroupResponse createResponse2 = createStatus.join();
    assertEquals(Controller.CreateReaderGroupResponse.Status.SUCCESS, createResponse2.getStatus());
    assertEquals(0L, createResponse2.getConfig().getGeneration());
    assertFalse(ReaderGroupConfig.DEFAULT_UUID.toString().equals(createResponse2.getConfig().getReaderGroupId()));
    final String subscriber1Name = NameUtils.getScopedReaderGroupName(SCOPE, subscriber1);
    final String subscriber2Name = NameUtils.getScopedReaderGroupName(SCOPE, subscriber2);
    // example::
    // | s0 | s3      |
    // |    | s4 |    | s6
    // | s1      | s5 |
    // | s2      |    |
    // valid stream cuts: { s0/off, s5/-1 }, { s0/off, s2/off, s5/-1 }
    // lower bound = { s0/off, s2/off, s5/-1 }
    // valid stream cuts: { s0/off, s5/-1 }, { s0/off, s2/off, s5/-1 }, { s0/off, s1/off, s2/off }
    // lower bound = { s0/off, s1/off, s2/off }
    long three = NameUtils.computeSegmentId(3, 1);
    long four = NameUtils.computeSegmentId(4, 1);
    long five = NameUtils.computeSegmentId(5, 2);
    long six = NameUtils.computeSegmentId(6, 3);
    // 0 split to 3 and 4
    scale(SCOPE, stream1, ImmutableMap.of(0L, 1L), Lists.newArrayList(new AbstractMap.SimpleEntry<>(0.0, 1.0 / 6), new AbstractMap.SimpleEntry<>(1.0 / 6, 1.0 / 3)));
    // 4, 1, 2 merged to 5
    scale(SCOPE, stream1, ImmutableMap.of(1L, 1L, 2L, 2L, four, 1L), Lists.newArrayList(new AbstractMap.SimpleEntry<>(1.0 / 6, 1.0)));
    // merge 3, 5 to 6
    scale(SCOPE, stream1, ImmutableMap.of(three, 1L, five, 2L), Lists.newArrayList(new AbstractMap.SimpleEntry<>(0.0, 1.0)));
    assertNotEquals(0, consumer.getCurrentSegments(SCOPE, stream1, 0L).get().size());
    streamMetadataTasks.setRetentionFrequencyMillis(1L);
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, createResponse1.getConfig().getReaderGroupId(), createResponse1.getConfig().getGeneration(), ImmutableMap.of(0L, 1L, five, -1L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, createResponse2.getConfig().getReaderGroupId(), createResponse2.getConfig().getGeneration(), ImmutableMap.of(0L, 1L, 2L, 1L, five, -1L), 0L).join();
    Map<Long, Long> map1 = new HashMap<>();
    map1.put(six, 2L);
    long size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, stream1, map1, Optional.empty(), null, executor).join();
    doReturn(CompletableFuture.completedFuture(new StreamCutRecord(1L, size, ImmutableMap.copyOf(map1)))).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), any());
    // call retention and verify that retention policy applies
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, 1L, null, "").join();
    // now retention set has one stream cut 6/2
    // subscriber lowerbound is 0/1, 2/1, 5/-1.. trucation should happen at lowerbound
    VersionedMetadata<StreamTruncationRecord> truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    assertEquals(truncationRecord.getObject().getStreamCut().get(0L).longValue(), 1L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(2L).longValue(), 1L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(five).longValue(), -1L);
    assertTrue(truncationRecord.getObject().isUpdating());
    streamStorePartialMock.completeTruncation(SCOPE, stream1, truncationRecord, null, executor).join();
}

Example 12 with StreamCut

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut in project pravega by pravega.

the class StreamMetadataTasksTest method consumptionBasedRetentionTimeLimitTest.

@Test(timeout = 30000)
public void consumptionBasedRetentionTimeLimitTest() throws Exception {
    final ScalingPolicy policy = ScalingPolicy.fixed(2);
    final RetentionPolicy retentionPolicy = RetentionPolicy.byTime(Duration.ofMillis(1L), Duration.ofMillis(10L));
    String stream1 = "consumptionTime";
    final StreamConfiguration configuration = StreamConfiguration.builder().scalingPolicy(policy).retentionPolicy(retentionPolicy).build();
    streamStorePartialMock.createStream(SCOPE, stream1, configuration, System.currentTimeMillis(), null, executor).get();
    streamStorePartialMock.setState(SCOPE, stream1, State.ACTIVE, null, executor).get();
    assertNotEquals(0, consumer.getCurrentSegments(SCOPE, stream1, 0L).get().size());
    WriterMock requestEventWriter = new WriterMock(streamMetadataTasks, executor);
    streamMetadataTasks.setRequestEventWriter(requestEventWriter);
    streamMetadataTasks.setRetentionFrequencyMillis(1L);
    AtomicLong time = new AtomicLong(0L);
    streamMetadataTasks.setRetentionClock(time::get);
    // region case 1: basic retention
    final Segment seg0 = new Segment(SCOPE, stream1, 0L);
    final Segment seg1 = new Segment(SCOPE, stream1, 1L);
    ImmutableMap<Segment, Long> startStreamCut = ImmutableMap.of(seg0, 0L, seg1, 0L);
    Map<Stream, StreamCut> startSC = ImmutableMap.of(Stream.of(SCOPE, stream1), new StreamCutImpl(Stream.of(SCOPE, stream1), startStreamCut));
    ImmutableMap<Segment, Long> endStreamCut = ImmutableMap.of(seg0, 2000L, seg1, 3000L);
    Map<Stream, StreamCut> endSC = ImmutableMap.of(Stream.of(SCOPE, stream1), new StreamCutImpl(Stream.of(SCOPE, stream1), endStreamCut));
    ReaderGroupConfig consumpRGConfig = ReaderGroupConfig.builder().automaticCheckpointIntervalMillis(30000L).groupRefreshTimeMillis(20000L).maxOutstandingCheckpointRequest(2).retentionType(ReaderGroupConfig.StreamDataRetention.AUTOMATIC_RELEASE_AT_LAST_CHECKPOINT).startingStreamCuts(startSC).endingStreamCuts(endSC).build();
    consumpRGConfig = ReaderGroupConfig.cloneConfig(consumpRGConfig, UUID.randomUUID(), 0L);
    doReturn(CompletableFuture.completedFuture(Controller.CreateStreamStatus.Status.SUCCESS)).when(streamMetadataTasks).createRGStream(anyString(), anyString(), any(), anyLong(), anyInt(), anyLong());
    String subscriber1 = "subscriber1";
    CompletableFuture<Controller.CreateReaderGroupResponse> createStatus = streamMetadataTasks.createReaderGroup(SCOPE, subscriber1, consumpRGConfig, System.currentTimeMillis(), 0L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    Controller.CreateReaderGroupResponse createResponse1 = createStatus.join();
    assertEquals(Controller.CreateReaderGroupResponse.Status.SUCCESS, createResponse1.getStatus());
    assertFalse(ReaderGroupConfig.DEFAULT_UUID.toString().equals(createResponse1.getConfig().getReaderGroupId()));
    assertEquals(0L, createResponse1.getConfig().getGeneration());
    String subscriber2 = "subscriber2";
    createStatus = streamMetadataTasks.createReaderGroup(SCOPE, subscriber2, consumpRGConfig, System.currentTimeMillis(), 0L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    Controller.CreateReaderGroupResponse createResponse2 = createStatus.join();
    assertEquals(Controller.CreateReaderGroupResponse.Status.SUCCESS, createResponse2.getStatus());
    assertFalse(ReaderGroupConfig.DEFAULT_UUID.toString().equals(createResponse2.getConfig().getReaderGroupId()));
    assertEquals(0L, createResponse2.getConfig().getGeneration());
    final String subscriber1Name = NameUtils.getScopedReaderGroupName(SCOPE, subscriber1);
    final String subscriber2Name = NameUtils.getScopedReaderGroupName(SCOPE, subscriber2);
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, createResponse1.getConfig().getReaderGroupId(), createResponse1.getConfig().getGeneration(), ImmutableMap.of(0L, 2L, 1L, 1L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, createResponse2.getConfig().getReaderGroupId(), createResponse2.getConfig().getGeneration(), ImmutableMap.of(0L, 1L, 1L, 2L), 0L).join();
    Map<Long, Long> map1 = new HashMap<>();
    map1.put(0L, 2L);
    map1.put(1L, 2L);
    long size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, stream1, map1, Optional.empty(), null, executor).join();
    doReturn(CompletableFuture.completedFuture(new StreamCutRecord(time.get(), size, ImmutableMap.copyOf(map1)))).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), any());
    // call retention and verify that retention policy applies
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, time.get(), null, "").join();
    // now retention set has one stream cut 0/2, 1/2, recording time 1L
    // subscriber lowerbound is 0/1, 1/1.. trucation should not happen as this lowerbound is ahead of min retention streamcut.
    VersionedMetadata<StreamTruncationRecord> truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    assertFalse(truncationRecord.getObject().isUpdating());
    // endregion
    // region case 2 min policy check
    // subscriber streamcut > min time streamcut
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(2L, 4L, ImmutableMap.of(0L, 2L, 1L, 2L)), null, executor).join();
    time.set(10L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 20L, ImmutableMap.of(0L, 10L, 1L, 10L)), null, executor).join();
    time.set(11L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 20L, ImmutableMap.of(0L, 10L, 1L, 10L)), null, executor).join();
    // retentionset: 0L: 0L/2L, 1L/2L... 2L: 0L/2L, 1L/2L... 10L: 0/10, 1/10....11L: 0/10, 1/10.
    // update both readers to 0/3, 1/3.
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, createResponse1.getConfig().getReaderGroupId(), createResponse1.getConfig().getGeneration(), ImmutableMap.of(0L, 3L, 1L, 3L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, createResponse2.getConfig().getReaderGroupId(), createResponse2.getConfig().getGeneration(), ImmutableMap.of(0L, 3L, 1L, 3L), 0L).join();
    // new truncation should happen at subscriber lowerbound.
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, time.get(), null, "").join();
    truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    assertEquals(truncationRecord.getObject().getStreamCut().get(0L).longValue(), 3L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(1L).longValue(), 3L);
    assertTrue(truncationRecord.getObject().isUpdating());
    streamStorePartialMock.completeTruncation(SCOPE, stream1, truncationRecord, null, executor).join();
    // endregion
    // region case 3: min criteria not met on lower bound. truncate at max.
    time.set(20L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 22L, ImmutableMap.of(0L, 11L, 1L, 11L)), null, executor).join();
    // update both readers to make sure they have read till the latest position - 1. we have set the min limit to 2.
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, createResponse1.getConfig().getReaderGroupId(), createResponse1.getConfig().getGeneration(), ImmutableMap.of(0L, 11L, 1L, 11L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, createResponse2.getConfig().getReaderGroupId(), createResponse2.getConfig().getGeneration(), ImmutableMap.of(0L, 11L, 1L, 11L), 0L).join();
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, time.get(), null, "").join();
    // retentionset: 0L: 0L/2L, 1L/2L... 2L: 0L/2L, 1L/2L... 10L: 0/10, 1/10....11L: 0/10, 1/10... 20L: 0/11, 1/11
    // subscriber lowerbound is 0/11, 1/11
    truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    // truncate at limit min
    assertEquals(truncationRecord.getObject().getStreamCut().get(0L).longValue(), 10L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(1L).longValue(), 10L);
    assertTrue(truncationRecord.getObject().isUpdating());
    streamStorePartialMock.completeTruncation(SCOPE, stream1, truncationRecord, null, executor).join();
    // endregion
    // region case 4: lowerbound behind max
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(30L, 40L, ImmutableMap.of(0L, 20L, 1L, 20L)), null, executor).join();
    time.set(40L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 42L, ImmutableMap.of(0L, 21L, 1L, 21L)), null, executor).join();
    // update both readers to make sure they have read till the latest position - 1. we have set the min limit to 2.
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, consumpRGConfig.getReaderGroupId().toString(), 0L, ImmutableMap.of(0L, 11L, 1L, 11L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, consumpRGConfig.getReaderGroupId().toString(), 0L, ImmutableMap.of(0L, 11L, 1L, 11L), 0L).join();
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, time.get(), null, "").join();
    // now retention set has five stream cuts 1: 0/2, 1/2...10: 0/10, 1/10... 20: 0/11, 1/11.. 30: 0/20, 1/20.. 40L: 0/21, 1/21
    // subscriber lowerbound is 0/11, 1/11 ..
    // maxbound = 30. truncate at max
    // maxlimit = 30
    // lowerbound is behind maxbound. we will truncate at max
    truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    assertEquals(truncationRecord.getObject().getStreamCut().get(0L).longValue(), 20L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(1L).longValue(), 20L);
    assertTrue(truncationRecord.getObject().isUpdating());
    streamStorePartialMock.completeTruncation(SCOPE, stream1, truncationRecord, null, executor).join();
    // endregion
    // region case 5: lowerbound overlaps with maxbound
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(50L, 43L, ImmutableMap.of(0L, 21L, 1L, 22L)), null, executor).join();
    time.set(59L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 60L, ImmutableMap.of(0L, 30L, 1L, 30L)), null, executor).join();
    time.set(60L);
    streamStorePartialMock.addStreamCutToRetentionSet(SCOPE, stream1, new StreamCutRecord(time.get(), 60L, ImmutableMap.of(0L, 30L, 1L, 30L)), null, executor).join();
    // update both readers to make sure they have read till the latest position - 1. we have set the min limit to 2.
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber1Name, consumpRGConfig.getReaderGroupId().toString(), 0L, ImmutableMap.of(0L, 22L, 1L, 21L), 0L).join();
    streamMetadataTasks.updateSubscriberStreamCut(SCOPE, stream1, subscriber2Name, consumpRGConfig.getReaderGroupId().toString(), 0L, ImmutableMap.of(0L, 22L, 1L, 21L), 0L).join();
    streamMetadataTasks.retention(SCOPE, stream1, retentionPolicy, time.get(), null, "").join();
    // now retention set has eight stream cuts 1: 0/2, 1/2...10: 0/10, 1/10... 20: 0/11, 1/11.. 30: 0/20, 1/20.. 40L: 0/21, 1/21
    // 50: 0/21, 1/22 ... 59: 0/30, 1/30.. 60: 0/30, 1/30
    // subscriber lowerbound is 0/22, 1/21
    // max: 50, limit: 50
    // this overlaps with max. so truncate at max (50: 0/21, 1/22)
    truncationRecord = streamStorePartialMock.getTruncationRecord(SCOPE, stream1, null, executor).join();
    assertEquals(truncationRecord.getObject().getStreamCut().get(0L).longValue(), 21L);
    assertEquals(truncationRecord.getObject().getStreamCut().get(1L).longValue(), 22L);
    assertTrue(truncationRecord.getObject().isUpdating());
    streamStorePartialMock.completeTruncation(SCOPE, stream1, truncationRecord, null, executor).join();
// endregion
}

Example 13 with StreamCut

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut in project pravega by pravega.

the class StreamMetadataStoreTest method testReaderGroups.

@Test(timeout = 30000)
public void testReaderGroups() throws Exception {
    final String scopeRGTest = "scopeRGTest";
    final String streamRGTest = "streamRGTest";
    final ScalingPolicy policy = ScalingPolicy.fixed(1);
    final StreamConfiguration configuration = StreamConfiguration.builder().scalingPolicy(policy).build();
    long start = System.currentTimeMillis();
    Controller.CreateScopeStatus createScopeStatus = store.createScope(scopeRGTest, null, executor).join();
    assertEquals(Controller.CreateScopeStatus.Status.SUCCESS, createScopeStatus.getStatus());
    store.createStream(scopeRGTest, streamRGTest, configuration, start, null, executor).join();
    store.setState(scopeRGTest, streamRGTest, State.ACTIVE, null, executor).join();
    final String rgName = "readerGroupRGTest";
    final UUID rgId = UUID.randomUUID();
    final Segment seg0 = new Segment(scopeRGTest, streamRGTest, 0L);
    final Segment seg1 = new Segment(scopeRGTest, streamRGTest, 1L);
    ImmutableMap<Segment, Long> startStreamCut = ImmutableMap.of(seg0, 10L, seg1, 10L);
    Map<Stream, StreamCut> startSC = ImmutableMap.of(Stream.of(scopeRGTest, streamRGTest), new StreamCutImpl(Stream.of(scopeRGTest, streamRGTest), startStreamCut));
    ImmutableMap<Segment, Long> endStreamCut = ImmutableMap.of(seg0, 200L, seg1, 300L);
    Map<Stream, StreamCut> endSC = ImmutableMap.of(Stream.of(scopeRGTest, streamRGTest), new StreamCutImpl(Stream.of(scopeRGTest, streamRGTest), endStreamCut));
    ReaderGroupConfig rgConfig = ReaderGroupConfig.builder().automaticCheckpointIntervalMillis(30000L).groupRefreshTimeMillis(20000L).maxOutstandingCheckpointRequest(2).retentionType(ReaderGroupConfig.StreamDataRetention.AUTOMATIC_RELEASE_AT_LAST_CHECKPOINT).startingStreamCuts(startSC).endingStreamCuts(endSC).build();
    rgConfig = ReaderGroupConfig.cloneConfig(rgConfig, rgId, 0L);
    final OperationContext rgContext = store.createRGContext(scopeRGTest, rgName, 0L);
    store.addReaderGroupToScope(scopeRGTest, rgName, rgConfig.getReaderGroupId(), rgContext, executor).join();
    store.createReaderGroup(scopeRGTest, rgName, rgConfig, System.currentTimeMillis(), rgContext, executor).join();
    UUID readerGroupId = store.getReaderGroupId(scopeRGTest, rgName, rgContext, executor).get();
    assertEquals(rgId, readerGroupId);
    ReaderGroupConfigRecord cfgRecord = store.getReaderGroupConfigRecord(scopeRGTest, rgName, rgContext, executor).join().getObject();
    assertEquals(false, cfgRecord.isUpdating());
    assertEquals(rgConfig.getGeneration(), cfgRecord.getGeneration());
    assertEquals(rgConfig.getAutomaticCheckpointIntervalMillis(), cfgRecord.getAutomaticCheckpointIntervalMillis());
    assertEquals(rgConfig.getGroupRefreshTimeMillis(), cfgRecord.getGroupRefreshTimeMillis());
    assertEquals(rgConfig.getStartingStreamCuts().size(), cfgRecord.getStartingStreamCuts().size());
    VersionedMetadata<ReaderGroupState> rgState = store.getVersionedReaderGroupState(scopeRGTest, rgName, true, rgContext, executor).get();
    assertEquals(ReaderGroupState.CREATING, rgState.getObject());
}

Example 14 with StreamCut

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut in project pravega by pravega.

the class StreamMetadataTasksTest method sizeBasedRetentionStreamTest.

@Test(timeout = 30000)
public void sizeBasedRetentionStreamTest() throws Exception {
    final ScalingPolicy policy = ScalingPolicy.fixed(2);
    final RetentionPolicy retentionPolicy = RetentionPolicy.builder().retentionType(RetentionPolicy.RetentionType.SIZE).retentionParam(100L).build();
    String streamName = "test";
    final StreamConfiguration configuration = StreamConfiguration.builder().scalingPolicy(policy).retentionPolicy(retentionPolicy).build();
    streamStorePartialMock.createStream(SCOPE, streamName, configuration, System.currentTimeMillis(), null, executor).get();
    streamStorePartialMock.setState(SCOPE, streamName, State.ACTIVE, null, executor).get();
    assertNotEquals(0, consumer.getCurrentSegments(SCOPE, streamName, 0L).get().size());
    WriterMock requestEventWriter = new WriterMock(streamMetadataTasks, executor);
    streamMetadataTasks.setRequestEventWriter(requestEventWriter);
    // region size based retention on stream cuts on epoch 0
    // region no previous streamcut
    // first retention iteration
    // streamcut1: 19 bytes(0/9,1/10)
    long recordingTime1 = System.currentTimeMillis();
    Map<Long, Long> map1 = new HashMap<>();
    map1.put(0L, 9L);
    map1.put(1L, 10L);
    long size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map1, Optional.empty(), null, executor).join();
    assertEquals(size, 19);
    StreamCutRecord streamCut1 = new StreamCutRecord(recordingTime1, size, ImmutableMap.copyOf(map1));
    doReturn(CompletableFuture.completedFuture(streamCut1)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), any());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime1, null, "").get();
    // verify that one streamCut is generated and added.
    List<StreamCutRecord> list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    assertTrue(list.contains(streamCut1));
    // endregion
    // region stream cut exists but latest - previous < retention.size
    // second retention iteration
    // streamcut2: 100 bytes(0/50, 1/50)
    Map<Long, Long> map2 = new HashMap<>();
    map2.put(0L, 50L);
    map2.put(1L, 50L);
    long recordingTime2 = recordingTime1 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map2, Optional.empty(), null, executor).join();
    assertEquals(size, 100L);
    StreamCutRecord streamCut2 = new StreamCutRecord(recordingTime2, size, ImmutableMap.copyOf(map2));
    doReturn(CompletableFuture.completedFuture(streamCut2)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime2, null, "").get();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    StreamTruncationRecord truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    // verify that two stream cut is in retention set. streamCut2 is added
    // verify that truncation did not happen
    assertTrue(list.contains(streamCut1));
    assertTrue(list.contains(streamCut2));
    assertTrue(!truncProp.isUpdating());
    // endregion
    // region latest - previous > retention.size
    // third retention iteration
    // streamcut3: 120 bytes(0/60, 1/60)
    Map<Long, Long> map3 = new HashMap<>();
    map3.put(0L, 60L);
    map3.put(1L, 60L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map3, Optional.empty(), null, executor).join();
    assertEquals(size, 120L);
    long recordingTime3 = recordingTime2 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut3 = new StreamCutRecord(recordingTime3, size, ImmutableMap.copyOf(map3));
    doReturn(CompletableFuture.completedFuture(streamCut3)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime3, null, "").get();
    // verify two stream cuts are in retention set. Cut 2 and 3.
    // verify that Truncation has happened.
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertTrue(!list.contains(streamCut1));
    assertTrue(list.contains(streamCut2));
    assertTrue(list.contains(streamCut3));
    assertTrue(truncProp.isUpdating());
    assertTrue(truncProp.getStreamCut().get(0L) == 9L && truncProp.getStreamCut().get(1L) == 10L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(truncProp.isUpdating());
    // endregion
    // endregion
    // region test retention over multiple epochs
    // scale1 --> seal segments 0 and 1 and create 2 and 3. (0/70, 1/70)
    List<AbstractMap.SimpleEntry<Double, Double>> newRanges = new ArrayList<>();
    newRanges.add(new AbstractMap.SimpleEntry<>(0.0, 0.5));
    newRanges.add(new AbstractMap.SimpleEntry<>(0.5, 1.0));
    Map<Long, Long> sealedSegmentsWithSize = new HashMap<>();
    sealedSegmentsWithSize.put(0L, 70L);
    sealedSegmentsWithSize.put(1L, 70L);
    scale(SCOPE, streamName, sealedSegmentsWithSize, new ArrayList<>(newRanges));
    long two = computeSegmentId(2, 1);
    long three = computeSegmentId(3, 1);
    // region latest streamcut on new epoch but latest (newepoch) - previous (oldepoch) < retention.size
    // 4th retention iteration
    // streamcut4: (2/29, 3/30)
    Map<Long, Long> map4 = new HashMap<>();
    map4.put(two, 29L);
    map4.put(three, 30L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map4, Optional.empty(), null, executor).join();
    assertEquals(size, 199L);
    long recordingTime4 = recordingTime3 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut4 = new StreamCutRecord(recordingTime4, size, ImmutableMap.copyOf(map4));
    doReturn(CompletableFuture.completedFuture(streamCut4)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime4, null, "").get();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(list.contains(streamCut1));
    assertTrue(list.contains(streamCut2));
    assertTrue(list.contains(streamCut3));
    assertTrue(list.contains(streamCut4));
    assertFalse(truncProp.isUpdating());
    // endregion
    // region latest streamcut on new epoch but latest (newepoch) - previous (oldepoch) > retention.size
    // 5th retention iteration
    // streamcut5: 221 bytes(2/41, 3/40)
    Map<Long, Long> map5 = new HashMap<>();
    map5.put(two, 41L);
    map5.put(three, 40L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map5, Optional.empty(), null, executor).join();
    assertEquals(size, 221L);
    long recordingTime5 = recordingTime4 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut5 = new StreamCutRecord(recordingTime5, size, ImmutableMap.copyOf(map5));
    doReturn(CompletableFuture.completedFuture(streamCut5)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime5, null, "").get();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(list.contains(streamCut1));
    assertFalse(list.contains(streamCut2));
    assertFalse(list.contains(streamCut3));
    assertTrue(list.contains(streamCut4));
    assertTrue(list.contains(streamCut5));
    assertTrue(truncProp.isUpdating());
    assertTrue(truncProp.getStreamCut().get(0L) == 60L && truncProp.getStreamCut().get(1L) == 60L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(truncProp.isUpdating());
    // endregion
    // region test retention with external manual truncation
    // scale2 -->  split segment 2 to 4 and 5. Sealed size for segment 2 = 50
    newRanges = new ArrayList<>();
    newRanges.add(new AbstractMap.SimpleEntry<>(0.0, 0.25));
    newRanges.add(new AbstractMap.SimpleEntry<>(0.25, 0.5));
    sealedSegmentsWithSize = new HashMap<>();
    sealedSegmentsWithSize.put(two, 50L);
    scale(SCOPE, streamName, sealedSegmentsWithSize, new ArrayList<>(newRanges));
    long four = computeSegmentId(4, 2);
    long five = computeSegmentId(5, 2);
    // region add streamcut on new epoch such that latest - oldest < retention.size
    // streamcut6: 290 bytes (3/40, 4/30, 5/30)
    // verify no new truncation happens..
    Map<Long, Long> map6 = new HashMap<>();
    map6.put(three, 40L);
    map6.put(four, 30L);
    map6.put(five, 30L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map6, Optional.empty(), null, executor).join();
    assertEquals(size, 290L);
    long recordingTime6 = recordingTime5 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut6 = new StreamCutRecord(recordingTime6, size, ImmutableMap.copyOf(map6));
    doReturn(CompletableFuture.completedFuture(streamCut6)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime6, null, "").get();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(list.contains(streamCut1));
    assertFalse(list.contains(streamCut2));
    assertFalse(list.contains(streamCut3));
    assertTrue(list.contains(streamCut4));
    assertTrue(list.contains(streamCut5));
    assertTrue(list.contains(streamCut6));
    assertFalse(truncProp.isUpdating());
    // endregion
    // truncate on manual streamcutManual: (1/65, 4/10, 5/10)
    Map<Long, Long> streamCutManual = new HashMap<>();
    streamCutManual.put(1L, 65L);
    streamCutManual.put(four, 10L);
    streamCutManual.put(five, 10L);
    CompletableFuture<UpdateStreamStatus.Status> future = streamMetadataTasks.truncateStream(SCOPE, streamName, streamCutManual, 0L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    assertTrue(Futures.await(future));
    assertEquals(future.join(), UpdateStreamStatus.Status.SUCCESS);
    // streamcut7: 340 bytes (3/50, 4/50, 5/50)
    Map<Long, Long> map7 = new HashMap<>();
    map7.put(three, 50L);
    map7.put(four, 50L);
    map7.put(five, 50L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map7, Optional.empty(), null, executor).join();
    assertEquals(size, 340L);
    long recordingTime7 = recordingTime6 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut7 = new StreamCutRecord(recordingTime7, size, ImmutableMap.copyOf(map7));
    doReturn(CompletableFuture.completedFuture(streamCut7)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    // verify no new truncation.. streamcut5 should be chosen but discarded because it is not strictly-ahead-of-truncationRecord
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime7, null, "").join();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(list.contains(streamCut1));
    assertFalse(list.contains(streamCut2));
    assertFalse(list.contains(streamCut3));
    assertTrue(list.contains(streamCut4));
    assertTrue(list.contains(streamCut5));
    assertTrue(list.contains(streamCut6));
    assertTrue(list.contains(streamCut7));
    assertFalse(truncProp.isUpdating());
    // streamcut8: 400 bytes (3/70, 4/70, 5/70)
    Map<Long, Long> map8 = new HashMap<>();
    map8.put(three, 70L);
    map8.put(four, 70L);
    map8.put(five, 70L);
    size = streamStorePartialMock.getSizeTillStreamCut(SCOPE, streamName, map8, Optional.empty(), null, executor).join();
    assertEquals(size, 400L);
    long recordingTime8 = recordingTime7 + Duration.ofMinutes(Config.MINIMUM_RETENTION_FREQUENCY_IN_MINUTES).toMillis() + 1;
    StreamCutRecord streamCut8 = new StreamCutRecord(recordingTime8, size, ImmutableMap.copyOf(map8));
    doReturn(CompletableFuture.completedFuture(streamCut8)).when(streamMetadataTasks).generateStreamCut(anyString(), anyString(), any(), any(), anyString());
    streamMetadataTasks.retention(SCOPE, streamName, retentionPolicy, recordingTime8, null, "").get();
    list = streamStorePartialMock.getRetentionSet(SCOPE, streamName, null, executor).thenCompose(retentionSet -> {
        return Futures.allOfWithResults(retentionSet.getRetentionRecords().stream().map(x -> streamStorePartialMock.getStreamCutRecord(SCOPE, "test", x, null, executor)).collect(Collectors.toList()));
    }).join();
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    // verify truncation happens at streamcut6
    assertFalse(list.contains(streamCut1));
    assertFalse(list.contains(streamCut2));
    assertFalse(list.contains(streamCut3));
    assertFalse(list.contains(streamCut4));
    assertFalse(list.contains(streamCut5));
    assertFalse(list.contains(streamCut6));
    assertTrue(list.contains(streamCut7));
    assertTrue(truncProp.isUpdating());
    assertTrue(truncProp.getStreamCut().get(three) == 40L && truncProp.getStreamCut().get(four) == 30L && truncProp.getStreamCut().get(five) == 30L);
    assertTrue(Futures.await(processEvent(requestEventWriter)));
    truncProp = streamStorePartialMock.getTruncationRecord(SCOPE, streamName, null, executor).get().getObject();
    assertFalse(truncProp.isUpdating());
    // endregion
    // endregion
    doCallRealMethod().when(streamStorePartialMock).listSubscribers(any(), any(), any(), any());
}

Example 15 with StreamCut

use of io.pravega.controller.stream.api.grpc.v1.Controller.StreamCut in project pravega by pravega.

the class ControllerImplTest method testGetStreamCutSuccessors.

@Test
public void testGetStreamCutSuccessors() throws Exception {
    StreamCut from = new StreamCutImpl(new StreamImpl("scope1", "stream1"), Collections.emptyMap());
    CompletableFuture<StreamSegmentSuccessors> successors = controllerClient.getSuccessors(from);
    assertEquals(2, successors.get().getSegments().size());
}