use of io.pravega.shared.protocol.netty.PravegaNodeUri in project pravega by pravega.
the class ReaderGroupStateManagerTest method testCompaction.
@Test(timeout = 10000)
public void testCompaction() throws ReaderNotInReaderGroupException {
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, false);
createScopeAndStream(scope, stream, controller);
MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
@Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
SynchronizerConfig config = SynchronizerConfig.builder().build();
@Cleanup StateSynchronizer<ReaderGroupState> state1 = createState(stream, clientFactory, config);
Segment s1 = new Segment(scope, stream, 1);
Segment s2 = new Segment(scope, stream, 2);
Map<SegmentWithRange, Long> segments = new HashMap<>();
segments.put(new SegmentWithRange(s1, 0.0, 0.5), 1L);
segments.put(new SegmentWithRange(s2, 0.5, 1.0), 2L);
AtomicLong clock = new AtomicLong();
state1.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
ReaderGroupStateManager r1 = new ReaderGroupStateManager(scope, stream, "r1", state1, controller, clock::get);
r1.initializeReader(0);
r1.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap()));
assertTrue(state1.getState().getUnassignedSegments().isEmpty());
assertEquals(state1.getState().getAssignedSegments("r1"), segments);
state1.compact(s -> new ReaderGroupState.CompactReaderGroupState(s));
clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
r1.acquireNewSegmentsIfNeeded(0, new PositionImpl(segments));
state1.compact(s -> new ReaderGroupState.CompactReaderGroupState(s));
clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
@Cleanup StateSynchronizer<ReaderGroupState> state2 = createState(stream, clientFactory, config);
ReaderGroupStateManager r2 = new ReaderGroupStateManager(scope, stream, "r2", state2, controller, clock::get);
r2.initializeReader(0);
assertEquals(state1.getState().getPositions(), state2.getState().getPositions());
state1.fetchUpdates();
assertTrue(r1.releaseSegment(s1, 1, 1, new PositionImpl(segments)));
state2.fetchUpdates();
assertFalse(state2.getState().getUnassignedSegments().isEmpty());
assertFalse(r2.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap())).isEmpty());
state2.fetchUpdates();
assertTrue(state2.getState().getUnassignedSegments().isEmpty());
assertEquals(ImmutableMap.of(new SegmentWithRange(s2, 0.5, 1.0), 2L), state2.getState().getAssignedSegments("r1"));
assertEquals(ImmutableMap.of(new SegmentWithRange(s1, 0.0, 0.5), 1L), state2.getState().getAssignedSegments("r2"));
state2.compact(s -> new ReaderGroupState.CompactReaderGroupState(s));
r1.findSegmentToReleaseIfRequired();
r1.acquireNewSegmentsIfNeeded(0, new PositionImpl(ImmutableMap.of(new SegmentWithRange(s2, 0.5, 1.0), 2L)));
r2.getCheckpoint();
@Cleanup StateSynchronizer<ReaderGroupState> state3 = createState(stream, clientFactory, config);
state3.fetchUpdates();
assertEquals(state3.getState().getPositions(), state1.getState().getPositions());
assertEquals(state3.getState().getPositions(), state2.getState().getPositions());
assertEquals(segments, state3.getState().getLastReadPositions(Stream.of(scope, stream)));
}
use of io.pravega.shared.protocol.netty.PravegaNodeUri in project pravega by pravega.
the class ReaderGroupStateManagerTest method testAcquireRace.
@Test(timeout = 5000)
public void testAcquireRace() throws ReaderNotInReaderGroupException {
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, false);
createScopeAndStream(scope, stream, controller);
MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
@Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
SynchronizerConfig config = SynchronizerConfig.builder().build();
@Cleanup StateSynchronizer<ReaderGroupState> state1 = createState(stream, clientFactory, config);
@Cleanup StateSynchronizer<ReaderGroupState> state2 = createState(stream, clientFactory, config);
AtomicLong clock = new AtomicLong();
Map<SegmentWithRange, Long> segments = new HashMap<>();
segments.put(new SegmentWithRange(new Segment(scope, stream, 0), 0.0, 0.25), 0L);
segments.put(new SegmentWithRange(new Segment(scope, stream, 1), 0.25, 0.5), 1L);
segments.put(new SegmentWithRange(new Segment(scope, stream, 2), 0.5, 0.75), 2L);
segments.put(new SegmentWithRange(new Segment(scope, stream, 3), 0.75, 1.0), 3L);
state1.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
ReaderGroupStateManager reader1 = new ReaderGroupStateManager(scope, stream, "reader1", state1, controller, clock::get);
reader1.initializeReader(0);
ReaderGroupStateManager reader2 = new ReaderGroupStateManager(scope, stream, "reader2", state2, controller, clock::get);
reader2.initializeReader(0);
Map<SegmentWithRange, Long> segments1 = reader1.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap()));
assertFalse(segments1.isEmpty());
assertEquals(2, segments1.size());
assertTrue(reader1.acquireNewSegmentsIfNeeded(0, new PositionImpl(segments1)).isEmpty());
clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
assertNull(reader1.findSegmentToReleaseIfRequired());
Map<SegmentWithRange, Long> segments2 = reader2.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap()));
assertFalse(segments2.isEmpty());
assertEquals(2, segments2.size());
assertNull(reader2.findSegmentToReleaseIfRequired());
segments1 = reader1.acquireNewSegmentsIfNeeded(0, new PositionImpl(segments2));
assertTrue(segments1.isEmpty());
}
use of io.pravega.shared.protocol.netty.PravegaNodeUri in project pravega by pravega.
the class ReaderGroupStateManagerTest method testCheckpointUpdatesAssignedSegments.
@Test(timeout = 10000)
public void testCheckpointUpdatesAssignedSegments() throws ReaderNotInReaderGroupException {
String scope = "scope";
String stream = "stream";
String checkpointId = "checkpoint";
String reader1 = "reader1";
String reader2 = "reader2";
PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
SegmentWithRange segment0 = new SegmentWithRange(new Segment(scope, stream, 0), 0.0, 0.33);
SegmentWithRange segment1 = new SegmentWithRange(new Segment(scope, stream, 1), 0.33, 0.66);
SegmentWithRange segment2 = new SegmentWithRange(new Segment(scope, stream, 2), 0.66, 1.0);
MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(), ""));
createScopeAndStream(scope, stream, controller);
MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
@Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
SynchronizerConfig config = SynchronizerConfig.builder().build();
@Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
Map<SegmentWithRange, Long> segments = ImmutableMap.of(segment0, 0L, segment1, 1L, segment2, 2L);
stateSynchronizer.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
val readerState1 = new ReaderGroupStateManager(scope, stream, reader1, stateSynchronizer, controller, null);
readerState1.initializeReader(0);
val readerState2 = new ReaderGroupStateManager(scope, stream, reader2, stateSynchronizer, controller, null);
readerState2.initializeReader(0);
// Assert that readers initially got no assigned segments.
assertNull(readerState1.findSegmentToReleaseIfRequired());
assertNull(readerState2.findSegmentToReleaseIfRequired());
// Assert that both readers have acquired all the segments.
assertEquals(segments.size(), readerState1.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap())).size() + readerState2.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap())).size());
assertEquals(Collections.emptyMap(), stateSynchronizer.getState().getUnassignedSegments());
// Initialize checkpoint in state synchronizer.
stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint(checkpointId));
stateSynchronizer.fetchUpdates();
assertEquals(checkpointId, readerState1.getCheckpoint());
assertEquals(checkpointId, readerState2.getCheckpoint());
// Create some positions for all the segments in the stream > than the initial ones.
Map<SegmentWithRange, Long> checkpointPositions = new HashMap<>();
checkpointPositions.put(segment0, 10L);
checkpointPositions.put(segment1, 10L);
checkpointPositions.put(segment2, 10L);
// This should update assigned segments offsets with the checkpoint positions.
readerState1.checkpoint(checkpointId, new PositionImpl(checkpointPositions));
readerState2.checkpoint(checkpointId, new PositionImpl(checkpointPositions));
assertTrue(stateSynchronizer.getState().isCheckpointComplete(checkpointId));
// Verify that assigned getPositions() retrieves the updated segment offsets.
Map<Stream, Map<SegmentWithRange, Long>> readergroupPositions = new HashMap<>();
readergroupPositions.put(Stream.of(scope, stream), checkpointPositions);
assertEquals(stateSynchronizer.getState().getPositions(), readergroupPositions);
}
use of io.pravega.shared.protocol.netty.PravegaNodeUri in project pravega by pravega.
the class ReaderGroupStateManagerTest method testReachEnd.
@Test(timeout = 10000)
public void testReachEnd() throws ReaderNotInReaderGroupException {
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, false);
createScopeAndStream(scope, stream, controller);
MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
@Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
@Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, SynchronizerConfig.builder().build());
Map<SegmentWithRange, Long> segments = new HashMap<>();
SegmentWithRange segment = new SegmentWithRange(new Segment(scope, stream, 0), 0.0, 1.0);
segments.put(segment, 1L);
StreamCutImpl start = new StreamCutImpl(Stream.of(scope, stream), ImmutableMap.of(segment.getSegment(), 0L));
StreamCutImpl end = new StreamCutImpl(Stream.of(scope, stream), ImmutableMap.of(segment.getSegment(), 100L));
ReaderGroupConfig config = ReaderGroupConfig.builder().stream(Stream.of(scope, stream), start, end).build();
stateSynchronizer.initialize(new ReaderGroupState.ReaderGroupStateInit(config, segments, ReaderGroupImpl.getEndSegmentsForStreams(config), false));
ReaderGroupStateManager readerState = new ReaderGroupStateManager(scope, stream, "testReader", stateSynchronizer, controller, null);
readerState.initializeReader(0);
Segment toRelease = readerState.findSegmentToReleaseIfRequired();
assertNull(toRelease);
Map<SegmentWithRange, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(segments));
assertFalse(newSegments.isEmpty());
assertEquals(1, newSegments.size());
assertTrue(newSegments.containsKey(segment));
assertTrue(readerState.handleEndOfSegment(segment));
}
use of io.pravega.shared.protocol.netty.PravegaNodeUri in project pravega by pravega.
the class ReaderGroupStateManagerTest method testSegmentMerge.
@Test(timeout = 20000)
public void testSegmentMerge() throws ReaderNotInReaderGroupException {
String scope = "scope";
String stream = "stream";
PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
SegmentWithRange initialSegmentA = new SegmentWithRange(new Segment(scope, stream, 0L), 0.0, 0.5);
SegmentWithRange initialSegmentB = new SegmentWithRange(new Segment(scope, stream, 1L), 0.5, 1.0);
SegmentWithRange successor = new SegmentWithRange(new Segment(scope, stream, 2L), 0.0, 1.0);
MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(Collections.singletonMap(successor, ImmutableList.of(0L, 1L)), ""));
createScopeAndStream(scope, stream, controller);
MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
@Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
SynchronizerConfig config = SynchronizerConfig.builder().build();
@Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
Map<SegmentWithRange, Long> segments = new HashMap<>();
segments.put(initialSegmentA, 1L);
segments.put(initialSegmentB, 2L);
stateSynchronizer.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
val readerState = new ReaderGroupStateManager(scope, stream, "testReader", stateSynchronizer, controller, null);
readerState.initializeReader(0);
Map<SegmentWithRange, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap()));
assertEquals(2, newSegments.size());
assertEquals(Long.valueOf(1), newSegments.get(initialSegmentA));
assertEquals(Long.valueOf(2), newSegments.get(initialSegmentB));
readerState.handleEndOfSegment(initialSegmentA);
newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(segments));
assertTrue(newSegments.isEmpty());
readerState.handleEndOfSegment(initialSegmentB);
newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(newSegments));
assertEquals(1, newSegments.size());
assertEquals(Long.valueOf(0), newSegments.get(successor));
newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(newSegments));
assertTrue(newSegments.isEmpty());
}
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