Examples with SegmentStatsFactory io.pravega.segmentstore.server.host.stat.SegmentStatsFactory used on opensource projects

Example 1 with SegmentStatsFactory

use of io.pravega.segmentstore.server.host.stat.SegmentStatsFactory in project pravega by pravega.

the class ServiceStarter method start.

// endregion
// region Service Operation
public void start() throws Exception {
    Exceptions.checkNotClosed(this.closed, this);
    log.info("Initializing metrics provider ...");
    MetricsProvider.initialize(builderConfig.getConfig(MetricsConfig::builder));
    statsProvider = MetricsProvider.getMetricsProvider();
    statsProvider.start();
    log.info("Initializing ZooKeeper Client ...");
    this.zkClient = createZKClient();
    log.info("Initializing Service Builder ...");
    this.serviceBuilder.initialize();
    log.info("Creating StreamSegmentService ...");
    StreamSegmentStore service = this.serviceBuilder.createStreamSegmentService();
    log.info("Creating Segment Stats recorder ...");
    segmentStatsFactory = new SegmentStatsFactory();
    SegmentStatsRecorder statsRecorder = segmentStatsFactory.createSegmentStatsRecorder(service, builderConfig.getConfig(AutoScalerConfig::builder));
    TokenVerifierImpl tokenVerifier = new TokenVerifierImpl(builderConfig.getConfig(AutoScalerConfig::builder));
    this.listener = new PravegaConnectionListener(this.serviceConfig.isEnableTls(), this.serviceConfig.getListeningIPAddress(), this.serviceConfig.getListeningPort(), service, statsRecorder, tokenVerifier, this.serviceConfig.getCertFile(), this.serviceConfig.getKeyFile());
    this.listener.startListening();
    log.info("PravegaConnectionListener started successfully.");
    log.info("StreamSegmentService started.");
}

Example 2 with SegmentStatsFactory

use of io.pravega.segmentstore.server.host.stat.SegmentStatsFactory in project pravega by pravega.

the class EndToEndAutoScaleUpWithTxnTest method main.

public static void main(String[] args) throws Exception {
    try {
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        int port = Config.SERVICE_PORT;
        @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), port);
        Controller controller = controllerWrapper.getController();
        controllerWrapper.getControllerService().createScope(NameUtils.INTERNAL_SCOPE_NAME).get();
        @Cleanup ConnectionFactory connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
        @Cleanup ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, connectionFactory);
        ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
        serviceBuilder.initialize();
        StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
        @Cleanup SegmentStatsFactory segmentStatsFactory = new SegmentStatsFactory();
        SegmentStatsRecorder statsRecorder = segmentStatsFactory.createSegmentStatsRecorder(store, internalCF, AutoScalerConfig.builder().with(AutoScalerConfig.MUTE_IN_SECONDS, 0).with(AutoScalerConfig.COOLDOWN_IN_SECONDS, 0).build());
        @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, "localhost", 12345, store, statsRecorder, null, null, null);
        server.startListening();
        controllerWrapper.awaitRunning();
        controllerWrapper.getControllerService().createScope("test").get();
        controller.createStream(CONFIG).get();
        @Cleanup MockClientFactory clientFactory = new MockClientFactory("test", controller);
        // Mocking pravega service by putting scale up and scale down requests for the stream
        EventWriterConfig writerConfig = EventWriterConfig.builder().transactionTimeoutTime(30000).transactionTimeoutScaleGracePeriod(30000).build();
        EventStreamWriter<String> test = clientFactory.createEventWriter("test", new JavaSerializer<>(), writerConfig);
        // region Successful commit tests
        Transaction<String> txn1 = test.beginTxn();
        txn1.writeEvent("1");
        txn1.flush();
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 1.0 / 3.0);
        map.put(1.0 / 3.0, 2.0 / 3.0);
        map.put(2.0 / 3.0, 1.0);
        Stream stream = new StreamImpl("test", "test");
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get();
        Transaction<String> txn2 = test.beginTxn();
        txn2.writeEvent("2");
        txn2.flush();
        txn2.commit();
        txn1.commit();
        Thread.sleep(1000);
        @Cleanup ReaderGroupManager readerGroupManager = new ReaderGroupManagerImpl("test", controller, clientFactory, connectionFactory);
        readerGroupManager.createReaderGroup("readergrp", ReaderGroupConfig.builder().stream("test").build());
        final EventStreamReader<String> reader = clientFactory.createReader("1", "readergrp", new JavaSerializer<>(), ReaderConfig.builder().build());
        String event1 = reader.readNextEvent(SECONDS.toMillis(60)).getEvent();
        String event2 = reader.readNextEvent(SECONDS.toMillis(60)).getEvent();
        assert event1.equals("1");
        assert event2.equals("2");
        final AtomicBoolean done = new AtomicBoolean(false);
        startWriter(test, done);
        Retry.withExpBackoff(10, 10, 100, 10000).retryingOn(NotDoneException.class).throwingOn(RuntimeException.class).runAsync(() -> controller.getCurrentSegments("test", "test").thenAccept(streamSegments -> {
            if (streamSegments.getSegments().size() > 3) {
                System.err.println("Success");
                log.info("Success");
                System.exit(0);
            } else {
                throw new NotDoneException();
            }
        }), Executors.newSingleThreadScheduledExecutor()).exceptionally(e -> {
            System.err.println("Failure");
            log.error("Failure");
            System.exit(1);
            return null;
        }).get();
    } catch (Throwable e) {
        System.err.print("Test failed with exception: " + e.getMessage());
        log.error("Test failed with exception: {}", e);
        System.exit(-1);
    }
    System.exit(0);
}

Example 3 with SegmentStatsFactory

use of io.pravega.segmentstore.server.host.stat.SegmentStatsFactory in project pravega by pravega.

the class EndToEndAutoScaleUpTest method main.

public static void main(String[] args) throws Exception {
    try {
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        int port = Config.SERVICE_PORT;
        @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), port, false);
        Controller controller = controllerWrapper.getController();
        ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, new ConnectionFactoryImpl(ClientConfig.builder().build()));
        ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
        serviceBuilder.initialize();
        StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
        @Cleanup SegmentStatsFactory segmentStatsFactory = new SegmentStatsFactory();
        SegmentStatsRecorder statsRecorder = segmentStatsFactory.createSegmentStatsRecorder(store, internalCF, AutoScalerConfig.builder().with(AutoScalerConfig.MUTE_IN_SECONDS, 0).with(AutoScalerConfig.COOLDOWN_IN_SECONDS, 0).build());
        @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, "localhost", 12345, store, statsRecorder, null, null, null);
        server.startListening();
        controllerWrapper.awaitRunning();
        controllerWrapper.getControllerService().createScope("test").get();
        controller.createStream(CONFIG).get();
        @Cleanup MockClientFactory clientFactory = new MockClientFactory("test", controller);
        // Mocking pravega service by putting scale up and scale down requests for the stream
        EventStreamWriter<String> test = clientFactory.createEventWriter("test", new JavaSerializer<>(), EventWriterConfig.builder().build());
        // keep writing. Scale should happen
        long start = System.currentTimeMillis();
        char[] chars = new char[1];
        Arrays.fill(chars, 'a');
        String str = new String(chars);
        CompletableFuture.runAsync(() -> {
            while (System.currentTimeMillis() - start < Duration.ofMinutes(3).toMillis()) {
                try {
                    test.writeEvent("0", str).get();
                } catch (Throwable e) {
                    System.err.println("test exception writing events " + e.getMessage());
                    break;
                }
            }
        });
        Retry.withExpBackoff(10, 10, 100, 10000).retryingOn(NotDoneException.class).throwingOn(RuntimeException.class).runAsync(() -> controller.getCurrentSegments("test", "test").thenAccept(streamSegments -> {
            if (streamSegments.getSegments().size() > 3) {
                System.err.println("Success");
                log.info("Success");
                System.exit(0);
            } else {
                throw new NotDoneException();
            }
        }), Executors.newSingleThreadScheduledExecutor()).exceptionally(e -> {
            System.err.println("Failure");
            log.error("Failure");
            System.exit(1);
            return null;
        }).get();
    } catch (Throwable e) {
        System.err.print("Test failed with exception: " + e.getMessage());
        System.exit(-1);
    }
    System.exit(0);
}

Example 4 with SegmentStatsFactory

use of io.pravega.segmentstore.server.host.stat.SegmentStatsFactory in project pravega by pravega.

the class EndToEndAutoScaleDownTest method main.

public static void main(String[] args) throws Exception {
    try {
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        int port = Config.SERVICE_PORT;
        @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), port, false);
        Controller controller = controllerWrapper.getController();
        controllerWrapper.getControllerService().createScope(NameUtils.INTERNAL_SCOPE_NAME).get();
        ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, new ConnectionFactoryImpl(ClientConfig.builder().build()));
        ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
        serviceBuilder.initialize();
        StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
        @Cleanup SegmentStatsFactory segmentStatsFactory = new SegmentStatsFactory();
        SegmentStatsRecorder statsRecorder = segmentStatsFactory.createSegmentStatsRecorder(store, internalCF, AutoScalerConfig.builder().with(AutoScalerConfig.MUTE_IN_SECONDS, 0).with(AutoScalerConfig.COOLDOWN_IN_SECONDS, 0).with(AutoScalerConfig.CACHE_CLEANUP_IN_SECONDS, 5).with(AutoScalerConfig.CACHE_EXPIRY_IN_SECONDS, 30).build());
        @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, "localhost", 12345, store, statsRecorder, null, null, null);
        server.startListening();
        controllerWrapper.awaitRunning();
        controllerWrapper.getControllerService().createScope("test").get();
        controller.createStream(CONFIG).get();
        Stream stream = new StreamImpl("test", "test");
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 0.33);
        map.put(0.33, 0.66);
        map.put(0.66, 1.0);
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get();
        Retry.withExpBackoff(10, 10, 100, 10000).retryingOn(NotDoneException.class).throwingOn(RuntimeException.class).runAsync(() -> controller.getCurrentSegments("test", "test").thenAccept(streamSegments -> {
            if (streamSegments.getSegments().size() < 3) {
                System.err.println("Success");
                log.info("Success");
                System.exit(0);
            } else {
                throw new NotDoneException();
            }
        }), Executors.newSingleThreadScheduledExecutor()).exceptionally(e -> {
            System.err.println("Failure");
            log.error("Failure");
            System.exit(1);
            return null;
        }).get();
    } catch (Throwable e) {
        System.err.print("Test failed with exception: " + e.getMessage());
        System.exit(-1);
    }
    System.exit(0);
}