Examples with DatabusSourcesConnection com.linkedin.databus.client.DatabusSourcesConnection used on opensource projects

Example 16 with DatabusSourcesConnection

use of com.linkedin.databus.client.DatabusSourcesConnection in project databus by linkedin.

the class TestDatabusRelayMain method testRelayChainingBasic.

@Test
public /**
	 * Concurrent consumption of chained relay by client and by chained relay from regular relay
	 */
void testRelayChainingBasic() throws InterruptedException, InvalidConfigException {
    DatabusRelayTestUtil.RelayRunner r1 = null, r2 = null;
    final Logger log = Logger.getLogger("TestDatabusRelayMain.testRelayChainingBasic");
    Logger.getRootLogger().setLevel(Level.INFO);
    log.setLevel(Level.DEBUG);
    log.debug("available processors:" + Runtime.getRuntime().availableProcessors());
    log.debug("available memory:" + Runtime.getRuntime().freeMemory());
    log.debug("total memory:" + Runtime.getRuntime().totalMemory());
    ClientRunner cr = null;
    try {
        String[][] srcNames = { { "com.linkedin.events.example.fake.FakeSchema", "com.linkedin.events.example.person.Person" } };
        // create main relay with random generator
        PhysicalSourceConfig[] srcConfigs = new PhysicalSourceConfig[srcNames.length];
        int i = 0;
        int eventRatePerSec = 20;
        for (String[] srcs : srcNames) {
            PhysicalSourceConfig src1 = DatabusRelayTestUtil.createPhysicalConfigBuilder((short) (i + 1), DatabusRelayTestUtil.getPhysicalSrcName(srcs[0]), "mock", 100, eventRatePerSec, srcs);
            srcConfigs[i++] = src1;
        }
        int relayPort = Utils.getAvailablePort(11994);
        DatabusRelayMain relay1 = DatabusRelayTestUtil.createDatabusRelayWithSchemaReg(1002, relayPort, 10 * 1024 * 1024, srcConfigs, SCHEMA_REGISTRY_DIR);
        Assert.assertNotNull(relay1);
        r1 = new DatabusRelayTestUtil.RelayRunner(relay1);
        log.info("create chained relay");
        PhysicalSourceConfig[] chainedSrcConfigs = new PhysicalSourceConfig[srcNames.length];
        int j = 0;
        for (String[] srcs : srcNames) {
            PhysicalSourceConfig src1 = DatabusRelayTestUtil.createPhysicalConfigBuilder((short) (j + 1), DatabusRelayTestUtil.getPhysicalSrcName(srcs[0]), "localhost:" + relayPort, eventRatePerSec, 50, srcs);
            chainedSrcConfigs[j++] = src1;
        }
        int chainedRelayPort = relayPort + 1000;
        DatabusRelayMain relay2 = DatabusRelayTestUtil.createDatabusRelayWithSchemaReg(1003, chainedRelayPort, 1 * 1024 * 1024, chainedSrcConfigs, SCHEMA_REGISTRY_DIR);
        Assert.assertNotNull(relay2);
        r2 = new DatabusRelayTestUtil.RelayRunner(relay2);
        resetSCN(relay2);
        log.info("now create client");
        String srcSubscriptionString = TestUtil.join(srcNames[0], ",");
        String serverName = "localhost:" + chainedRelayPort;
        final CountingConsumer countingConsumer = new CountingConsumer();
        //Set maxSize to 100K, maxEventSize to 50K
        DatabusSourcesConnection clientConn = RelayEventProducer.createDatabusSourcesConnection("testProducer", serverName, srcSubscriptionString, countingConsumer, 100 * 1024, 10000, 30 * 1000, 100, 30 * 1000, 1, true);
        cr = new ClientRunner(clientConn);
        log.info("async starts for all components");
        r1.start();
        assertRelayRunning(r1.getRelay(), 5000, log);
        log.info("start chained relay");
        r2.start();
        assertRelayRunning(r2.getRelay(), 5000, log);
        Thread.sleep(5 * 1000);
        r1.pause();
        // wait for r2 to catchup with r1
        final DbusEventsTotalStats stats = relay1.getInboundEventStatisticsCollector().getTotalStats();
        final DbusEventsTotalStats stats2 = relay2.getInboundEventStatisticsCollector().getTotalStats();
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("stats2.getNumSysEvents()=" + stats2.getNumSysEvents());
                return stats2.getNumSysEvents() == stats.getNumSysEvents();
            }
        }, "wait for chained relay to catchup", 60000, log);
        log.info("start the client");
        cr.start();
        // wait until client got all events or for maxTimeout;
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.debug("countingConsumer.getNumWindows()=" + countingConsumer.getNumWindows());
                return countingConsumer.getNumWindows() == stats.getNumSysEvents();
            }
        }, "wait until client got all events", 10000, log);
        LOG.info("Client stats=" + countingConsumer);
        LOG.info("Event windows generated=" + stats.getNumSysEvents());
        LOG.info("numDataEvents=" + stats.getNumDataEvents() + " numWindows=" + stats.getNumSysEvents() + " size=" + stats.getSizeDataEvents());
        LOG.info("numDataEvents2=" + stats2.getNumDataEvents() + " numWindows2=" + stats2.getNumSysEvents() + " size2=" + stats2.getSizeDataEvents());
        Assert.assertEquals(stats.getNumDataEvents(), countingConsumer.getNumDataEvents());
        Assert.assertEquals(countingConsumer.getNumSources(), 2);
        Assert.assertEquals(stats.getNumSysEvents(), countingConsumer.getNumWindows());
    } finally {
        cleanup(new DatabusRelayTestUtil.RelayRunner[] { r1, r2 }, cr);
    }
}

Example 17 with DatabusSourcesConnection

use of com.linkedin.databus.client.DatabusSourcesConnection in project databus by linkedin.

the class TestDatabusRelayMain method testRelayChainingPartialSubscribeRelay.

@Test
public /**
	 * Chained relay consumes a subset of parent relay
	 */
void testRelayChainingPartialSubscribeRelay() {
    DatabusRelayTestUtil.RelayRunner r1 = null, r2 = null;
    ClientRunner cr = null;
    try {
        String[][] srcNames = { { "com.linkedin.events.example.Account", "com.linkedin.events.example.Settings" } };
        // create main relay with random generator
        PhysicalSourceConfig[] srcConfigs = new PhysicalSourceConfig[srcNames.length];
        int i = 0;
        int eventRatePerSec = 10;
        for (String[] srcs : srcNames) {
            PhysicalSourceConfig src1 = DatabusRelayTestUtil.createPhysicalConfigBuilder((short) (i + 1), DatabusRelayTestUtil.getPhysicalSrcName(srcs[0]), "mock", 500, eventRatePerSec, srcs);
            srcConfigs[i++] = src1;
        }
        int relayPort = 11993;
        DatabusRelayMain relay1 = DatabusRelayTestUtil.createDatabusRelayWithSchemaReg(1008, relayPort, 10 * 1024 * 1024, srcConfigs, SCHEMA_REGISTRY_DIR);
        Assert.assertTrue(null != relay1);
        r1 = new DatabusRelayTestUtil.RelayRunner(relay1);
        // create chained relay
        PhysicalSourceConfig[] chainedSrcConfigs = new PhysicalSourceConfig[srcNames.length];
        int j = 0;
        for (String[] srcs : srcNames) {
            String[] partialSrcs = new String[1];
            partialSrcs[0] = srcs[srcs.length - 1];
            PhysicalSourceConfig src1 = DatabusRelayTestUtil.createPhysicalConfigBuilder((short) (srcs.length), DatabusRelayTestUtil.getPhysicalSrcName(srcs[0]), "localhost:" + relayPort, eventRatePerSec, 50, partialSrcs);
            chainedSrcConfigs[j++] = src1;
        }
        int chainedRelayPort = relayPort + 1;
        DatabusRelayMain relay2 = DatabusRelayTestUtil.createDatabusRelayWithSchemaReg(1009, chainedRelayPort, 10 * 1024 * 1024, chainedSrcConfigs, SCHEMA_REGISTRY_DIR);
        Assert.assertTrue(null != relay2);
        resetSCN(relay2);
        r2 = new DatabusRelayTestUtil.RelayRunner(relay2);
        // now create client:
        String srcSubscriptionString = "com.linkedin.events.example.Settings";
        String serverName = "localhost:" + chainedRelayPort;
        CountingConsumer countingConsumer = new CountingConsumer();
        DatabusSourcesConnection clientConn = RelayEventProducer.createDatabusSourcesConnection("testProducer", serverName, srcSubscriptionString, countingConsumer, 1 * 1024 * 1024, 50000, 30 * 1000, 100, 15 * 1000, 1, true);
        cr = new ClientRunner(clientConn);
        // start relay r1
        r1.start();
        // start chained relay
        r2.start();
        // start client
        cr.start();
        // Let the relay run for 10s
        Thread.sleep(10 * 1000);
        r1.pause();
        // wait until client got all events or for maxTimeout;
        long maxTimeOutMs = 5 * 1000;
        long startTime = System.currentTimeMillis();
        DbusEventsTotalStats stats = relay1.getInboundEventStatisticsCollector().getTotalStats();
        DbusEventsTotalStats statsChained = relay2.getInboundEventStatisticsCollector().getTotalStats();
        while (countingConsumer.getNumWindows() < stats.getNumSysEvents()) {
            Thread.sleep(500);
            // stats.getSizeDataEvents());
            if ((System.currentTimeMillis() - startTime) > maxTimeOutMs) {
                break;
            }
        }
        LOG.info("Client stats=" + countingConsumer);
        LOG.info("Chained stats=" + statsChained.getNumSysEvents());
        LOG.info("Event windows generated=" + stats.getNumSysEvents());
        LOG.info("numDataEvents=" + stats.getNumDataEvents() + " numWindows=" + stats.getNumSysEvents() + " size=" + stats.getSizeDataEvents());
        Assert.assertTrue(stats.getNumSysEvents() == statsChained.getNumSysEvents());
        Assert.assertTrue(statsChained.getNumDataEvents() == countingConsumer.getNumDataEvents());
        Assert.assertTrue(stats.getNumDataEvents() == 2 * countingConsumer.getNumDataEvents());
        Assert.assertTrue(countingConsumer.getNumSources() == 1);
        Assert.assertTrue(stats.getNumSysEvents() == countingConsumer.getNumWindows());
    } catch (Exception e) {
        LOG.error("Exception: " + e);
        Assert.assertTrue(false);
    } finally {
        cleanup(new DatabusRelayTestUtil.RelayRunner[] { r1, r2 }, cr);
    }
}