Examples with ClusterMetricGetters net.dempsy.container.ClusterMetricGetters used on opensource projects

Example 1 with ClusterMetricGetters

use of net.dempsy.container.ClusterMetricGetters in project Dempsy by Dempsy.

the class TestWordCount method testWordCountNoRankMultinode.

@Test
public void testWordCountNoRankMultinode() throws Throwable {
    try (@SuppressWarnings("resource") final SystemPropertyManager props = new SystemPropertyManager().set("min_nodes", "2")) {
        final String[][] ctxs = { { "classpath:/word-count/adaptor-kjv.xml", "classpath:/word-count/mp-word-count.xml" }, { "classpath:/word-count/mp-word-count.xml" } };
        WordCounter.aliveWordsToTestPassivate.clear();
        // need to make it wait.
        WordProducer.latch = new CountDownLatch(1);
        runCombos("testWordCountNoRankMultinode", (r, c, s, t, ser) -> isElasticRoutingStrategy(r) && isContainerOkay(c), ctxs, n -> {
            final ClusterId countCId = new ClusterId(currentAppName, "test-cluster1");
            final List<NodeManagerWithContext> nodes = n.nodes;
            final NodeManager[] manager = Arrays.asList(nodes.get(0).manager, nodes.get(1).manager).toArray(new NodeManager[2]);
            final ClassPathXmlApplicationContext[] ctx = Arrays.asList(nodes.get(0).ctx, nodes.get(1).ctx).toArray(new ClassPathXmlApplicationContext[2]);
            // wait until I can reach the cluster from the adaptor.
            assertTrue(poll(o -> manager[0].getRouter().allReachable("test-cluster1").size() == 2));
            assertTrue(poll(o -> manager[1].getRouter().allReachable("test-cluster1").size() == 2));
            WordProducer.latch.countDown();
            final WordProducer adaptor = ctx[0].getBean(WordProducer.class);
            assertTrue(waitForAllSent(adaptor));
            assertTrue(poll(o -> adaptor.done.get()));
            final var statsByNode = Arrays.asList(manager).stream().map(nm -> Pair.with((NodeMetricGetters) nm.getNodeStatsCollector(), (ClusterMetricGetters) nm.getClusterStatsCollector(countCId))).collect(Collectors.toList());
            assertTrue(poll(o -> {
                final int allDiscardedMessagesCount = allDiscardedMessagesCount(null, castToTupleList2(statsByNode));
                return adaptor.numDispatched == allDiscardedMessagesCount + statsByNode.stream().mapToInt(sc -> (int) sc.getValue1().getDispatchedMessageCount()).sum();
            }));
        });
        final int remaining = WordCounter.aliveWordsToTestPassivate.size();
        WordCounter.aliveWordsToTestPassivate.clear();
        assertEquals(0, remaining);
    }
}

Example 2 with ClusterMetricGetters

use of net.dempsy.container.ClusterMetricGetters in project Dempsy by Dempsy.

the class TestWordCount method testWordCountHomogeneousProcessing.

@Test
public void testWordCountHomogeneousProcessing() throws Throwable {
    final String[][] ctxs = { // adaptor only node
    { "classpath:/word-count/adaptor-kjv.xml" }, { "classpath:/word-count/mp-word-count.xml", "classpath:/word-count/mp-word-rank.xml" }, { "classpath:/word-count/mp-word-count.xml", "classpath:/word-count/mp-word-rank.xml" }, { "classpath:/word-count/mp-word-count.xml", "classpath:/word-count/mp-word-rank.xml" }, { "classpath:/word-count/mp-word-count.xml", "classpath:/word-count/mp-word-rank.xml" } };
    // the adaptor is the first one.
    final int NUM_WC = ctxs.length - 1;
    try (@SuppressWarnings("resource") final SystemPropertyManager props = new SystemPropertyManager().set("min_nodes", Integer.toString(NUM_WC)).set("routing-group", ":group").set("send_threads", "1").set("receive_threads", "1").set("blocking-queue-size", "500000")) {
        WordCounter.aliveWordsToTestPassivate.clear();
        // need to make it wait.
        WordProducer.latch = new CountDownLatch(1);
        runCombos("testWordCountHomogeneousProcessing", (r, c, s, t, ser) -> isElasticRoutingStrategy(r) && isContainerOkay(c), ctxs, n -> {
            final ClusterId countCId = new ClusterId(currentAppName, "test-cluster1");
            final ClusterId rankCId = new ClusterId(currentAppName, "test-cluster2");
            final List<NodeManagerWithContext> nodes = n.nodes;
            final NodeManager[] managers = nodes.stream().map(nm -> nm.manager).toArray(NodeManager[]::new);
            // wait until I can reach the cluster from the adaptor.
            assertTrue(poll(o -> managers[0].getRouter().allReachable("test-cluster1").size() == NUM_WC));
            assertTrue(poll(o -> managers[0].getRouter().allReachable("test-cluster2").size() == NUM_WC));
            WordProducer.latch.countDown();
            final WordProducer adaptor = nodes.get(0).ctx.getBean(WordProducer.class);
            waitForAllSent(adaptor);
            // get all of the stats collectors.
            final List<Triplet<NodeMetricGetters, ClusterMetricGetters, ClusterMetricGetters>> statsByNode = Arrays.asList(managers).subList(1, managers.length).stream().map(nm -> Triplet.with((NodeMetricGetters) nm.getNodeStatsCollector(), (ClusterMetricGetters) nm.getClusterStatsCollector(countCId), (ClusterMetricGetters) nm.getClusterStatsCollector(rankCId))).collect(Collectors.toList());
            final NodeMetricGetters adaptorStats = (NodeMetricGetters) managers[0].getNodeStatsCollector();
            final int totalSent = adaptor.numDispatched;
            // now wait for the sum of all messages received by the ranking to be the number sent
            assertTrue(poll(o -> {
                // System.out.println("" + adaptor.numDispatched + " ==? ");
                final int allDiscardedMessagesCount = allDiscardedMessagesCount(adaptorStats, castToTupleList3(statsByNode));
                final int totalRanked = allDiscardedMessagesCount + statsByNode.stream().mapToInt(sc -> (int) sc.getValue2().getDispatchedMessageCount()).sum();
                // System.out.println(": " + totalRanked + " == " + totalSent);
                return totalRanked == totalSent;
            }));
            // no nodes (except the adaptor node) should have sent any messages.
            // IOW, messages got to the Rank processor never leaving the node the Count was executed.
            final List<NodeMetricGetters> nodeStats = Arrays.asList(managers).subList(1, managers.length).stream().map(nm -> nm.getNodeStatsCollector()).map(s -> (NodeMetricGetters) s).collect(Collectors.toList());
            // if the routing id isn't a group id then there should be cross talk.
            assertEquals(NUM_WC, nodeStats.size());
            for (final NodeMetricGetters mg : nodeStats) assertEquals(0, mg.getMessagesNotSentCount());
            if (isGroupRoutingStrategy(routerId)) {
                for (final NodeMetricGetters mg : nodeStats) assertEquals(0, mg.getMessagesSentCount());
            } else {
                assertNotNull(nodeStats.stream().filter(mg -> mg.getMessagesSentCount() > 0).findFirst().orElse(null));
            }
        });
        final int remaining = WordCounter.aliveWordsToTestPassivate.size();
        WordCounter.aliveWordsToTestPassivate.clear();
        assertEquals(0, remaining);
    }
}

Example 3 with ClusterMetricGetters

use of net.dempsy.container.ClusterMetricGetters in project Dempsy by Dempsy.

the class TestWordCount method testWordCountNoRank.

// ========================================================================
@Test
public void testWordCountNoRank() throws Throwable {
    try (@SuppressWarnings("resource") final SystemPropertyManager props = new SystemPropertyManager().set("min_nodes", "1")) {
        final String[][] ctxs = { { "classpath:/word-count/adaptor-kjv.xml", "classpath:/word-count/mp-word-count.xml" } };
        WordCounter.aliveWordsToTestPassivate.clear();
        // need to make it wait.
        WordProducer.latch = new CountDownLatch(1);
        runCombos("testWordCountNoRank", (r, c, s, t, ser) -> isContainerOkay(c), ctxs, n -> {
            final List<NodeManagerWithContext> nodes = n.nodes;
            final NodeManager manager = nodes.get(0).manager;
            // wait until I can reach the cluster from the adaptor.
            assertTrue(poll(o -> manager.getRouter().allReachable("test-cluster1").size() == 1));
            final ClassPathXmlApplicationContext ctx = nodes.get(0).ctx;
            final WordProducer adaptor;
            final ClusterMetricGetters stats;
            WordProducer.latch.countDown();
            adaptor = ctx.getBean(WordProducer.class);
            stats = (ClusterMetricGetters) manager.getClusterStatsCollector(new ClusterId(currentAppName, "test-cluster1"));
            assertTrue(poll(o -> adaptor.done.get()));
            assertTrue(poll(o -> {
                // System.out.println("" + adaptor.numDispatched + " == " + stats.getProcessedMessageCount());
                return adaptor.numDispatched == (stats.getProcessedMessageCount() + stats.getMessageDiscardedCount());
            }));
        });
        final int remaining = WordCounter.aliveWordsToTestPassivate.size();
        WordCounter.aliveWordsToTestPassivate.clear();
        assertEquals(0, remaining);
    }
}

Example 4 with ClusterMetricGetters

use of net.dempsy.container.ClusterMetricGetters in project Dempsy by Dempsy.

the class TestElasticity method testExpansionPassivation.

@Test
public void testExpansionPassivation() throws Exception {
    final String[][] actxPath = { { "elasticity/adaptor.xml" }, { "elasticity/mp-num-count.xml" }, { "elasticity/mp-num-rank.xml" } };
    runCombos("testExpansionPassivation", (r, c, s, t, ser) -> isElasticRoutingStrategy(r), actxPath, ns -> {
        final AtomicBoolean keepGoing = new AtomicBoolean(true);
        try {
            final List<NodeManagerWithContext> nodes = new ArrayList<>(ns.nodes);
            // grab the adaptor from the 0'th cluster + the 0'th (only) node.
            final NumberProducer adaptor = nodes.get(0).ctx.getBean(NumberProducer.class);
            // grab access to the Dispatcher from the Adaptor
            final Dispatcher dispatcher = adaptor.dispatcher;
            final AtomicInteger rankIndexToSend = new AtomicInteger(0);
            final Runnable sendMessages = () -> {
                // for an integer is the integer itself so we can get every shard by sending
                try {
                    while (keepGoing.get()) {
                        for (int num = 0; num < 20; num++) {
                            final int number = num;
                            dispatcher.dispatch(uncheck(() -> ke.extract(new Number(number, rankIndexToSend.get()))));
                        }
                    }
                } catch (final InterruptedException ie) {
                    if (keepGoing.get())
                        LOGGER.info("send message thread interrupted but still running.");
                }
            };
            try (final ClusterInfoSession session = ns.sessionFactory.createSession()) {
                waitForEvenShardDistribution(session, "test-cluster1", 1, nodes);
                final NumberRank rank = nodes.get(2).ctx.getBean(NumberRank.class);
                runACycle(keepGoing, rankIndexToSend.get(), rank, sendMessages);
                // now we have 20 Mps in test-cluster1
                final ClusterMetricGetters sc = (ClusterMetricGetters) nodes.get(1).manager.getClusterStatsCollector(new ClusterId(currentAppName, "test-cluster1"));
                assertEquals(20L, sc.getMessageProcessorCount());
                // add a second node for the cluster test-cluster1
                nodes.add(makeNode(new String[] { "elasticity/mp-num-count.xml" }));
                waitForEvenShardDistribution(session, "test-cluster1", 2, nodes);
                // about 1/2 should drop out.
                assertTrue(poll(o -> {
                    // System.err.println(sc.getMessageProcessorCount());
                    return sc.getMessageProcessorCount() < 15L;
                }));
            }
        } finally {
            keepGoing.set(false);
        }
    });
}

Example 5 with ClusterMetricGetters

use of net.dempsy.container.ClusterMetricGetters in project Dempsy by Dempsy.

the class TestResourceManagement method executeSimpleWordCountTest.

private void executeSimpleWordCountTest(final String[][] ctxs, final String testName) throws Throwable {
    try (@SuppressWarnings("resource") final SystemPropertyManager props = new SystemPropertyManager().set("min_nodes", "1")) {
        // need to make it wait.
        WordProducer.latch = new CountDownLatch(1);
        runCombos(testName, ctxs, new TestToRun() {

            @Override
            public void test(final Nodes n) throws Exception {
                clear();
                try {
                    final List<NodeManagerWithContext> nodes = n.nodes;
                    final NodeManager manager1 = nodes.get(0).manager;
                    // wait until I can reach the cluster from the adaptor.
                    assertTrue(poll(o -> manager1.getRouter().allReachable("test-cluster1").size() == 1));
                    final ClassPathXmlApplicationContext ctx = nodes.get(0).ctx;
                    final WordProducer adaptor;
                    final ClusterMetricGetters stats;
                    WordProducer.latch.countDown();
                    adaptor = ctx.getBean(WordProducer.class);
                    // somtimes there's 1 node, sometimes there's 2
                    final NodeManager manager2 = nodes.size() > 1 ? nodes.get(1).manager : manager1;
                    stats = (ClusterMetricGetters) manager2.getClusterStatsCollector(new ClusterId(currentAppName, "test-cluster1"));
                    assertTrue(poll(o -> adaptor.done.get()));
                    assertTrue(poll(o -> {
                        // System.out.println("" + adaptor.numDispatched + " == " + stats.getProcessedMessageCount());
                        return adaptor.numDispatched == stats.getProcessedMessageCount() + stats.getMessageDiscardedCount();
                    }));
                    // check that all of the Word instances have been freed
                    Word.allWords.forEach(w -> assertFalse(w.amIOpen));
                    Word.allWords.forEach(w -> assertEquals(0, w.refCount()));
                    WordCount.allWordCounts.forEach(w -> assertFalse(w.amIOpen));
                    WordCount.allWordCounts.forEach(w -> assertEquals(0, w.refCount()));
                } finally {
                    clear();
                }
            }

            @Override
            public void postShutdown() throws InterruptedException {
                clear();
            }
        });
    }
}