Examples with IgniteCompute org.apache.ignite.IgniteCompute used on opensource projects

Example 26 with IgniteCompute

use of org.apache.ignite.IgniteCompute in project ignite by apache.

the class GridCacheQueueJoinedNodeSelfAbstractTest method testTakeFromJoined.

/**
 * @throws Exception If failed.
 */
public void testTakeFromJoined() throws Exception {
    String queueName = UUID.randomUUID().toString();
    IgniteQueue<Integer> queue = grid(0).queue(queueName, 0, config(true));
    assertNotNull(queue);
    assertTrue(queue.isEmpty());
    PutJob putJob = new PutJob(queueName);
    IgniteCompute comp = compute(grid(0).cluster().forLocal());
    IgniteFuture<?> fut = comp.runAsync(putJob);
    Collection<IgniteFuture<?>> futs = new ArrayList<>(GRID_CNT - 1);
    Collection<TakeJob> jobs = new ArrayList<>(GRID_CNT - 1);
    int itemsLeft = ITEMS_CNT;
    for (int i = 1; i < GRID_CNT; i++) {
        int cnt = ITEMS_CNT / (GRID_CNT - 1);
        TakeJob job = new TakeJob(queueName, cnt, 10);
        jobs.add(job);
        comp = compute(grid(i).cluster().forLocal());
        futs.add(comp.callAsync(job));
        itemsLeft -= cnt;
    }
    assertEquals("Not all items will be polled", 0, itemsLeft);
    // Wait for half of items to be polled.
    for (TakeJob job : jobs) job.awaitItems();
    log.info("Start one more grid.");
    Ignite joined = startGrid(GRID_CNT);
    // We expect at least one item to be taken.
    TakeJob joinedJob = new TakeJob(queueName, 1, 1);
    jobs.add(joinedJob);
    Integer polled = forLocal(joined).call(joinedJob);
    assertNotNull("Joined node should poll item", polled);
    info(">>> Joined node polled " + polled);
    for (IgniteFuture<?> f : futs) f.cancel();
    putJob.stop(true);
    fut.get();
    for (TakeJob job : jobs) job.awaitDone();
}

Example 27 with IgniteCompute

use of org.apache.ignite.IgniteCompute in project ignite by apache.

the class GridCachePutAllFailoverSelfTest method checkPutAllFailover.

/**
 * Tests putAll() method along with failover and cache backup.
 *
 * Checks that the resulting primary cache size is the same as
 * expected.
 *
 * @param near Near enabled.
 * @param workerCnt Worker count.
 * @param shutdownCnt Shutdown count.
 * @throws Exception If failed.
 */
public void checkPutAllFailover(boolean near, int workerCnt, int shutdownCnt) throws Exception {
    nearEnabled = near;
    backups = shutdownCnt;
    Collection<Integer> testKeys = generateTestKeys();
    final Ignite master = startGrid(MASTER);
    List<Ignite> workers = new ArrayList<>(workerCnt);
    for (int i = 1; i <= workerCnt; i++) workers.add(startGrid("worker" + i));
    info("Master: " + master.cluster().localNode().id());
    List<Ignite> runningWorkers = new ArrayList<>(workerCnt);
    for (int i = 1; i <= workerCnt; i++) {
        UUID id = workers.get(i - 1).cluster().localNode().id();
        info(String.format("Worker%d - %s", i, id));
        runningWorkers.add(workers.get(i - 1));
    }
    try {
        // Dummy call to fetch affinity function from remote node
        master.affinity(CACHE_NAME).mapKeyToNode("Dummy");
        Random rnd = new Random();
        Collection<Integer> dataChunk = new ArrayList<>(DATA_CHUNK_SIZE);
        int entryCntr = 0;
        int chunkCntr = 0;
        final AtomicBoolean jobFailed = new AtomicBoolean(false);
        int failoverPushGap = 0;
        final CountDownLatch emptyLatch = new CountDownLatch(1);
        final AtomicBoolean inputExhausted = new AtomicBoolean();
        IgniteCompute comp = compute(master.cluster().forPredicate(workerNodesFilter));
        for (Integer key : testKeys) {
            dataChunk.add(key);
            entryCntr++;
            if (entryCntr == DATA_CHUNK_SIZE) {
                // time to send data
                chunkCntr++;
                assert dataChunk.size() == DATA_CHUNK_SIZE;
                log.info("Pushing data chunk [chunkNo=" + chunkCntr + "]");
                ComputeTaskFuture<Void> fut = comp.executeAsync(new GridCachePutAllTask(runningWorkers.get(rnd.nextInt(runningWorkers.size())).cluster().localNode().id(), CACHE_NAME), dataChunk);
                // Blocks if queue is full.
                resQueue.put(fut);
                fut.listen(new CI1<IgniteFuture<Void>>() {

                    @Override
                    public void apply(IgniteFuture<Void> f) {
                        ComputeTaskFuture<?> taskFut = (ComputeTaskFuture<?>) f;
                        try {
                            // if something went wrong - we'll get exception here
                            taskFut.get();
                        } catch (IgniteException e) {
                            log.error("Job failed", e);
                            jobFailed.set(true);
                        }
                        // Remove complete future from queue to allow other jobs to proceed.
                        resQueue.remove(taskFut);
                        if (inputExhausted.get() && resQueue.isEmpty())
                            emptyLatch.countDown();
                    }
                });
                entryCntr = 0;
                dataChunk = new ArrayList<>(DATA_CHUNK_SIZE);
                if (chunkCntr >= FAIL_ON_CHUNK_NO) {
                    if (workerCnt - runningWorkers.size() < shutdownCnt) {
                        if (failoverPushGap > 0)
                            failoverPushGap--;
                        else {
                            Ignite victim = runningWorkers.remove(0);
                            info("Shutting down node: " + victim.cluster().localNode().id());
                            stopGrid(victim.name());
                            // Fail next node after some jobs have been pushed.
                            failoverPushGap = FAILOVER_PUSH_GAP;
                        }
                    }
                }
            }
        }
        inputExhausted.set(true);
        if (resQueue.isEmpty())
            emptyLatch.countDown();
        assert chunkCntr == TEST_MAP_SIZE / DATA_CHUNK_SIZE;
        // Wait for queue to empty.
        log.info("Waiting for empty queue...");
        boolean failedWait = false;
        if (!emptyLatch.await(AWAIT_TIMEOUT_SEC, TimeUnit.SECONDS)) {
            info(">>> Failed to wait for queue to empty.");
            failedWait = true;
        }
        if (!failedWait)
            assertFalse("One or more jobs have failed.", jobFailed.get());
        Collection<Integer> absentKeys = findAbsentKeys(runningWorkers.get(0), testKeys);
        if (!failedWait && !absentKeys.isEmpty()) {
            // Give some time to preloader.
            U.sleep(20000);
            absentKeys = findAbsentKeys(runningWorkers.get(0), testKeys);
        }
        info(">>> Absent keys: " + absentKeys);
        if (!F.isEmpty(absentKeys)) {
            for (Ignite g : runningWorkers) {
                IgniteKernal k = (IgniteKernal) g;
                info(">>>> Entries on node: " + k.getLocalNodeId());
                GridCacheAdapter<Object, Object> cache = k.internalCache("partitioned");
                for (Integer key : absentKeys) {
                    GridCacheEntryEx entry = cache.peekEx(key);
                    if (entry != null)
                        info(" >>> " + entry);
                    if (cache.context().isNear()) {
                        GridCacheEntryEx entry0 = cache.context().near().dht().peekEx(key);
                        if (entry0 != null)
                            info(" >>> " + entry);
                    }
                }
                info("");
            }
        }
        assertTrue(absentKeys.isEmpty());
        // Actual primary cache size.
        int primaryCacheSize = 0;
        for (Ignite g : runningWorkers) {
            info("Cache size [node=" + g.name() + ", localSize=" + g.cache(CACHE_NAME).localSize() + ", localPrimarySize=" + g.cache(CACHE_NAME).localSize(PRIMARY) + ']');
            primaryCacheSize += ((IgniteKernal) g).internalCache(CACHE_NAME).primarySize();
        }
        assertEquals(TEST_MAP_SIZE, primaryCacheSize);
        for (Ignite g : runningWorkers) assertEquals(TEST_MAP_SIZE, g.cache(CACHE_NAME).size(PRIMARY));
    } finally {
        stopAllGrids();
    }
}

Example 28 with IgniteCompute

use of org.apache.ignite.IgniteCompute in project ignite by apache.

the class IgniteRejectConnectOnNodeStopTest method testNodeStop.

/**
 * @throws Exception If failed.
 */
public void testNodeStop() throws Exception {
    Ignite srv = startGrid(0);
    client = true;
    final Ignite c = startGrid(1);
    ClusterGroup grp = srv.cluster().forClients();
    IgniteCompute srvCompute = srv.compute(grp);
    srvCompute.call(new DummyClosure());
    IgniteInternalFuture fut = GridTestUtils.runAsync(new Runnable() {

        @Override
        public void run() {
            IgniteCache cache = c.cache(DEFAULT_CACHE_NAME);
            for (int i = 0; i < 100_000; i++) {
                try {
                    cache.put(1, 1);
                } catch (Exception ignore) {
                    break;
                }
            }
        }
    }, "cache-put");
    U.sleep(100);
    final CountDownLatch stopStartLatch = new CountDownLatch(1);
    IgniteInternalFuture<?> fut2 = GridTestUtils.runAsync(new Runnable() {

        @Override
        public void run() {
            stopStartLatch.countDown();
            c.close();
        }
    });
    boolean err = false;
    try {
        stopStartLatch.await();
        IgniteCacheMessageRecoveryAbstractTest.closeSessions(srv);
        long stopTime = U.currentTimeMillis() + 10_000;
        while (U.currentTimeMillis() < stopTime) {
            try {
                srvCompute.call(new DummyClosure());
            } catch (ClusterTopologyException e) {
                err = true;
                assertFalse(fut2.isDone());
                break;
            }
        }
    } finally {
        stopLatch.countDown();
    }
    fut.get();
    fut2.get();
    assertTrue("Failed to get excpected error", err);
}

Example 29 with IgniteCompute

use of org.apache.ignite.IgniteCompute in project ignite by apache.

the class IgfsMetaManager method clientCompute.

/**
 * Get compute facade for client tasks.
 *
 * @return Compute facade.
 */
private IgniteCompute clientCompute() {
    assert client;
    IgniteCompute cliCompute0 = cliCompute;
    if (cliCompute0 == null) {
        IgniteEx ignite = igfsCtx.kernalContext().grid();
        ClusterGroup cluster = ignite.cluster().forIgfsMetadataDataNodes(cfg.getName(), metaCacheName);
        cliCompute0 = ignite.compute(cluster);
        cliCompute = cliCompute0;
    }
    assert cliCompute0 != null;
    return cliCompute0;
}

Example 30 with IgniteCompute

use of org.apache.ignite.IgniteCompute in project ignite by apache.

the class ComputeAsyncExample method main.

/**
 * Executes example.
 *
 * @param args Command line arguments, none required.
 * @throws IgniteException If example execution failed.
 */
public static void main(String[] args) throws IgniteException {
    try (Ignite ignite = Ignition.start("examples/config/example-ignite.xml")) {
        System.out.println();
        System.out.println("Compute asynchronous example started.");
        // Enable asynchronous mode.
        IgniteCompute compute = ignite.compute().withAsync();
        Collection<IgniteFuture<?>> futs = new ArrayList<>();
        // Iterate through all words in the sentence and create runnable jobs.
        for (final String word : "Print words using runnable".split(" ")) {
            // Execute runnable on some node.
            compute.run(() -> {
                System.out.println();
                System.out.println(">>> Printing '" + word + "' on this node from ignite job.");
            });
            futs.add(compute.future());
        }
        // Wait for completion of all futures.
        futs.forEach(IgniteFuture::get);
        System.out.println();
        System.out.println(">>> Finished printing words using runnable execution.");
        System.out.println(">>> Check all nodes for output (this node is also part of the cluster).");
    }
}