Examples with SocketStoreClientFactory voldemort.client.SocketStoreClientFactory used on opensource projects

Example 26 with SocketStoreClientFactory

use of voldemort.client.SocketStoreClientFactory in project voldemort by voldemort.

the class ExceededQuotaSlopTest method testAsyncWritesSloppedOnQuotaExceeed.

@Test
public void testAsyncWritesSloppedOnQuotaExceeed() throws Exception {
    // Set quotas on each server
    setGetPutQuotasForEachServer();
    /**
         * Look at the comment on this method
         * 
         * @see voldemort.utils.pool.QueuedKeyedResourcePool.processQueueLoop(K)
         *      to see why bumping the number generateKeysForMasterNode will
         *      fail this test.
         */
    // This test is non-deterministic.
    // 1) The QuotaException is thrown by SerialPut, but parallelPut ignores
    // QuotaException and throws InsufficientOperationalNodesException
    // as the QuotaExceptions are silently (warning logs) eaten away.
    // 2) When you increase the key/value pairs beyond 100, slops start
    // randomly failing as there are only 2 nodes and backlog of slops on
    // other node causes the slop to be dropped
    // But when you set this <= 100, no Put receives a QuotaException
    // Correct way is creating a mock SocketStore which can inject
    // failures of QuotaException and test the pipeline actions and handling
    // by node. The Server side needs a mock time where you can freeze the
    // time and see if it fails after the quota. But saving these ones for
    // later.
    HashMap<String, String> keyValuePairsToMasterNode = generateKeysForMasterNode(100);
    String bootStrapUrl = "tcp://" + cluster.getNodeById(0).getHost() + ":" + cluster.getNodeById(0).getSocketPort();
    factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(bootStrapUrl));
    storeClient = factory.getStoreClient(storeName);
    int numPutExceptions = 0;
    ArrayList<String> putKeysThatSucceeded = new ArrayList<String>();
    for (Entry<String, String> entry : keyValuePairsToMasterNode.entrySet()) {
        try {
            // do a put on node 0
            storeClient.put(entry.getKey(), entry.getValue());
            putKeysThatSucceeded.add(entry.getValue());
        } catch (VoldemortException e) {
            logger.warn(e, e);
            numPutExceptions++;
        }
    }
    logger.info("#Puts that failed due to Exception: " + numPutExceptions);
    // wait for the slop pushed to finish its job
    Thread.sleep(2 * SLOP_FREQUENCY_MS);
    // keys exist
    for (String val : putKeysThatSucceeded) {
        int nodeId = 1;
        // do a get on node 1
        List<Versioned<byte[]>> valueBytes = adminClient.storeOps.getNodeKey(storeName, nodeId, new ByteArray(ByteUtils.getBytes(val, encodingType)));
        assertEquals("Expect 1 value from PUT " + val, 1, valueBytes.size());
        assertEquals("GET returned different value than put", val, ByteUtils.getString(valueBytes.get(0).getValue(), encodingType));
    }
    int numDeleteExceptions = 0;
    ArrayList<String> deleteKeysThatSucceeded = new ArrayList<String>();
    for (Entry<String, String> entry : keyValuePairsToMasterNode.entrySet()) {
        try {
            // do a put on node 0
            storeClient.delete(entry.getKey());
            deleteKeysThatSucceeded.add(entry.getValue());
        } catch (VoldemortException e) {
            logger.warn(e, e);
            numDeleteExceptions++;
        }
    }
    logger.info("#Deletes that failed due to Exceptions: " + numDeleteExceptions);
    // wait for the slop pushed to finish its job
    Thread.sleep(2 * SLOP_FREQUENCY_MS);
    for (String val : deleteKeysThatSucceeded) {
        for (int nodeId : cluster.getNodeIds()) {
            // do a get on node 1
            List<Versioned<byte[]>> valueBytes = adminClient.storeOps.getNodeKey(storeName, nodeId, new ByteArray(ByteUtils.getBytes(val, encodingType)));
            assertTrue("Deleted value should be null or zero on node " + nodeId, valueBytes == null || valueBytes.size() == 0);
        }
    }
}

Example 27 with SocketStoreClientFactory

use of voldemort.client.SocketStoreClientFactory in project voldemort by voldemort.

the class QuotaLimitingStoreTest method setup.

@Before
public void setup() throws IOException {
    Properties props = new Properties();
    props.put("enable.quota.limiting", "true");
    server = ServerTestUtils.startStandAloneVoldemortServer(props, "test/common/voldemort/config/single-store.xml");
    adminClient = new AdminClient(server.getMetadataStore().getCluster());
    String bootStrapUrl = "tcp://" + server.getIdentityNode().getHost() + ":" + server.getIdentityNode().getSocketPort();
    factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(bootStrapUrl));
    storeClient = factory.getStoreClient("test");
}

Example 28 with SocketStoreClientFactory

use of voldemort.client.SocketStoreClientFactory in project voldemort by voldemort.

the class EndToEndTest method setUp.

@Before
public void setUp() throws IOException {
    int numServers = 2;
    VoldemortServer[] servers = new VoldemortServer[numServers];
    int[][] partitionMap = { { 0, 2, 4, 6 }, { 1, 3, 5, 7 } };
    Cluster cluster = ServerTestUtils.startVoldemortCluster(numServers, servers, partitionMap, socketStoreFactory, useNio, null, STORES_XML, new Properties());
    Node node = cluster.getNodeById(0);
    String bootstrapUrl = "tcp://" + node.getHost() + ":" + node.getSocketPort();
    StoreClientFactory storeClientFactory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(bootstrapUrl));
    storeClient = storeClientFactory.getStoreClient(STORE_NAME);
}

Example 29 with SocketStoreClientFactory

use of voldemort.client.SocketStoreClientFactory in project voldemort by voldemort.

the class AbstractZonedRebalanceTest method testProxyPutDuringRebalancing.

@Test(timeout = 600000)
public void testProxyPutDuringRebalancing() throws Exception {
    logger.info("Starting testProxyPutDuringRebalancing");
    try {
        Cluster currentCluster = ServerTestUtils.getLocalZonedCluster(6, 2, new int[] { 0, 0, 0, 1, 1, 1 }, new int[][] { { 0 }, { 1, 6 }, { 2 }, { 3 }, { 4, 7 }, { 5 } });
        Cluster finalCluster = UpdateClusterUtils.createUpdatedCluster(currentCluster, 2, Lists.newArrayList(7));
        finalCluster = UpdateClusterUtils.createUpdatedCluster(finalCluster, 5, Lists.newArrayList(6));
        /**
             * Original partition map
             * 
             * [s0 : p0] [s1 : p1, p6] [s2 : p2]
             * 
             * [s3 : p3] [s4 : p4, p7] [s5 : p5]
             * 
             * final server partition ownership
             * 
             * [s0 : p0] [s1 : p1] [s2 : p2, p7]
             * 
             * [s3 : p3] [s4 : p4] [s5 : p5, p6]
             * 
             * Note that rwStoreDefFileWithReplication is a "2/1/1" store def.
             * 
             * Original server n-ary partition ownership
             * 
             * [s0 : p0, p3-7] [s1 : p0-p7] [s2 : p1-2]
             * 
             * [s3 : p0-3, p6-7] [s4 : p0-p7] [s5 : p4-5]
             * 
             * final server n-ary partition ownership
             * 
             * [s0 : p0, p2-7] [s1 : p0-1] [s2 : p1-p7]
             * 
             * [s3 : p0-3, p5-7] [s4 : p0-4, p7] [s5 : p4-6]
             */
        List<Integer> serverList = Arrays.asList(0, 1, 2, 3, 4, 5);
        Map<String, String> configProps = new HashMap<String, String>();
        configProps.put("admin.max.threads", "5");
        final Cluster updatedCurrentCluster = startServers(currentCluster, rwStoreDefFileWithReplication, serverList, configProps);
        ExecutorService executors = Executors.newFixedThreadPool(2);
        final AtomicBoolean rebalancingComplete = new AtomicBoolean(false);
        final List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>());
        // Its is imperative that we test in a single shot since multiple
        // batches would mean the proxy bridges being torn down and
        // established multiple times and we cannot test against the source
        // cluster topology then. getRebalanceKit uses batch size of
        // infinite, so this should be fine.
        String bootstrapUrl = getBootstrapUrl(updatedCurrentCluster, 0);
        int maxParallel = 2;
        final ClusterTestUtils.RebalanceKit rebalanceKit = ClusterTestUtils.getRebalanceKit(bootstrapUrl, maxParallel, finalCluster);
        populateData(currentCluster, rwStoreDefWithReplication);
        final AdminClient adminClient = rebalanceKit.controller.getAdminClient();
        // the plan would cause these partitions to move:
        // Partition : Donor -> stealer
        //
        // p2 (Z-SEC) : s1 -> s0
        // p3-6 (Z-PRI) : s1 -> s2
        // p7 (Z-PRI) : s0 -> s2
        //
        // p5 (Z-SEC): s4 -> s3
        // p6 (Z-PRI): s4 -> s5
        //
        // :. rebalancing will run on servers 0, 2, 3, & 5
        final List<ByteArray> movingKeysList = sampleKeysFromPartition(adminClient, 1, rwStoreDefWithReplication.getName(), Arrays.asList(6), 20);
        assertTrue("Empty list of moving keys...", movingKeysList.size() > 0);
        final AtomicBoolean rebalancingStarted = new AtomicBoolean(false);
        final AtomicBoolean proxyWritesDone = new AtomicBoolean(false);
        final HashMap<String, String> baselineTuples = new HashMap<String, String>(testEntries);
        final HashMap<String, VectorClock> baselineVersions = new HashMap<String, VectorClock>();
        for (String key : baselineTuples.keySet()) {
            baselineVersions.put(key, new VectorClock());
        }
        final CountDownLatch latch = new CountDownLatch(2);
        // start get operation.
        executors.execute(new Runnable() {

            @Override
            public void run() {
                SocketStoreClientFactory factory = null;
                try {
                    // wait for the rebalancing to begin
                    List<VoldemortServer> serverList = Lists.newArrayList(serverMap.get(0), serverMap.get(2), serverMap.get(3), serverMap.get(5));
                    while (!rebalancingComplete.get()) {
                        Iterator<VoldemortServer> serverIterator = serverList.iterator();
                        while (serverIterator.hasNext()) {
                            VoldemortServer server = serverIterator.next();
                            if (ByteUtils.getString(server.getMetadataStore().get(MetadataStore.SERVER_STATE_KEY, null).get(0).getValue(), "UTF-8").compareTo(VoldemortState.REBALANCING_MASTER_SERVER.toString()) == 0) {
                                logger.info("Server " + server.getIdentityNode().getId() + " transitioned into REBALANCING MODE");
                                serverIterator.remove();
                            }
                        }
                        if (serverList.size() == 0) {
                            rebalancingStarted.set(true);
                            break;
                        }
                    }
                    if (rebalancingStarted.get()) {
                        factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(getBootstrapUrl(updatedCurrentCluster, 0)).setEnableLazy(false).setSocketTimeout(120, TimeUnit.SECONDS).setClientZoneId(1));
                        final StoreClient<String, String> storeClientRW = new DefaultStoreClient<String, String>(testStoreNameRW, null, factory, 3);
                        // now with zero vector clock
                        for (ByteArray movingKey : movingKeysList) {
                            try {
                                String keyStr = ByteUtils.getString(movingKey.get(), "UTF-8");
                                String valStr = "proxy_write";
                                storeClientRW.put(keyStr, valStr);
                                baselineTuples.put(keyStr, valStr);
                                // all these keys will have [5:1] vector
                                // clock is node 5 is the new pseudo master
                                baselineVersions.get(keyStr).incrementVersion(5, System.currentTimeMillis());
                                proxyWritesDone.set(true);
                                if (rebalancingComplete.get()) {
                                    break;
                                }
                            } catch (InvalidMetadataException e) {
                                // let this go
                                logger.error("Encountered an invalid metadata exception.. ", e);
                            }
                        }
                    }
                } catch (Exception e) {
                    logger.error("Exception in proxy write thread..", e);
                    exceptions.add(e);
                } finally {
                    if (factory != null)
                        factory.close();
                    latch.countDown();
                }
            }
        });
        executors.execute(new Runnable() {

            @Override
            public void run() {
                try {
                    rebalanceKit.rebalance();
                } catch (Exception e) {
                    logger.error("Error in rebalancing... ", e);
                    exceptions.add(e);
                } finally {
                    rebalancingComplete.set(true);
                    latch.countDown();
                }
            }
        });
        latch.await();
        executors.shutdown();
        executors.awaitTermination(300, TimeUnit.SECONDS);
        assertEquals("Client did not see all server transition into rebalancing state", rebalancingStarted.get(), true);
        assertEquals("Not enough time to begin proxy writing", proxyWritesDone.get(), true);
        checkEntriesPostRebalance(updatedCurrentCluster, finalCluster, Lists.newArrayList(rwStoreDefWithReplication), Arrays.asList(0, 1, 2, 3, 4, 5), baselineTuples, baselineVersions);
        checkConsistentMetadata(finalCluster, serverList);
        // check No Exception
        if (exceptions.size() > 0) {
            for (Exception e : exceptions) {
                e.printStackTrace();
            }
            fail("Should not see any exceptions.");
        }
        // check that the proxy writes were made to the original donor, node
        // 1
        List<ClockEntry> clockEntries = new ArrayList<ClockEntry>(serverList.size());
        for (Integer nodeid : serverList) clockEntries.add(new ClockEntry(nodeid.shortValue(), System.currentTimeMillis()));
        VectorClock clusterXmlClock = new VectorClock(clockEntries, System.currentTimeMillis());
        for (Integer nodeid : serverList) adminClient.metadataMgmtOps.updateRemoteCluster(nodeid, currentCluster, clusterXmlClock);
        adminClient.setAdminClientCluster(currentCluster);
        checkForTupleEquivalence(adminClient, 1, testStoreNameRW, movingKeysList, baselineTuples, baselineVersions);
        // stop servers
        try {
            stopServer(serverList);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } catch (AssertionError ae) {
        logger.error("Assertion broken in testProxyPutDuringRebalancing ", ae);
        throw ae;
    }
}

Example 30 with SocketStoreClientFactory

use of voldemort.client.SocketStoreClientFactory in project voldemort by voldemort.

the class AdminRebalanceTest method testRebalanceNodeRW2.

@Test(timeout = 60000)
public void testRebalanceNodeRW2() throws IOException {
    try {
        startFourNodeRW();
        // Start another node for only this unit test
        HashMap<ByteArray, byte[]> entrySet = ServerTestUtils.createRandomKeyValuePairs(TEST_SIZE);
        SocketStoreClientFactory factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(Lists.newArrayList("tcp://" + currentCluster.getNodeById(0).getHost() + ":" + currentCluster.getNodeById(0).getSocketPort())));
        StoreClient<Object, Object> storeClient1 = factory.getStoreClient("test"), storeClient2 = factory.getStoreClient("test2");
        List<Integer> primaryPartitionsMoved = Lists.newArrayList(0);
        List<Integer> secondaryPartitionsMoved = Lists.newArrayList(8, 9, 10, 11);
        List<Integer> tertiaryPartitionsMoved = Lists.newArrayList(4, 5, 6, 7);
        HashMap<ByteArray, byte[]> primaryEntriesMoved = Maps.newHashMap();
        HashMap<ByteArray, byte[]> secondaryEntriesMoved = Maps.newHashMap();
        HashMap<ByteArray, byte[]> tertiaryEntriesMoved = Maps.newHashMap();
        RoutingStrategy strategy = new RoutingStrategyFactory().updateRoutingStrategy(storeDef2, currentCluster);
        for (Entry<ByteArray, byte[]> entry : entrySet.entrySet()) {
            storeClient1.put(new String(entry.getKey().get()), new String(entry.getValue()));
            storeClient2.put(new String(entry.getKey().get()), new String(entry.getValue()));
            List<Integer> pList = strategy.getPartitionList(entry.getKey().get());
            if (primaryPartitionsMoved.contains(pList.get(0))) {
                primaryEntriesMoved.put(entry.getKey(), entry.getValue());
            } else if (secondaryPartitionsMoved.contains(pList.get(0))) {
                secondaryEntriesMoved.put(entry.getKey(), entry.getValue());
            } else if (tertiaryPartitionsMoved.contains(pList.get(0))) {
                tertiaryEntriesMoved.put(entry.getKey(), entry.getValue());
            }
        }
        // Set into rebalancing state
        for (RebalanceTaskInfo partitionPlan : plans) {
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.SERVER_STATE_KEY, MetadataStore.VoldemortState.REBALANCING_MASTER_SERVER);
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_STEAL_INFO, new RebalancerState(Lists.newArrayList(RebalanceTaskInfo.create(partitionPlan.toJsonString()))));
            getServer(partitionPlan.getStealerId()).getMetadataStore().put(MetadataStore.REBALANCING_SOURCE_CLUSTER_XML, partitionPlan.getInitialCluster());
        }
        // Update the cluster metadata on all three nodes
        for (VoldemortServer server : servers) {
            server.getMetadataStore().put(MetadataStore.CLUSTER_KEY, finalCluster);
        }
        // Actually run it
        try {
            for (RebalanceTaskInfo currentPlan : plans) {
                int asyncId = adminClient.rebalanceOps.rebalanceNode(currentPlan);
                assertNotSame("Got a valid rebalanceAsyncId", -1, asyncId);
                getAdminClient().rpcOps.waitForCompletion(currentPlan.getStealerId(), asyncId, 300, TimeUnit.SECONDS);
                // Test that plan has been removed from the list
                assertFalse(getServer(currentPlan.getStealerId()).getMetadataStore().getRebalancerState().getAll().contains(currentPlan));
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail("Should not throw any exceptions");
        }
        Store<ByteArray, byte[], byte[]> storeTest0 = getStore(0, "test2");
        Store<ByteArray, byte[], byte[]> storeTest1 = getStore(1, "test2");
        Store<ByteArray, byte[], byte[]> storeTest3 = getStore(3, "test2");
        Store<ByteArray, byte[], byte[]> storeTest00 = getStore(0, "test");
        Store<ByteArray, byte[], byte[]> storeTest30 = getStore(3, "test");
        // Primary
        for (Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest0.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest0.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 1
            assertSame("entry should be present at store", 1, storeTest1.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest1.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
            // Test
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest00.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest00.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest30.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest30.get(entry.getKey(), null).get(0).getValue()));
        }
        // Secondary
        for (Entry<ByteArray, byte[]> entry : secondaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 0
            assertSame("entry should be present at store", 1, storeTest0.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest0.get(entry.getKey(), null).get(0).getValue()));
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
            // Test
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest30.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest30.get(entry.getKey(), null).get(0).getValue()));
        }
        // Tertiary
        for (Entry<ByteArray, byte[]> entry : tertiaryEntriesMoved.entrySet()) {
            // Test 2
            // Present on Node 3
            assertSame("entry should be present at store", 1, storeTest3.get(entry.getKey(), null).size());
            assertEquals("entry value should match", new String(entry.getValue()), new String(storeTest3.get(entry.getKey(), null).get(0).getValue()));
        }
        // All servers should be back to normal state
        for (VoldemortServer server : servers) {
            assertEquals(server.getMetadataStore().getRebalancerState(), new RebalancerState(new ArrayList<RebalanceTaskInfo>()));
            assertEquals(server.getMetadataStore().getServerStateUnlocked(), MetadataStore.VoldemortState.NORMAL_SERVER);
        }
    } finally {
        shutDown();
    }
}