Examples with InvalidMetadataException voldemort.store.InvalidMetadataException used on opensource projects

Example 11 with InvalidMetadataException

use of voldemort.store.InvalidMetadataException in project voldemort by voldemort.

the class RedirectingStoreTest method testProxyGetDuringPut.

@Test
public void testProxyGetDuringPut() {
    final RedirectingStore storeNode2 = getRedirectingStore(2, servers[2].getMetadataStore(), "test");
    final RedirectingStore storeNode0 = getRedirectingStore(0, servers[0].getMetadataStore(), "test");
    // Check primary
    for (final Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
        try {
            // should see obsoleteVersionException for same vectorClock
            storeNode2.put(entry.getKey(), Versioned.value(entry.getValue(), new VectorClock().incremented(0, System.currentTimeMillis())), null);
            fail("Should see obsoleteVersionException here.");
        } catch (ObsoleteVersionException e) {
        // ignore
        }
        try {
            // should see obsoleteVersionException for same vectorClock
            storeNode0.put(entry.getKey(), Versioned.value(entry.getValue(), new VectorClock().incremented(0, System.currentTimeMillis())), null);
            fail("Should see obsoleteVersionException here.");
        } catch (ObsoleteVersionException e) {
        // ignore
        } catch (InvalidMetadataException e) {
        }
    }
}

Example 12 with InvalidMetadataException

use of voldemort.store.InvalidMetadataException 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 13 with InvalidMetadataException

use of voldemort.store.InvalidMetadataException in project voldemort by voldemort.

the class AbstractNonZonedRebalanceTest method testProxyPutDuringRebalancing.

@Test(timeout = 600000)
public void testProxyPutDuringRebalancing() throws Exception {
    logger.info("Starting testProxyPutDuringRebalancing");
    try {
        Cluster currentCluster = ServerTestUtils.getLocalCluster(3, new int[][] { { 0 }, { 1, 3 }, { 2 } });
        Cluster finalCluster = UpdateClusterUtils.createUpdatedCluster(currentCluster, 2, Lists.newArrayList(3));
        // start servers 0,1,2 only
        final List<Integer> serverList = Arrays.asList(0, 1, 2);
        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.
        String bootstrapUrl = getBootstrapUrl(currentCluster, 0);
        int maxParallel = 2;
        final ClusterTestUtils.RebalanceKit rebalanceKit = ClusterTestUtils.getRebalanceKit(bootstrapUrl, maxParallel, finalCluster);
        populateData(updatedCurrentCluster, rwStoreDefWithReplication, rebalanceKit.controller.getAdminClient(), false);
        final AdminClient adminClient = rebalanceKit.controller.getAdminClient();
        // the plan would cause these partitions to move
        // Partition : Donor -> Stealer
        // p2 (SEC) : s1 -> s0
        // p3 (PRI) : s1 -> s2
        final List<ByteArray> movingKeysList = sampleKeysFromPartition(adminClient, 1, rwStoreDefWithReplication.getName(), Arrays.asList(2, 3), 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));
                    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 (!rebalancingComplete.get()) {
                        factory = new SocketStoreClientFactory(new ClientConfig().setBootstrapUrls(getBootstrapUrl(updatedCurrentCluster, 0)).setEnableLazy(false).setSocketTimeout(120, TimeUnit.SECONDS));
                        final StoreClient<String, String> storeClientRW = new DefaultStoreClient<String, String>(testStoreNameRW, null, factory, 3);
                        // zero vector clock
                        for (ByteArray movingKey : movingKeysList) {
                            try {
                                if (rebalancingComplete.get()) {
                                    break;
                                }
                                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 [2:1] vector
                                // clock
                                // is node 2 is the pseudo master in both
                                // moves
                                baselineVersions.get(keyStr).incrementVersion(2, System.currentTimeMillis());
                                proxyWritesDone.set(true);
                            } catch (InvalidMetadataException e) {
                                // let this go
                                logger.error("Encountered an invalid metadata exception.. ", e);
                            }
                        }
                    }
                } catch (Exception e) {
                    logger.error("Exception in proxy put 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), 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 14 with InvalidMetadataException

use of voldemort.store.InvalidMetadataException in project voldemort by voldemort.

the class DynamicTimeoutStoreClient method getWithCustomTimeout.

/**
     * Performs a get operation with the specified composite request object
     * 
     * @param requestWrapper A composite request object containing the key (and
     *        / or default value) and timeout.
     * @return The Versioned value corresponding to the key
     */
public List<Versioned<V>> getWithCustomTimeout(CompositeVoldemortRequest<K, V> requestWrapper) {
    validateTimeout(requestWrapper.getRoutingTimeoutInMs());
    for (int attempts = 0; attempts < this.metadataRefreshAttempts; attempts++) {
        try {
            long startTimeInMs = System.currentTimeMillis();
            String keyHexString = "";
            if (logger.isDebugEnabled()) {
                ByteArray key = (ByteArray) requestWrapper.getKey();
                keyHexString = RestUtils.getKeyHexString(key);
                debugLogStart("GET", requestWrapper.getRequestOriginTimeInMs(), startTimeInMs, keyHexString);
            }
            List<Versioned<V>> items = store.get(requestWrapper);
            if (logger.isDebugEnabled()) {
                int vcEntrySize = 0;
                for (Versioned<V> vc : items) {
                    vcEntrySize += ((VectorClock) vc.getVersion()).getVersionMap().size();
                }
                debugLogEnd("GET", requestWrapper.getRequestOriginTimeInMs(), startTimeInMs, System.currentTimeMillis(), keyHexString, vcEntrySize);
            }
            return items;
        } catch (InvalidMetadataException e) {
            logger.info("Received invalid metadata exception during get [  " + e.getMessage() + " ] on store '" + storeName + "'. Rebootstrapping");
            bootStrap();
        }
    }
    throw new VoldemortException(this.metadataRefreshAttempts + " metadata refresh attempts failed.");
}

Example 15 with InvalidMetadataException

use of voldemort.store.InvalidMetadataException in project voldemort by voldemort.

the class DynamicTimeoutStoreClient method getAllWithCustomTimeout.

/**
     * Performs a get all operation with the specified composite request object
     * 
     * @param requestWrapper Composite request object containing a reference to
     *        the Iterable keys
     * 
     * @return Map of the keys to the corresponding versioned values
     */
public Map<K, List<Versioned<V>>> getAllWithCustomTimeout(CompositeVoldemortRequest<K, V> requestWrapper) {
    validateTimeout(requestWrapper.getRoutingTimeoutInMs());
    Map<K, List<Versioned<V>>> items = null;
    for (int attempts = 0; ; attempts++) {
        if (attempts >= this.metadataRefreshAttempts)
            throw new VoldemortException(this.metadataRefreshAttempts + " metadata refresh attempts failed.");
        try {
            String KeysHexString = "";
            long startTimeInMs = System.currentTimeMillis();
            if (logger.isDebugEnabled()) {
                Iterable<ByteArray> keys = (Iterable<ByteArray>) requestWrapper.getIterableKeys();
                KeysHexString = getKeysHexString(keys);
                debugLogStart("GET_ALL", requestWrapper.getRequestOriginTimeInMs(), startTimeInMs, KeysHexString);
            }
            items = store.getAll(requestWrapper);
            if (logger.isDebugEnabled()) {
                int vcEntrySize = 0;
                for (List<Versioned<V>> item : items.values()) {
                    for (Versioned<V> vc : item) {
                        vcEntrySize += ((VectorClock) vc.getVersion()).getVersionMap().size();
                    }
                }
                debugLogEnd("GET_ALL", requestWrapper.getRequestOriginTimeInMs(), startTimeInMs, System.currentTimeMillis(), KeysHexString, vcEntrySize);
            }
            return items;
        } catch (InvalidMetadataException e) {
            logger.info("Received invalid metadata exception during getAll [  " + e.getMessage() + " ] on store '" + storeName + "'. Rebootstrapping");
            bootStrap();
        }
    }
}