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

Example 56 with StoreDefinitionBuilder

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

the class HadoopStoreBuilderTest method testHadoopBuild.

@Test
public void testHadoopBuild() throws Exception {
    // create test data
    Map<String, String> values = new HashMap<String, String>();
    File testDir = TestUtils.createTempDir();
    File tempDir = new File(testDir, "temp"), tempDir2 = new File(testDir, "temp2");
    File outputDir = new File(testDir, "output"), outputDir2 = new File(testDir, "output2");
    File storeDir = TestUtils.createTempDir(testDir);
    for (int i = 0; i < 200; i++) values.put(Integer.toString(i), Integer.toBinaryString(i));
    // write test data to text file
    File inputFile = File.createTempFile("input", ".txt", testDir);
    inputFile.deleteOnExit();
    StringBuilder contents = new StringBuilder();
    for (Map.Entry<String, String> entry : values.entrySet()) contents.append(entry.getKey() + "\t" + entry.getValue() + "\n");
    FileUtils.writeStringToFile(inputFile, contents.toString());
    String storeName = "test";
    SerializerDefinition serDef = new SerializerDefinition("string");
    Cluster cluster = ServerTestUtils.getLocalCluster(1);
    // Test backwards compatibility
    StoreDefinition def = new StoreDefinitionBuilder().setName(storeName).setType(ReadOnlyStorageConfiguration.TYPE_NAME).setKeySerializer(serDef).setValueSerializer(serDef).setRoutingPolicy(RoutingTier.CLIENT).setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY).setReplicationFactor(1).setPreferredReads(1).setRequiredReads(1).setPreferredWrites(1).setRequiredWrites(1).build();
    HadoopStoreBuilder builder = new HadoopStoreBuilder("testHadoopBuild", new Props(), new JobConf(), TextStoreMapper.class, TextInputFormat.class, cluster, def, new Path(tempDir2.getAbsolutePath()), new Path(outputDir2.getAbsolutePath()), new Path(inputFile.getAbsolutePath()), CheckSumType.MD5, saveKeys, false, 64 * 1024, false, null, false);
    builder.build();
    builder = new HadoopStoreBuilder("testHadoopBuild", new Props(), new JobConf(), TextStoreMapper.class, TextInputFormat.class, cluster, def, new Path(tempDir.getAbsolutePath()), new Path(outputDir.getAbsolutePath()), new Path(inputFile.getAbsolutePath()), CheckSumType.MD5, saveKeys, false, 64 * 1024, false, null, false);
    builder.build();
    // Check if checkSum is generated in outputDir
    File nodeFile = new File(outputDir, "node-0");
    // Check if metadata file exists
    File metadataFile = new File(nodeFile, ".metadata");
    Assert.assertTrue("Metadata file should exist!", metadataFile.exists());
    ReadOnlyStorageMetadata metadata = new ReadOnlyStorageMetadata(metadataFile);
    if (saveKeys)
        Assert.assertEquals("In saveKeys mode, the metadata format should be READONLY_V2!", metadata.get(ReadOnlyStorageMetadata.FORMAT), ReadOnlyStorageFormat.READONLY_V2.getCode());
    else
        Assert.assertEquals("In legacy mode (saveKeys==false), the metadata format should be READONLY_V1!", metadata.get(ReadOnlyStorageMetadata.FORMAT), ReadOnlyStorageFormat.READONLY_V1.getCode());
    Assert.assertEquals("Checksum type should be MD5!", metadata.get(ReadOnlyStorageMetadata.CHECKSUM_TYPE), CheckSum.toString(CheckSumType.MD5));
    // Check contents of checkSum file
    byte[] md5 = Hex.decodeHex(((String) metadata.get(ReadOnlyStorageMetadata.CHECKSUM)).toCharArray());
    byte[] checkSumBytes = CheckSumTests.calculateCheckSum(nodeFile.listFiles(), CheckSumType.MD5);
    Assert.assertEquals("Checksum is not as excepted!", 0, ByteUtils.compare(checkSumBytes, md5));
    // check if fetching works
    HdfsFetcher fetcher = new HdfsFetcher();
    // Fetch to version directory
    File versionDir = new File(storeDir, "version-0");
    fetcher.fetch(nodeFile.getAbsolutePath(), versionDir.getAbsolutePath());
    Assert.assertTrue("Version directory should exist!", versionDir.exists());
    // open store
    @SuppressWarnings("unchecked") Serializer<Object> serializer = (Serializer<Object>) new DefaultSerializerFactory().getSerializer(serDef);
    ReadOnlyStorageEngine engine = new ReadOnlyStorageEngine(storeName, searchStrategy, new RoutingStrategyFactory().updateRoutingStrategy(def, cluster), 0, storeDir, 1);
    Store<Object, Object, Object> store = SerializingStore.wrap(engine, serializer, serializer, serializer);
    // check values
    for (Map.Entry<String, String> entry : values.entrySet()) {
        String key = entry.getKey();
        try {
            List<Versioned<Object>> found = store.get(key, null);
            Assert.assertEquals("Incorrect number of results", 1, found.size());
            Assert.assertEquals(entry.getValue(), found.get(0).getValue());
        } catch (VoldemortException e) {
            throw new VoldemortException("Got an exception while trying to get key '" + key + "'.", e);
        }
    }
    // also check the iterator - first key iterator...
    try {
        ClosableIterator<ByteArray> keyIterator = engine.keys();
        if (!saveKeys) {
            fail("Should have thrown an exception since this RO format does not support iterators");
        }
        int numElements = 0;
        while (keyIterator.hasNext()) {
            Assert.assertTrue(values.containsKey(serializer.toObject(keyIterator.next().get())));
            numElements++;
        }
        Assert.assertEquals(numElements, values.size());
    } catch (UnsupportedOperationException e) {
        if (saveKeys) {
            fail("Should not have thrown an exception since this RO format does support iterators");
        }
    }
    // ... and entry iterator
    try {
        ClosableIterator<Pair<ByteArray, Versioned<byte[]>>> entryIterator = engine.entries();
        if (!saveKeys) {
            fail("Should have thrown an exception since this RO format does not support iterators");
        }
        int numElements = 0;
        while (entryIterator.hasNext()) {
            Pair<ByteArray, Versioned<byte[]>> entry = entryIterator.next();
            Assert.assertEquals(values.get(serializer.toObject(entry.getFirst().get())), serializer.toObject(entry.getSecond().getValue()));
            numElements++;
        }
        Assert.assertEquals(numElements, values.size());
    } catch (UnsupportedOperationException e) {
        if (saveKeys) {
            fail("Should not have thrown an exception since this RO format does support iterators");
        }
    }
}

Example 57 with StoreDefinitionBuilder

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

the class AdminServiceRequestHandler method handleReserveMemory.

public VAdminProto.ReserveMemoryResponse handleReserveMemory(VAdminProto.ReserveMemoryRequest request) {
    VAdminProto.ReserveMemoryResponse.Builder response = VAdminProto.ReserveMemoryResponse.newBuilder();
    try {
        String storeName = request.getStoreName();
        long reserveMB = request.getSizeInMb();
        synchronized (lock) {
            if (storeRepository.hasLocalStore(storeName)) {
                logger.info("Setting memory foot print of store '" + storeName + "' to " + reserveMB + " MB");
                // update store's metadata (this also has the effect of
                // updating the stores.xml file)
                List<StoreDefinition> storeDefList = metadataStore.getStoreDefList();
                for (int i = 0; i < storeDefList.size(); i++) {
                    StoreDefinition storeDef = storeDefList.get(i);
                    if (!storeDef.isView() && storeDef.getName().equals(storeName)) {
                        StoreDefinition newStoreDef = new StoreDefinitionBuilder().setName(storeDef.getName()).setType(storeDef.getType()).setDescription(storeDef.getDescription()).setOwners(storeDef.getOwners()).setKeySerializer(storeDef.getKeySerializer()).setValueSerializer(storeDef.getValueSerializer()).setRoutingPolicy(storeDef.getRoutingPolicy()).setRoutingStrategyType(storeDef.getRoutingStrategyType()).setReplicationFactor(storeDef.getReplicationFactor()).setPreferredReads(storeDef.getPreferredReads()).setRequiredReads(storeDef.getRequiredReads()).setPreferredWrites(storeDef.getPreferredWrites()).setRequiredWrites(storeDef.getRequiredWrites()).setRetentionPeriodDays(storeDef.getRetentionDays()).setRetentionScanThrottleRate(storeDef.getRetentionScanThrottleRate()).setZoneReplicationFactor(storeDef.getZoneReplicationFactor()).setZoneCountReads(storeDef.getZoneCountReads()).setZoneCountWrites(storeDef.getZoneCountWrites()).setHintedHandoffStrategy(storeDef.getHintedHandoffStrategyType()).setHintPrefListSize(storeDef.getHintPrefListSize()).setMemoryFootprintMB(reserveMB).build();
                        storeDefList.set(i, newStoreDef);
                        storageService.updateStore(newStoreDef);
                        break;
                    }
                }
                // save the changes
                try {
                    metadataStore.put(MetadataStore.STORES_KEY, storeDefList);
                } catch (Exception e) {
                    throw new VoldemortException(e);
                }
            } else {
                logger.error("Failure to reserve memory. Store '" + storeName + "' does not exist");
                throw new StoreOperationFailureException(String.format("Store '%s' does not exist on this server", storeName));
            }
        }
    } catch (VoldemortException e) {
        response.setError(ProtoUtils.encodeError(errorCodeMapper, e));
        logger.error("handleReserveMemory failed for request(" + request.toString() + ")", e);
    }
    return response.build();
}