Examples with IMetadataPageManager org.apache.hyracks.storage.am.common.api.IMetadataPageManager used on opensource projects

Example 6 with IMetadataPageManager

use of org.apache.hyracks.storage.am.common.api.IMetadataPageManager in project asterixdb by apache.

the class BTreeSearchCursorTest method uniqueIndexTest.

@Test
public void uniqueIndexTest() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("TESTING RANGE SEARCH CURSOR ON UNIQUE INDEX");
    }
    IBufferCache bufferCache = harness.getBufferCache();
    // declare keys
    int keyFieldCount = 1;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) leafFrameFactory.createFrame();
    IBTreeInteriorFrame interiorFrame = (IBTreeInteriorFrame) interiorFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    BTree btree = new BTree(bufferCache, harness.getFileMapProvider(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference());
    btree.create();
    btree.activate();
    ArrayTupleBuilder tupleBuilder = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    ITreeIndexAccessor indexAccessor = btree.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    // generate keys
    int numKeys = 50;
    int maxKey = 1000;
    TreeSet<Integer> uniqueKeys = new TreeSet<>();
    ArrayList<Integer> keys = new ArrayList<>();
    while (uniqueKeys.size() < numKeys) {
        int key = rnd.nextInt() % maxKey;
        uniqueKeys.add(key);
    }
    for (Integer i : uniqueKeys) {
        keys.add(i);
    }
    // insert keys into btree
    for (int i = 0; i < keys.size(); i++) {
        TupleUtils.createIntegerTuple(tupleBuilder, tuple, keys.get(i), i);
        tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
        try {
            indexAccessor.insert(tuple);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    int minSearchKey = -100;
    int maxSearchKey = 100;
    // forward searches
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, false, true, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, false, false));
    Assert.assertTrue(performSearches(keys, btree, leafFrame, interiorFrame, minSearchKey, maxSearchKey, true, true, false));
    btree.deactivate();
    btree.destroy();
}

Example 7 with IMetadataPageManager

use of org.apache.hyracks.storage.am.common.api.IMetadataPageManager in project asterixdb by apache.

the class RTreeSearchCursorTest method rangeSearchTest.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void rangeSearchTest() throws Exception {
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("TESTING RANGE SEARCH CURSOR FOR RTREE");
    }
    IBufferCache bufferCache = harness.getBufferCache();
    // Declare fields.
    int fieldCount = 5;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    typeTraits[2] = IntegerPointable.TYPE_TRAITS;
    typeTraits[3] = IntegerPointable.TYPE_TRAITS;
    typeTraits[4] = IntegerPointable.TYPE_TRAITS;
    // Declare field serdes.
    ISerializerDeserializer[] fieldSerdes = { IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE };
    // Declare keys.
    int keyFieldCount = 4;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    cmpFactories[1] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    cmpFactories[2] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    cmpFactories[3] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    // create value providers
    IPrimitiveValueProviderFactory[] valueProviderFactories = RTreeUtils.createPrimitiveValueProviderFactories(cmpFactories.length, IntegerPointable.FACTORY);
    RTreeTypeAwareTupleWriterFactory tupleWriterFactory = new RTreeTypeAwareTupleWriterFactory(typeTraits);
    ITreeIndexMetadataFrameFactory metaFrameFactory = new LIFOMetaDataFrameFactory();
    ITreeIndexFrameFactory interiorFrameFactory = new RTreeNSMInteriorFrameFactory(tupleWriterFactory, valueProviderFactories, RTreePolicyType.RTREE, false);
    ITreeIndexFrameFactory leafFrameFactory = new RTreeNSMLeafFrameFactory(tupleWriterFactory, valueProviderFactories, RTreePolicyType.RTREE, false);
    IRTreeInteriorFrame interiorFrame = (IRTreeInteriorFrame) interiorFrameFactory.createFrame();
    IRTreeLeafFrame leafFrame = (IRTreeLeafFrame) leafFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    RTree rtree = new RTree(bufferCache, harness.getFileMapProvider(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference(), false);
    rtree.create();
    rtree.activate();
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference tuple = new ArrayTupleReference();
    ITreeIndexAccessor indexAccessor = rtree.createAccessor(NoOpOperationCallback.INSTANCE, NoOpOperationCallback.INSTANCE);
    int numInserts = 10000;
    ArrayList<RTreeCheckTuple> checkTuples = new ArrayList<>();
    for (int i = 0; i < numInserts; i++) {
        int p1x = rnd.nextInt();
        int p1y = rnd.nextInt();
        int p2x = rnd.nextInt();
        int p2y = rnd.nextInt();
        int pk = rnd.nextInt();
        ;
        TupleUtils.createIntegerTuple(tb, tuple, Math.min(p1x, p2x), Math.min(p1y, p2y), Math.max(p1x, p2x), Math.max(p1y, p2y), pk);
        try {
            indexAccessor.insert(tuple);
        } catch (HyracksDataException e) {
            if (e.getErrorCode() != ErrorCode.DUPLICATE_KEY) {
                throw e;
            }
        }
        RTreeCheckTuple checkTuple = new RTreeCheckTuple(fieldCount, keyFieldCount);
        checkTuple.appendField(Math.min(p1x, p2x));
        checkTuple.appendField(Math.min(p1y, p2y));
        checkTuple.appendField(Math.max(p1x, p2x));
        checkTuple.appendField(Math.max(p1y, p2y));
        checkTuple.appendField(pk);
        checkTuples.add(checkTuple);
    }
    // Build key.
    ArrayTupleBuilder keyTb = new ArrayTupleBuilder(keyFieldCount);
    ArrayTupleReference key = new ArrayTupleReference();
    TupleUtils.createIntegerTuple(keyTb, key, -1000, -1000, 1000, 1000);
    MultiComparator cmp = MultiComparator.create(cmpFactories);
    ITreeIndexCursor searchCursor = new RTreeSearchCursor(interiorFrame, leafFrame);
    SearchPredicate searchPredicate = new SearchPredicate(key, cmp);
    RTreeCheckTuple keyCheck = (RTreeCheckTuple) rTreeTestUtils.createCheckTupleFromTuple(key, fieldSerdes, keyFieldCount);
    HashMultiSet<RTreeCheckTuple> expectedResult = rTreeTestUtils.getRangeSearchExpectedResults(checkTuples, keyCheck);
    rTreeTestUtils.getRangeSearchExpectedResults(checkTuples, keyCheck);
    indexAccessor.search(searchCursor, searchPredicate);
    rTreeTestUtils.checkExpectedResults(searchCursor, expectedResult, fieldSerdes, keyFieldCount, null);
    rtree.deactivate();
    rtree.destroy();
}

Example 8 with IMetadataPageManager

use of org.apache.hyracks.storage.am.common.api.IMetadataPageManager in project asterixdb by apache.

the class BTreeStatsTest method test01.

@Test
public void test01() throws Exception {
    TestStorageManagerComponentHolder.init(PAGE_SIZE, NUM_PAGES, MAX_OPEN_FILES);
    IBufferCache bufferCache = harness.getBufferCache();
    IFileMapProvider fmp = harness.getFileMapProvider();
    // declare fields
    int fieldCount = 2;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    // declare keys
    int keyFieldCount = 1;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    TypeAwareTupleWriterFactory tupleWriterFactory = new TypeAwareTupleWriterFactory(typeTraits);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    ITreeIndexMetadataFrameFactory metaFrameFactory = new LIFOMetaDataFrameFactory();
    IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) leafFrameFactory.createFrame();
    IBTreeInteriorFrame interiorFrame = (IBTreeInteriorFrame) interiorFrameFactory.createFrame();
    ITreeIndexMetadataFrame metaFrame = metaFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    BTree btree = new BTree(bufferCache, fmp, freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference());
    btree.create();
    btree.activate();
    Random rnd = new Random();
    rnd.setSeed(50);
    long start = System.currentTimeMillis();
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("INSERTING INTO TREE");
    }
    IFrame frame = new VSizeFrame(ctx);
    FrameTupleAppender appender = new FrameTupleAppender();
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    DataOutput dos = tb.getDataOutput();
    ISerializerDeserializer[] recDescSers = { IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE };
    RecordDescriptor recDesc = new RecordDescriptor(recDescSers);
    IFrameTupleAccessor accessor = new FrameTupleAccessor(recDesc);
    accessor.reset(frame.getBuffer());
    FrameTupleReference tuple = new FrameTupleReference();
    ITreeIndexAccessor indexAccessor = btree.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    // 10000
    for (int i = 0; i < 100000; i++) {
        int f0 = rnd.nextInt() % 100000;
        int f1 = 5;
        tb.reset();
        IntegerSerializerDeserializer.INSTANCE.serialize(f0, dos);
        tb.addFieldEndOffset();
        IntegerSerializerDeserializer.INSTANCE.serialize(f1, dos);
        tb.addFieldEndOffset();
        appender.reset(frame, true);
        appender.append(tb.getFieldEndOffsets(), tb.getByteArray(), 0, tb.getSize());
        tuple.reset(accessor, 0);
        if (LOGGER.isLoggable(Level.INFO)) {
            if (i % 10000 == 0) {
                long end = System.currentTimeMillis();
                LOGGER.info("INSERTING " + i + " : " + f0 + " " + f1 + " " + (end - start));
            }
        }
        try {
            indexAccessor.insert(tuple);
        } catch (HyracksDataException e) {
            if (e.getErrorCode() != ErrorCode.DUPLICATE_KEY) {
                e.printStackTrace();
                throw e;
            }
        }
    }
    int fileId = fmp.lookupFileId(harness.getFileReference());
    TreeIndexStatsGatherer statsGatherer = new TreeIndexStatsGatherer(bufferCache, freePageManager, fileId, btree.getRootPageId());
    TreeIndexStats stats = statsGatherer.gatherStats(leafFrame, interiorFrame, metaFrame);
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("\n" + stats.toString());
    }
    TreeIndexBufferCacheWarmup bufferCacheWarmup = new TreeIndexBufferCacheWarmup(bufferCache, freePageManager, fileId);
    bufferCacheWarmup.warmup(leafFrame, metaFrame, new int[] { 1, 2 }, new int[] { 2, 5 });
    btree.deactivate();
    btree.destroy();
    bufferCache.close();
}

Example 9 with IMetadataPageManager

use of org.apache.hyracks.storage.am.common.api.IMetadataPageManager in project asterixdb by apache.

the class BTreeUpdateSearchTest method test01.

// Update scan test on fixed-length tuples.
@Test
public void test01() throws Exception {
    IBufferCache bufferCache = harness.getBufferCache();
    // declare fields
    int fieldCount = 2;
    ITypeTraits[] typeTraits = new ITypeTraits[fieldCount];
    typeTraits[0] = IntegerPointable.TYPE_TRAITS;
    typeTraits[1] = IntegerPointable.TYPE_TRAITS;
    // declare keys
    int keyFieldCount = 1;
    IBinaryComparatorFactory[] cmpFactories = new IBinaryComparatorFactory[keyFieldCount];
    cmpFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
    @SuppressWarnings("rawtypes") ISerializerDeserializer[] recDescSers = { IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE };
    TypeAwareTupleWriterFactory tupleWriterFactory = new TypeAwareTupleWriterFactory(typeTraits);
    ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
    ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
    ITreeIndexMetadataFrameFactory metaFrameFactory = new LIFOMetaDataFrameFactory();
    IBTreeLeafFrame leafFrame = (IBTreeLeafFrame) leafFrameFactory.createFrame();
    IMetadataPageManager freePageManager = new LinkedMetaDataPageManager(bufferCache, metaFrameFactory);
    BTree btree = new BTree(bufferCache, harness.getFileMapProvider(), freePageManager, interiorFrameFactory, leafFrameFactory, cmpFactories, fieldCount, harness.getFileReference());
    btree.create();
    btree.activate();
    Random rnd = new Random();
    rnd.setSeed(50);
    long start = System.currentTimeMillis();
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("INSERTING INTO TREE");
    }
    ArrayTupleBuilder tb = new ArrayTupleBuilder(fieldCount);
    ArrayTupleReference insertTuple = new ArrayTupleReference();
    ITreeIndexAccessor indexAccessor = btree.createAccessor(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE);
    int numInserts = 10000;
    for (int i = 0; i < numInserts; i++) {
        int f0 = rnd.nextInt() % 10000;
        int f1 = 5;
        TupleUtils.createIntegerTuple(tb, insertTuple, f0, f1);
        if (LOGGER.isLoggable(Level.INFO)) {
            if (i % 10000 == 0) {
                long end = System.currentTimeMillis();
                LOGGER.info("INSERTING " + i + " : " + f0 + " " + f1 + " " + (end - start));
            }
        }
        try {
            indexAccessor.insert(insertTuple);
        } catch (HyracksDataException hde) {
            if (hde.getErrorCode() != ErrorCode.DUPLICATE_KEY) {
                hde.printStackTrace();
                throw hde;
            }
        }
    }
    long end = System.currentTimeMillis();
    long duration = end - start;
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("DURATION: " + duration);
    }
    // Update scan.
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("UPDATE SCAN:");
    }
    // Set the cursor to X latch nodes.
    ITreeIndexCursor updateScanCursor = new BTreeRangeSearchCursor(leafFrame, true);
    RangePredicate nullPred = new RangePredicate(null, null, true, true, null, null);
    indexAccessor.search(updateScanCursor, nullPred);
    try {
        while (updateScanCursor.hasNext()) {
            updateScanCursor.next();
            ITupleReference tuple = updateScanCursor.getTuple();
            // Change the value field.
            IntegerPointable.setInteger(tuple.getFieldData(1), tuple.getFieldStart(1), 10);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        updateScanCursor.close();
    }
    // Ordered scan to verify the values.
    if (LOGGER.isLoggable(Level.INFO)) {
        LOGGER.info("ORDERED SCAN:");
    }
    // Set the cursor to X latch nodes.
    ITreeIndexCursor scanCursor = new BTreeRangeSearchCursor(leafFrame, true);
    indexAccessor.search(scanCursor, nullPred);
    try {
        while (scanCursor.hasNext()) {
            scanCursor.next();
            ITupleReference tuple = scanCursor.getTuple();
            String rec = TupleUtils.printTuple(tuple, recDescSers);
            if (LOGGER.isLoggable(Level.INFO)) {
                LOGGER.info(rec);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        scanCursor.close();
    }
    btree.deactivate();
    btree.destroy();
}

Example 10 with IMetadataPageManager

use of org.apache.hyracks.storage.am.common.api.IMetadataPageManager in project asterixdb by apache.

the class BTreeModificationOperationCallbackTest method createIndexInstance.

@Override
protected void createIndexInstance() throws Exception {
    IMetadataPageManagerFactory freePageManagerFactory = new LinkedMetadataPageManagerFactory();
    IMetadataPageManager freePageManager = freePageManagerFactory.createPageManager(harness.getBufferCache());
    index = BTreeUtils.createBTree(harness.getBufferCache(), harness.getFileMapProvider(), SerdeUtils.serdesToTypeTraits(keySerdes), SerdeUtils.serdesToComparatorFactories(keySerdes, keySerdes.length), BTreeLeafFrameType.REGULAR_NSM, harness.getFileReference(), freePageManager);
}