| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * you may obtain a copy of the License from |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package edu.uci.ics.hyracks.examples.btree.client; |
| |
| import java.util.UUID; |
| |
| import org.kohsuke.args4j.CmdLineParser; |
| import org.kohsuke.args4j.Option; |
| |
| import edu.uci.ics.hyracks.api.client.HyracksRMIConnection; |
| import edu.uci.ics.hyracks.api.client.IHyracksClientConnection; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITypeTrait; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.value.TypeTrait; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.dataflow.common.data.comparators.IntegerBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.comparators.UTF8StringBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor; |
| import edu.uci.ics.hyracks.examples.btree.helper.BTreeRegistryProvider; |
| import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface; |
| import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeBulkLoadOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDiskOrderScanOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.btree.dataflow.IBTreeRegistryProvider; |
| import edu.uci.ics.hyracks.storage.am.btree.frames.NSMInteriorFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.frames.NSMLeafFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.btree.tuples.TypeAwareTupleWriterFactory; |
| import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface; |
| |
| // This example will load a secondary index with <key, primary-index key> pairs |
| // We require an existing primary index built with PrimaryIndexBulkLoadExample |
| |
| public class SecondaryIndexBulkLoadExample { |
| private static class Options { |
| @Option(name = "-host", usage = "Hyracks Cluster Controller Host name", required = true) |
| public String host; |
| |
| @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1099)") |
| public int port = 1099; |
| |
| @Option(name = "-app", usage = "Hyracks Application name", required = true) |
| public String app; |
| |
| @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true) |
| public String ncs; |
| |
| @Option(name = "-primary-btreename", usage = "Name of primary-index B-Tree to load from", required = true) |
| public String primaryBTreeName; |
| |
| @Option(name = "-secondary-btreename", usage = "B-Tree file name for secondary index to be built", required = true) |
| public String secondaryBTreeName; |
| |
| @Option(name = "-sortbuffer-size", usage = "Sort buffer size in frames (default: 32768)", required = false) |
| public int sbSize = 32768; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| Options options = new Options(); |
| CmdLineParser parser = new CmdLineParser(options); |
| parser.parseArgument(args); |
| |
| IHyracksClientConnection hcc = new HyracksRMIConnection(options.host, options.port); |
| |
| JobSpecification job = createJob(options); |
| |
| long start = System.currentTimeMillis(); |
| UUID jobId = hcc.createJob(options.app, job); |
| hcc.start(jobId); |
| hcc.waitForCompletion(jobId); |
| long end = System.currentTimeMillis(); |
| System.err.println(start + " " + end + " " + (end - start)); |
| } |
| |
| private static JobSpecification createJob(Options options) { |
| |
| JobSpecification spec = new JobSpecification(); |
| |
| String[] splitNCs = options.ncs.split(","); |
| |
| IBTreeRegistryProvider btreeRegistryProvider = BTreeRegistryProvider.INSTANCE; |
| IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE; |
| |
| // schema of tuples that we are retrieving from the primary index |
| RecordDescriptor recDesc = new RecordDescriptor(new ISerializerDeserializer[] { |
| IntegerSerializerDeserializer.INSTANCE, // we will use this as |
| // payload in secondary |
| // index |
| UTF8StringSerializerDeserializer.INSTANCE, // we will use this |
| // ask key in |
| // secondary index |
| IntegerSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| int primaryFieldCount = 4; |
| ITypeTrait[] primaryTypeTraits = new ITypeTrait[primaryFieldCount]; |
| primaryTypeTraits[0] = new TypeTrait(4); |
| primaryTypeTraits[1] = new TypeTrait(ITypeTrait.VARIABLE_LENGTH); |
| primaryTypeTraits[2] = new TypeTrait(4); |
| primaryTypeTraits[3] = new TypeTrait(ITypeTrait.VARIABLE_LENGTH); |
| |
| // create factories and providers for primary B-Tree |
| TypeAwareTupleWriterFactory primaryTupleWriterFactory = new TypeAwareTupleWriterFactory(primaryTypeTraits); |
| IBTreeInteriorFrameFactory primaryInteriorFrameFactory = new NSMInteriorFrameFactory(primaryTupleWriterFactory); |
| IBTreeLeafFrameFactory primaryLeafFrameFactory = new NSMLeafFrameFactory(primaryTupleWriterFactory); |
| |
| // use a disk-order scan to read primary index |
| IFileSplitProvider primarySplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.primaryBTreeName); |
| BTreeDiskOrderScanOperatorDescriptor btreeScanOp = new BTreeDiskOrderScanOperatorDescriptor(spec, recDesc, |
| storageManager, btreeRegistryProvider, primarySplitProvider, primaryInteriorFrameFactory, |
| primaryLeafFrameFactory, primaryTypeTraits); |
| JobHelper.createPartitionConstraint(spec, btreeScanOp, splitNCs); |
| |
| // sort the tuples as preparation for bulk load into secondary index |
| // fields to sort on |
| int[] sortFields = { 1, 0 }; |
| // comparators for sort fields |
| IBinaryComparatorFactory[] comparatorFactories = new IBinaryComparatorFactory[2]; |
| comparatorFactories[0] = UTF8StringBinaryComparatorFactory.INSTANCE; |
| comparatorFactories[1] = IntegerBinaryComparatorFactory.INSTANCE; |
| ExternalSortOperatorDescriptor sorter = new ExternalSortOperatorDescriptor(spec, options.sbSize, sortFields, |
| comparatorFactories, recDesc); |
| JobHelper.createPartitionConstraint(spec, sorter, splitNCs); |
| |
| // tuples to be put into B-Tree shall have 2 fields |
| int secondaryFieldCount = 2; |
| ITypeTrait[] secondaryTypeTraits = new ITypeTrait[secondaryFieldCount]; |
| secondaryTypeTraits[0] = new TypeTrait(ITypeTrait.VARIABLE_LENGTH); |
| secondaryTypeTraits[1] = new TypeTrait(4); |
| |
| // create factories and providers for secondary B-Tree |
| TypeAwareTupleWriterFactory secondaryTupleWriterFactory = new TypeAwareTupleWriterFactory(secondaryTypeTraits); |
| IBTreeInteriorFrameFactory secondaryInteriorFrameFactory = new NSMInteriorFrameFactory( |
| secondaryTupleWriterFactory); |
| IBTreeLeafFrameFactory secondaryLeafFrameFactory = new NSMLeafFrameFactory(secondaryTupleWriterFactory); |
| |
| // the B-Tree expects its keyfields to be at the front of its input |
| // tuple |
| int[] fieldPermutation = { 1, 0 }; |
| IFileSplitProvider btreeSplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.secondaryBTreeName); |
| BTreeBulkLoadOperatorDescriptor btreeBulkLoad = new BTreeBulkLoadOperatorDescriptor(spec, storageManager, |
| btreeRegistryProvider, btreeSplitProvider, secondaryInteriorFrameFactory, secondaryLeafFrameFactory, |
| secondaryTypeTraits, comparatorFactories, fieldPermutation, 0.7f); |
| JobHelper.createPartitionConstraint(spec, btreeBulkLoad, splitNCs); |
| |
| // connect the ops |
| |
| spec.connect(new OneToOneConnectorDescriptor(spec), btreeScanOp, 0, sorter, 0); |
| |
| spec.connect(new OneToOneConnectorDescriptor(spec), sorter, 0, btreeBulkLoad, 0); |
| |
| spec.addRoot(btreeBulkLoad); |
| |
| return spec; |
| } |
| } |