| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 at |
| * |
| * 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 org.apache.iotdb.db.storageengine.buffer; |
| |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.db.exception.StorageEngineException; |
| import org.apache.iotdb.db.storageengine.dataregion.read.control.FileReaderManager; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResourceStatus; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.db.utils.constant.TestConstant; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.file.metadata.ChunkMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.file.metadata.statistics.DoubleStatistics; |
| import org.apache.iotdb.tsfile.fileSystem.FSFactoryProducer; |
| import org.apache.iotdb.tsfile.read.TsFileSequenceReader; |
| import org.apache.iotdb.tsfile.read.common.Chunk; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.write.TsFileWriter; |
| import org.apache.iotdb.tsfile.write.record.TSRecord; |
| import org.apache.iotdb.tsfile.write.record.datapoint.DataPoint; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.apache.iotdb.commons.conf.IoTDBConstant.PATH_SEPARATOR; |
| |
| public class ChunkCacheTest { |
| File tempSGDir; |
| static final String TEST_SG = "root.sg1"; |
| |
| int seqFileNum = 2; |
| int unseqFileNum = 2; |
| int measurementNum = 2; |
| int deviceNum = 2; |
| long ptNum = 100; |
| long flushInterval = 20; |
| |
| String[] deviceIds; |
| MeasurementSchema[] measurementSchemas; |
| |
| List<TsFileResource> seqResources = new ArrayList<>(); |
| List<TsFileResource> unseqResources = new ArrayList<>(); |
| |
| ChunkCache chunkCache = ChunkCache.getInstance(); |
| |
| @Before |
| public void setUp() throws IOException, WriteProcessException, MetadataException { |
| tempSGDir = new File(TestConstant.OUTPUT_DATA_DIR); |
| if (!tempSGDir.exists()) { |
| Assert.assertTrue(tempSGDir.mkdirs()); |
| } |
| prepareSeries(); |
| prepareFiles(seqFileNum, unseqFileNum); |
| } |
| |
| @After |
| public void tearDown() throws IOException, StorageEngineException { |
| removeFiles(); |
| seqResources.clear(); |
| unseqResources.clear(); |
| chunkCache.clear(); |
| TimeSeriesMetadataCache.getInstance().clear(); |
| BloomFilterCache.getInstance().clear(); |
| EnvironmentUtils.cleanAllDir(); |
| } |
| |
| @Test |
| public void testChunkCache() throws IOException { |
| TsFileResource tsFileResource = seqResources.get(0); |
| try (TsFileSequenceReader reader = new TsFileSequenceReader(tsFileResource.getTsFilePath())) { |
| List<Path> paths = reader.getAllPaths(); |
| |
| ChunkMetadata firstChunkMetadata = reader.getChunkMetadataList(paths.get(0)).get(0); |
| |
| // add cache |
| Chunk chunk1 = |
| chunkCache.get( |
| new ChunkCache.ChunkCacheKey( |
| tsFileResource.getTsFilePath(), |
| tsFileResource.getTsFileID(), |
| firstChunkMetadata.getOffsetOfChunkHeader(), |
| true), |
| firstChunkMetadata.getDeleteIntervalList(), |
| firstChunkMetadata.getStatistics(), |
| false); |
| |
| ChunkMetadata chunkMetadataKey = |
| new ChunkMetadata("sensor0", TSDataType.DOUBLE, 25, new DoubleStatistics()); |
| chunkMetadataKey.setVersion(0); |
| |
| // get cache |
| Chunk chunk2 = |
| chunkCache.get( |
| new ChunkCache.ChunkCacheKey( |
| tsFileResource.getTsFilePath(), |
| tsFileResource.getTsFileID(), |
| chunkMetadataKey.getOffsetOfChunkHeader(), |
| true), |
| chunkMetadataKey.getDeleteIntervalList(), |
| chunkMetadataKey.getStatistics(), |
| false); |
| Assert.assertEquals(chunk1.getHeader(), chunk2.getHeader()); |
| Assert.assertEquals(chunk1.getData(), chunk2.getData()); |
| } |
| } |
| |
| void prepareSeries() throws MetadataException { |
| measurementSchemas = new MeasurementSchema[measurementNum]; |
| for (int i = 0; i < measurementNum; i++) { |
| measurementSchemas[i] = |
| new MeasurementSchema( |
| "sensor" + i, TSDataType.DOUBLE, TSEncoding.PLAIN, CompressionType.UNCOMPRESSED); |
| } |
| deviceIds = new String[deviceNum]; |
| for (int i = 0; i < deviceNum; i++) { |
| deviceIds[i] = TEST_SG + PATH_SEPARATOR + "device" + i; |
| } |
| } |
| |
| void prepareFiles(int seqFileNum, int unseqFileNum) throws IOException, WriteProcessException { |
| for (int i = 0; i < seqFileNum; i++) { |
| File file = new File(TestConstant.getTestTsFilePath("root.sg1", 0, 0, i)); |
| if (!file.getParentFile().exists()) { |
| Assert.assertTrue(file.getParentFile().mkdirs()); |
| } |
| TsFileResource tsFileResource = new TsFileResource(file); |
| tsFileResource.setStatusForTest(TsFileResourceStatus.NORMAL); |
| tsFileResource.updatePlanIndexes(i); |
| seqResources.add(tsFileResource); |
| prepareFile(tsFileResource, i * ptNum, ptNum, 0); |
| } |
| for (int i = 0; i < unseqFileNum; i++) { |
| File file = new File(TestConstant.getTestTsFilePath("root.sg1", 0, 0, i + seqFileNum)); |
| if (!file.getParentFile().exists()) { |
| Assert.assertTrue(file.getParentFile().mkdirs()); |
| } |
| TsFileResource tsFileResource = new TsFileResource(file); |
| tsFileResource.setStatusForTest(TsFileResourceStatus.NORMAL); |
| tsFileResource.updatePlanIndexes(i + seqFileNum); |
| unseqResources.add(tsFileResource); |
| prepareFile(tsFileResource, i * ptNum, ptNum * (i + 1) / unseqFileNum, 10000); |
| } |
| } |
| |
| void prepareFile(TsFileResource tsFileResource, long timeOffset, long ptNum, long valueOffset) |
| throws IOException, WriteProcessException { |
| TsFileWriter fileWriter = new TsFileWriter(tsFileResource.getTsFile()); |
| for (String deviceId : deviceIds) { |
| for (MeasurementSchema measurementSchema : measurementSchemas) { |
| fileWriter.registerTimeseries(new Path(deviceId), measurementSchema); |
| } |
| } |
| for (long i = timeOffset; i < timeOffset + ptNum; i++) { |
| for (int j = 0; j < deviceNum; j++) { |
| TSRecord record = new TSRecord(i, deviceIds[j]); |
| for (int k = 0; k < measurementNum; k++) { |
| record.addTuple( |
| DataPoint.getDataPoint( |
| measurementSchemas[k].getType(), |
| measurementSchemas[k].getMeasurementId(), |
| String.valueOf(i + valueOffset))); |
| } |
| fileWriter.write(record); |
| tsFileResource.updateStartTime(new PlainDeviceID(deviceIds[j]), i); |
| tsFileResource.updateEndTime(new PlainDeviceID(deviceIds[j]), i); |
| } |
| if ((i + 1) % flushInterval == 0) { |
| fileWriter.flushAllChunkGroups(); |
| } |
| } |
| fileWriter.close(); |
| } |
| |
| private void removeFiles() throws IOException { |
| for (TsFileResource tsFileResource : seqResources) { |
| if (tsFileResource.getTsFile().exists()) { |
| tsFileResource.remove(); |
| } |
| } |
| for (TsFileResource tsFileResource : unseqResources) { |
| if (tsFileResource.getTsFile().exists()) { |
| tsFileResource.remove(); |
| } |
| } |
| File[] files = FSFactoryProducer.getFSFactory().listFilesBySuffix("target", ".tsfile"); |
| for (File file : files) { |
| file.delete(); |
| } |
| File[] resourceFiles = |
| FSFactoryProducer.getFSFactory().listFilesBySuffix("target", ".resource"); |
| for (File resourceFile : resourceFiles) { |
| resourceFile.delete(); |
| } |
| FileReaderManager.getInstance().closeAndRemoveAllOpenedReaders(); |
| } |
| } |