| /* |
| * 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.dataregion.compaction.tool; |
| |
| import org.apache.iotdb.tsfile.file.metadata.ChunkMetadata; |
| import org.apache.iotdb.tsfile.utils.Pair; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.NoSuchFileException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Future; |
| |
| public class TimePartitionProcessTask { |
| private final String timePartition; |
| private final Pair<List<String>, List<String>> timePartitionFiles; |
| private long sequenceSpaceCost = 0; |
| private long unsequenceSpaceCost = 0; |
| |
| public TimePartitionProcessTask( |
| String timePartition, Pair<List<String>, List<String>> timePartitionFiles) { |
| this.timePartition = timePartition; |
| this.timePartitionFiles = timePartitionFiles; |
| } |
| |
| public OverlapStatistic processTimePartition(SequenceFileSubTaskThreadExecutor fileTaskExecutor) { |
| long startTime = System.currentTimeMillis(); |
| UnseqSpaceStatistics unseqSpaceStatistics = buildUnseqSpaceStatistics(timePartitionFiles.right); |
| |
| OverlapStatistic partialRet = |
| processSequenceSpaceAsync(fileTaskExecutor, unseqSpaceStatistics, timePartitionFiles.left); |
| OverlapStatisticTool.outputInfolock.lock(); |
| OverlapStatisticTool.processedTimePartitionCount += 1; |
| OverlapStatisticTool.processedSeqFileCount += partialRet.totalSequenceFile; |
| PrintUtil.printOneStatistics(partialRet, timePartition); |
| System.out.printf( |
| "Worker" |
| + Thread.currentThread().getName() |
| + " Time cost: %.2fs, Sequence space cost: %.2fs, Build unsequence space cost: %.2fs.\n", |
| ((double) System.currentTimeMillis() - startTime) / 1000, |
| ((double) sequenceSpaceCost / 1000), |
| ((double) unsequenceSpaceCost / 1000)); |
| |
| OverlapStatisticTool.outputInfolock.unlock(); |
| |
| return partialRet; |
| } |
| |
| private UnseqSpaceStatistics buildUnseqSpaceStatistics(List<String> unseqFiles) { |
| UnseqSpaceStatistics unseqSpaceStatistics = new UnseqSpaceStatistics(); |
| |
| long startTime = System.currentTimeMillis(); |
| for (String unseqFile : unseqFiles) { |
| File f = new File(unseqFile); |
| if (!f.exists()) { |
| continue; |
| } |
| unseqSpaceStatistics.unsequenceFileSize += f.length(); |
| try (TsFileStatisticReader reader = new TsFileStatisticReader(unseqFile)) { |
| List<TsFileStatisticReader.ChunkGroupStatistics> chunkGroupStatisticsList = |
| reader.getChunkGroupStatisticsList(); |
| unseqSpaceStatistics.unsequenceChunkGroupNum += chunkGroupStatisticsList.size(); |
| |
| for (TsFileStatisticReader.ChunkGroupStatistics statistics : chunkGroupStatisticsList) { |
| long deviceStartTime = Long.MAX_VALUE, deviceEndTime = Long.MIN_VALUE; |
| |
| for (ChunkMetadata chunkMetadata : statistics.getChunkMetadataList()) { |
| unseqSpaceStatistics.unsequenceChunkNum += chunkMetadata.getNumOfPoints(); |
| deviceStartTime = Math.min(deviceStartTime, chunkMetadata.getStartTime()); |
| deviceEndTime = Math.max(deviceEndTime, chunkMetadata.getEndTime()); |
| |
| unseqSpaceStatistics.setMinStartTime(deviceStartTime); |
| unseqSpaceStatistics.setMaxEndTime(deviceEndTime); |
| |
| if (chunkMetadata.getStartTime() > chunkMetadata.getEndTime()) { |
| continue; |
| } |
| unseqSpaceStatistics.updateMeasurement( |
| statistics.getDeviceID(), |
| chunkMetadata.getMeasurementUid(), |
| new Interval(chunkMetadata.getStartTime(), chunkMetadata.getEndTime())); |
| } |
| if (deviceStartTime > deviceEndTime) { |
| continue; |
| } |
| unseqSpaceStatistics.updateDevice( |
| statistics.getDeviceID(), new Interval(deviceStartTime, deviceEndTime)); |
| } |
| } catch (IOException e) { |
| if (e instanceof NoSuchFileException) { |
| System.out.println(((NoSuchFileException) e).getFile() + " is not exist"); |
| continue; |
| } |
| e.printStackTrace(); |
| } |
| } |
| unsequenceSpaceCost += (System.currentTimeMillis() - startTime); |
| unseqSpaceStatistics.unsequenceFileNum += unseqFiles.size(); |
| return unseqSpaceStatistics; |
| } |
| |
| public OverlapStatistic processSequenceSpaceAsync( |
| SequenceFileSubTaskThreadExecutor executor, |
| UnseqSpaceStatistics unseqSpaceStatistics, |
| List<String> seqFiles) { |
| long startTime = System.currentTimeMillis(); |
| OverlapStatistic overlapStatistic = new OverlapStatistic(); |
| List<Future<SequenceFileTaskSummary>> futures = new ArrayList<>(); |
| for (String seqFile : seqFiles) { |
| futures.add(executor.submit(new SingleSequenceFileTask(unseqSpaceStatistics, seqFile))); |
| } |
| for (Future<SequenceFileTaskSummary> future : futures) { |
| try { |
| SequenceFileTaskSummary sequenceFileTaskSummary = future.get(); |
| overlapStatistic.mergeSingleSequenceFileTaskResult(sequenceFileTaskSummary); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| overlapStatistic.mergeUnSeqSpaceStatistics(unseqSpaceStatistics); |
| |
| sequenceSpaceCost += (System.currentTimeMillis() - startTime); |
| return overlapStatistic; |
| } |
| } |