| /* |
| * 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.snapshot; |
| |
| import org.apache.iotdb.commons.utils.FileUtils; |
| import org.apache.iotdb.db.conf.IoTDBDescriptor; |
| import org.apache.iotdb.db.exception.DataRegionException; |
| import org.apache.iotdb.db.exception.DirectoryNotLegalException; |
| import org.apache.iotdb.db.exception.StorageEngineException; |
| import org.apache.iotdb.db.storageengine.dataregion.DataRegion; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResourceStatus; |
| import org.apache.iotdb.db.storageengine.rescon.disk.TierManager; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.utils.TsFileGeneratorUtils; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.apache.iotdb.tsfile.common.constant.TsFileConstant.PATH_SEPARATOR; |
| |
| public class IoTDBSnapshotTest { |
| private String[][] testDataDirs = |
| new String[][] {{"target/data/data1", "target/data/data2", "target/data/data3"}}; |
| private String testSgName = "root.testsg"; |
| |
| @Before |
| public void setUp() throws Exception { |
| EnvironmentUtils.envSetUp(); |
| } |
| |
| @After |
| public void tearDown() throws IOException, StorageEngineException { |
| FileUtils.recursivelyDeleteFolder("target" + File.separator + "data"); |
| EnvironmentUtils.cleanEnv(); |
| FileUtils.recursivelyDeleteFolder("target" + File.separator + "tmp"); |
| } |
| |
| private List<TsFileResource> writeTsFiles() throws IOException, WriteProcessException { |
| List<TsFileResource> resources = new ArrayList<>(); |
| for (int i = 0; i < 100; i++) { |
| String filePath = |
| testDataDirs[0][i % 3] |
| + File.separator |
| + "sequence" |
| + File.separator |
| + testSgName |
| + File.separator |
| + "0" |
| + File.separator |
| + "0" |
| + File.separator |
| + String.format("%d-%d-0-0.tsfile", i + 1, i + 1); |
| File newFile = new File(filePath); |
| Assert.assertTrue(newFile.getParentFile().exists() || newFile.getParentFile().mkdirs()); |
| TsFileGeneratorUtils.generateMixTsFile(filePath, 5, 5, 10, i * 100, (i + 1) * 100, 10, 10); |
| TsFileResource resource = new TsFileResource(new File(filePath)); |
| Assert.assertTrue(new File(filePath).exists()); |
| resources.add(resource); |
| for (int idx = 0; idx < 5; idx++) { |
| resource.updateStartTime(new PlainDeviceID(testSgName + PATH_SEPARATOR + "d" + i), i * 100); |
| resource.updateEndTime( |
| new PlainDeviceID(testSgName + PATH_SEPARATOR + "d" + i), (i + 1) * 100); |
| } |
| resource.updatePlanIndexes(i); |
| resource.setStatusForTest(TsFileResourceStatus.NORMAL); |
| resource.serialize(); |
| } |
| return resources; |
| } |
| |
| @Test |
| public void testCreateSnapshot() |
| throws IOException, WriteProcessException, DataRegionException, DirectoryNotLegalException { |
| String[][] originDataDirs = IoTDBDescriptor.getInstance().getConfig().getTierDataDirs(); |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(testDataDirs); |
| TierManager.getInstance().resetFolders(); |
| try { |
| List<TsFileResource> resources = writeTsFiles(); |
| DataRegion region = new DataRegion(testSgName, "0"); |
| region.getTsFileManager().addAll(resources, true); |
| File snapshotDir = new File("target" + File.separator + "snapshot"); |
| Assert.assertTrue(snapshotDir.exists() || snapshotDir.mkdirs()); |
| try { |
| new SnapshotTaker(region).takeFullSnapshot(snapshotDir.getAbsolutePath(), true); |
| File[] files = |
| snapshotDir.listFiles((dir, name) -> name.equals(SnapshotLogger.SNAPSHOT_LOG_NAME)); |
| Assert.assertEquals(1, files.length); |
| SnapshotLogAnalyzer analyzer = new SnapshotLogAnalyzer(files[0]); |
| Assert.assertTrue(analyzer.isSnapshotComplete()); |
| int cnt = analyzer.getTotalFileCountInSnapshot(); |
| analyzer.close(); |
| Assert.assertEquals(200, cnt); |
| for (TsFileResource resource : resources) { |
| Assert.assertTrue(resource.tryWriteLock()); |
| } |
| } finally { |
| FileUtils.recursivelyDeleteFolder(snapshotDir.getAbsolutePath()); |
| } |
| } finally { |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(originDataDirs); |
| TierManager.getInstance().resetFolders(); |
| } |
| } |
| |
| @Test |
| public void testCreateSnapshotWithUnclosedTsFile() |
| throws IOException, WriteProcessException, DirectoryNotLegalException { |
| String[][] originDataDirs = IoTDBDescriptor.getInstance().getConfig().getTierDataDirs(); |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(testDataDirs); |
| TierManager.getInstance().resetFolders(); |
| try { |
| List<TsFileResource> resources = writeTsFiles(); |
| resources.subList(50, 100).forEach(x -> x.setStatusForTest(TsFileResourceStatus.UNCLOSED)); |
| DataRegion region = new DataRegion(testSgName, "0"); |
| region.setAllowCompaction(false); |
| region.getTsFileManager().addAll(resources, true); |
| File snapshotDir = new File("target" + File.separator + "snapshot"); |
| Assert.assertTrue(snapshotDir.exists() || snapshotDir.mkdirs()); |
| try { |
| new SnapshotTaker(region).takeFullSnapshot(snapshotDir.getAbsolutePath(), true); |
| File[] files = |
| snapshotDir.listFiles((dir, name) -> name.equals(SnapshotLogger.SNAPSHOT_LOG_NAME)); |
| Assert.assertEquals(1, files.length); |
| SnapshotLogAnalyzer analyzer = new SnapshotLogAnalyzer(files[0]); |
| int cnt = 0; |
| Assert.assertTrue(analyzer.isSnapshotComplete()); |
| cnt = analyzer.getTotalFileCountInSnapshot(); |
| analyzer.close(); |
| Assert.assertEquals(100, cnt); |
| for (TsFileResource resource : resources) { |
| Assert.assertTrue(resource.tryWriteLock()); |
| } |
| } finally { |
| FileUtils.recursivelyDeleteFolder(snapshotDir.getAbsolutePath()); |
| } |
| } finally { |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(originDataDirs); |
| TierManager.getInstance().resetFolders(); |
| } |
| } |
| |
| @Test |
| public void testLoadSnapshot() |
| throws IOException, WriteProcessException, DataRegionException, DirectoryNotLegalException { |
| String[][] originDataDirs = IoTDBDescriptor.getInstance().getConfig().getTierDataDirs(); |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(testDataDirs); |
| TierManager.getInstance().resetFolders(); |
| try { |
| List<TsFileResource> resources = writeTsFiles(); |
| DataRegion region = new DataRegion(testSgName, "0"); |
| region.getTsFileManager().addAll(resources, true); |
| File snapshotDir = new File("target" + File.separator + "snapshot"); |
| Assert.assertTrue(snapshotDir.exists() || snapshotDir.mkdirs()); |
| try { |
| Assert.assertTrue( |
| new SnapshotTaker(region).takeFullSnapshot(snapshotDir.getAbsolutePath(), true)); |
| DataRegion dataRegion = |
| new SnapshotLoader(snapshotDir.getAbsolutePath(), testSgName, "0") |
| .loadSnapshotForStateMachine(); |
| Assert.assertNotNull(dataRegion); |
| List<TsFileResource> resource = dataRegion.getTsFileManager().getTsFileList(true); |
| Assert.assertEquals(100, resource.size()); |
| } finally { |
| FileUtils.recursivelyDeleteFolder(snapshotDir.getAbsolutePath()); |
| } |
| } finally { |
| IoTDBDescriptor.getInstance().getConfig().setTierDataDirs(originDataDirs); |
| TierManager.getInstance().resetFolders(); |
| } |
| } |
| |
| @Test |
| public void testGetSnapshotFile() throws IOException { |
| File tsFile = |
| new File( |
| IoTDBDescriptor.getInstance().getConfig().getLocalDataDirs()[0] |
| + File.separator |
| + "sequence" |
| + File.separator |
| + "root.test" |
| + File.separator |
| + "0" |
| + File.separator |
| + "0" |
| + File.separator |
| + "1-1-0-0.tsfile"); |
| DataRegion region = Mockito.mock(DataRegion.class); |
| Mockito.when(region.getDatabaseName()).thenReturn("root.test"); |
| Mockito.when(region.getDataRegionId()).thenReturn("0"); |
| File snapshotFile = |
| new SnapshotTaker(region).getSnapshotFilePathForTsFile(tsFile, "test-snapshotId"); |
| Assert.assertEquals( |
| new File( |
| IoTDBDescriptor.getInstance().getConfig().getLocalDataDirs()[0] |
| + File.separator |
| + "snapshot" |
| + File.separator |
| + "root.test-0" |
| + File.separator |
| + "test-snapshotId" |
| + File.separator |
| + "sequence" |
| + File.separator |
| + "root.test" |
| + File.separator |
| + "0" |
| + File.separator |
| + "0" |
| + File.separator |
| + "1-1-0-0.tsfile") |
| .getAbsolutePath(), |
| snapshotFile.getAbsolutePath()); |
| |
| Assert.assertTrue(snapshotFile.getParentFile().exists()); |
| } |
| } |