| /* |
| * 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.wal.buffer; |
| |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.db.conf.IoTDBConfig; |
| import org.apache.iotdb.db.conf.IoTDBDescriptor; |
| import org.apache.iotdb.db.exception.query.QueryProcessException; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNodeId; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.write.InsertRowNode; |
| import org.apache.iotdb.db.storageengine.dataregion.wal.io.WALReader; |
| import org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALFileUtils; |
| import org.apache.iotdb.db.utils.constant.TestConstant; |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| public abstract class WALBufferCommonTest { |
| protected static final IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); |
| protected static final String identifier = String.valueOf(Integer.MAX_VALUE); |
| protected static final String logDirectory = TestConstant.BASE_OUTPUT_PATH.concat("wal-test"); |
| protected static final String devicePath = "root.test_sg.test_d"; |
| protected IWALBuffer walBuffer; |
| |
| @Before |
| public void setUp() throws Exception { |
| walBuffer = new WALBuffer(identifier, logDirectory); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| walBuffer.close(); |
| } |
| |
| @Test |
| public void testConcurrentWrite() throws Exception { |
| // start write threads to write concurrently |
| int threadsNum = 3; |
| ExecutorService executorService = Executors.newFixedThreadPool(threadsNum); |
| List<Future<Void>> futures = new ArrayList<>(); |
| Set<InsertRowNode> expectedInsertRowNodes = ConcurrentHashMap.newKeySet(); |
| for (int i = 0; i < threadsNum; ++i) { |
| int memTableId = i; |
| Callable<Void> writeTask = |
| () -> { |
| try { |
| writeInsertRowNode(memTableId, expectedInsertRowNodes); |
| } catch (IllegalPathException e) { |
| fail(); |
| } |
| return null; |
| }; |
| Future<Void> future = executorService.submit(writeTask); |
| futures.add(future); |
| } |
| // wait until all write tasks are done |
| for (Future<Void> future : futures) { |
| future.get(); |
| } |
| executorService.shutdown(); |
| // wait a moment |
| while (!walBuffer.isAllWALEntriesConsumed()) { |
| Thread.sleep(1_000); |
| } |
| Thread.sleep(1_000); |
| // check .wal files |
| File[] walFiles = WALFileUtils.listAllWALFiles(new File(logDirectory)); |
| Set<InsertRowNode> actualInsertRowNodes = new HashSet<>(); |
| if (walFiles != null) { |
| for (File walFile : walFiles) { |
| try (WALReader walReader = new WALReader(walFile)) { |
| while (walReader.hasNext()) { |
| actualInsertRowNodes.add((InsertRowNode) walReader.next().getValue()); |
| } |
| } |
| } |
| } |
| assertEquals(expectedInsertRowNodes, actualInsertRowNodes); |
| } |
| |
| private void writeInsertRowNode(int memTableId, Set<InsertRowNode> expectedInsertRowNodes) |
| throws IllegalPathException, QueryProcessException { |
| for (int i = 0; i < 100; ++i) { |
| InsertRowNode insertRowNode = getInsertRowNode(devicePath + memTableId, i); |
| expectedInsertRowNodes.add(insertRowNode); |
| |
| WALEntry walEntry = new WALInfoEntry(memTableId, insertRowNode); |
| walBuffer.write(walEntry); |
| } |
| } |
| |
| private InsertRowNode getInsertRowNode(String devicePath, long time) |
| throws IllegalPathException, QueryProcessException { |
| TSDataType[] dataTypes = |
| new TSDataType[] { |
| TSDataType.DOUBLE, |
| TSDataType.FLOAT, |
| TSDataType.INT64, |
| TSDataType.INT32, |
| TSDataType.BOOLEAN, |
| TSDataType.TEXT |
| }; |
| |
| Object[] columns = new Object[6]; |
| columns[0] = 1.0d; |
| columns[1] = 2f; |
| columns[2] = 10000L; |
| columns[3] = 100; |
| columns[4] = false; |
| columns[5] = new Binary("hh" + 0, TSFileConfig.STRING_CHARSET); |
| |
| InsertRowNode node = |
| new InsertRowNode( |
| new PlanNodeId(""), |
| new PartialPath(devicePath), |
| false, |
| new String[] {"s1", "s2", "s3", "s4", "s5", "s6"}, |
| dataTypes, |
| time, |
| columns, |
| false); |
| MeasurementSchema[] schemas = new MeasurementSchema[6]; |
| for (int i = 0; i < 6; i++) { |
| schemas[i] = new MeasurementSchema("s" + (i + 1), dataTypes[i]); |
| } |
| node.setMeasurementSchemas(schemas); |
| return node; |
| } |
| |
| @Test |
| public void testHugeWrite() throws Exception { |
| // use small buffer (only 32 bytes) to simulate huge write request |
| int prevWalBufferSize = config.getWalBufferSize(); |
| config.setWalBufferSize(32); |
| try { |
| testConcurrentWrite(); |
| } finally { |
| config.setWalBufferSize(prevWalBufferSize); |
| } |
| } |
| } |