SteveYurongSu commented on code in PR #13085: URL: https://github.com/apache/iotdb/pull/13085#discussion_r1703635664
########## iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/receiver/load/AutoLoadTsFileService.java: ########## @@ -0,0 +1,397 @@ +/* + * 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.pipe.receiver.load; + +import org.apache.iotdb.common.rpc.thrift.TSStatus; +import org.apache.iotdb.commons.concurrent.IoTThreadFactory; +import org.apache.iotdb.commons.concurrent.ThreadName; +import org.apache.iotdb.commons.concurrent.threadpool.WrappedThreadPoolExecutor; +import org.apache.iotdb.commons.exception.StartupException; +import org.apache.iotdb.commons.service.IService; +import org.apache.iotdb.commons.service.ServiceType; +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.pipe.agent.runtime.PipePeriodicalJobExecutor; +import org.apache.iotdb.db.pipe.receiver.protocol.thrift.IoTDBDataNodeReceiver; +import org.apache.iotdb.rpc.TSStatusCode; + +import org.apache.commons.lang3.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.nio.file.StandardCopyOption; +import java.util.HashSet; +import java.util.LinkedHashSet; +import java.util.Objects; +import java.util.Set; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.SynchronousQueue; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; + +public class AutoLoadTsFileService implements IService { + + private static final Logger LOGGER = LoggerFactory.getLogger(AutoLoadTsFileService.class); + + private static final IoTDBDataNodeReceiver receiver = new IoTDBDataNodeReceiver(); + + private static final IoTDBConfig IOTDB_CONFIG = IoTDBDescriptor.getInstance().getConfig(); + + private static String[] LOAD_ACTIVE_LISTENING_DIRS = new String[0]; + private static String LOAD_ACTIVE_LISTENING_FAIL_DIR = ""; + + private static final Long LOAD_ACTIVE_LISTENING_CHECK_INTERVAL_SECONDS = + IOTDB_CONFIG.getLoadActiveListeningCheckIntervalSeconds(); + private static final Integer LOAD_ACTIVE_LISTENING_MAX_THREAD_NUM = + Math.min( + IOTDB_CONFIG.getLoadActiveListeningMaxThreadNum(), + Math.max(1, Runtime.getRuntime().availableProcessors() / 2)); + + // the maximum number of times a thread attempts to retrieve an element + // end the current thread after exceeding the maximum number of times + private static final int RETRY_MAX_NUM = 60; + // max length of waitingLoadTsFileQueue + private static final int QUEUE_MAX_NUM = 200; + // the rest space size of waitingLoadTsFileQueue + private int QUEUE_REST_NUM = QUEUE_MAX_NUM; + + // whether the load tsfile thread enable + private final AtomicBoolean isShutdown = new AtomicBoolean(false); + // whether the tsfileSet and resourceOrModsSet get enough file + private final AtomicBoolean isFileListFull = new AtomicBoolean(false); + + private static final String RESOURCE = ".resource"; + private static final String MODS = ".mods"; + + private static final Set<String> tsfileSet = new HashSet<>(); + private static final Set<String> resourceOrModsSet = new HashSet<>(); + + private static final PipePeriodicalJobExecutor checkTsFilePeriodicalJobExecutor = + new PipePeriodicalJobExecutor(); + private static WrappedThreadPoolExecutor loadTsFileExecutor; + + private static final LinkedHashSet<String> waitingLoadTsFileQueue = + new LinkedHashSet<>(QUEUE_MAX_NUM); + + private static final Lock lock = new ReentrantLock(); + + @Override + public void start() throws StartupException { + registerPeriodicalJob(this::monitoringTsFile); + checkTsFilePeriodicalJobExecutor.start(); + isShutdown.set(false); + } + + @Override + public void stop() { + if (isShutdown.get()) { + return; + } + isShutdown.set(true); + checkTsFilePeriodicalJobExecutor.stop(); + loadTsFileExecutor.shutdown(); + } + + @Override + public ServiceType getID() { + return ServiceType.AUTO_LOAD_TSFILE_SERVICE; + } + + private void registerPeriodicalJob(Runnable periodicalJob) { + checkTsFilePeriodicalJobExecutor.register( + "AutoLoadTsFileService#loadTsFiles", + periodicalJob, + AutoLoadTsFileService.LOAD_ACTIVE_LISTENING_CHECK_INTERVAL_SECONDS); + } + + // initial directory + private void initializeConfiguration() { + try { + LOAD_ACTIVE_LISTENING_DIRS = IOTDB_CONFIG.getLoadActiveListeningDirs(); + LOAD_ACTIVE_LISTENING_FAIL_DIR = IOTDB_CONFIG.getLoadActiveListeningFailDir(); + for (String listenerFileDir : LOAD_ACTIVE_LISTENING_DIRS) { + createDirectoriesIfNotExists(listenerFileDir); + } + createDirectoriesIfNotExists(LOAD_ACTIVE_LISTENING_FAIL_DIR); + } catch (Exception e) { + LOGGER.warn("failed to init file folder because all disks of folders are full.", e); + } + } + + // create a directory that does not exist in the configuration file + private void createDirectoriesIfNotExists(String path) throws StartupException { + File file = new File(path); + boolean isNeeded = (file.exists() && file.isDirectory()) || file.mkdirs(); Review Comment: FileUtils apache io commons -- This is an automated message from the Apache Git Service. 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