ashishkumar50 commented on code in PR #8254: URL: https://github.com/apache/ozone/pull/8254#discussion_r2038784948
########## hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/containerlog/parser/ContainerLogFileParser.java: ########## @@ -0,0 +1,196 @@ +/* + * 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.hadoop.ozone.containerlog.parser; + +import java.io.BufferedReader; +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.sql.SQLException; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +/** + * Container log file Parsing logic. + */ + +public class ContainerLogFileParser { + + private ExecutorService executorService; + private static final int MAX_OBJ_IN_LIST = 5000; + + private static final String FILENAME_PARTS_REGEX = "-"; + private static final String DATANODE_ID_REGEX = "\\."; + private static final String LOG_LINE_SPLIT_REGEX = " \\| "; + private static final String KEY_VALUE_SPLIT_REGEX = "="; + private static final String KEY_ID = "ID"; + private static final String KEY_BCSID = "BCSID"; + private static final String KEY_STATE = "State"; + private static final String KEY_INDEX = "Index"; + + public void processLogEntries(String logDirectoryPath, ContainerDatanodeDatabase dbstore, int threadCount) + throws SQLException { + try (Stream<Path> paths = Files.walk(Paths.get(logDirectoryPath))) { + + List<Path> files = paths.filter(Files::isRegularFile).collect(Collectors.toList()); + + executorService = Executors.newFixedThreadPool(threadCount); + + CountDownLatch latch = new CountDownLatch(files.size()); + for (Path file : files) { + Path fileNamePath = file.getFileName(); + String fileName = (fileNamePath != null) ? fileNamePath.toString() : ""; + String[] parts = fileName.split(FILENAME_PARTS_REGEX); Review Comment: Can you add some description in comment, javadoc. File naming convention it require for the tool. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
