ashishkumar50 commented on code in PR #8072: URL: https://github.com/apache/ozone/pull/8072#discussion_r2032770152
########## hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/containerlog/parser/ContainerDatanodeDatabase.java: ########## @@ -0,0 +1,231 @@ +/* + * 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.FileNotFoundException; +import java.io.InputStream; +import java.sql.Connection; +import java.sql.DriverManager; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Statement; +import java.util.List; +import java.util.Map; +import java.util.Properties; +import java.util.stream.Collectors; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.sqlite.SQLiteConfig; + + +/** + * Datanode container Database. + */ + +public class ContainerDatanodeDatabase { + + private static Map<String, String> queries; + + static { + loadProperties(); + } + + private static final Logger LOG = + LoggerFactory.getLogger(ContainerDatanodeDatabase.class); + + private static void loadProperties() { + Properties props = new Properties(); + try (InputStream inputStream = ContainerDatanodeDatabase.class.getClassLoader() + .getResourceAsStream(DBConsts.PROPS_FILE)) { + + if (inputStream != null) { + props.load(inputStream); + queries = props.entrySet().stream() + .collect(Collectors.toMap( + e -> e.getKey().toString(), + e -> e.getValue().toString() + )); + } else { + throw new FileNotFoundException("Property file '" + DBConsts.PROPS_FILE + "' not found."); + } + } catch (Exception e) { + LOG.error(e.getMessage()); + } + } + + private static Connection getConnection() throws Exception { + Class.forName(DBConsts.DRIVER); + + SQLiteConfig config = new SQLiteConfig(); + + config.setJournalMode(SQLiteConfig.JournalMode.OFF); + config.setCacheSize(DBConsts.CACHE_SIZE); + config.setLockingMode(SQLiteConfig.LockingMode.EXCLUSIVE); + config.setSynchronous(SQLiteConfig.SynchronousMode.OFF); + config.setTempStore(SQLiteConfig.TempStore.MEMORY); + + return DriverManager.getConnection(DBConsts.CONNECTION_PREFIX + DBConsts.DATABASE_NAME, config.toProperties()); + } + + public void createDatanodeContainerLogTable() throws SQLException { + String createTableSQL = queries.get("CREATE_DATANODE_CONTAINER_LOG_TABLE"); + try (Connection connection = getConnection(); + Statement dropStmt = connection.createStatement(); + Statement createStmt = connection.createStatement()) { + dropTable(DBConsts.DATANODE_CONTAINER_LOG_TABLE_NAME, dropStmt); + createStmt.execute(createTableSQL); + createDatanodeContainerIndex(createStmt); + } catch (SQLException e) { + LOG.error("Error while creating the table: {}", e.getMessage()); + throw e; + } catch (Exception e) { + LOG.error(e.getMessage()); + throw new RuntimeException(e); + } + } + + private void createContainerLogTable() throws SQLException { + String createTableSQL = queries.get("CREATE_CONTAINER_LOG_TABLE"); + try (Connection connection = getConnection(); + Statement dropStmt = connection.createStatement(); + Statement createStmt = connection.createStatement()) { + dropTable(DBConsts.CONTAINER_LOG_TABLE_NAME, dropStmt); + createStmt.execute(createTableSQL); + } catch (SQLException e) { + LOG.error("Error while creating the table: {}", e.getMessage()); + throw e; + } catch (Exception e) { + LOG.error(e.getMessage()); + throw new RuntimeException(e); + } + } + + public void insertContainerDatanodeData(String key, List<DatanodeContainerInfo> transitionList) throws SQLException { + String[] parts = key.split("#"); + if (parts.length != 2) { + System.err.println("Invalid key format: " + key); Review Comment: I think not required, we can print in err and user will know about it. Let tool continue for normal key. Anyway this error should not happen ulless tool code has some issue. -- 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: issues-unsubscr...@ozone.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@ozone.apache.org For additional commands, e-mail: issues-h...@ozone.apache.org
