| /* |
| * 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.carbondata.core.stats; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.carbondata.common.logging.LogServiceFactory; |
| import org.apache.carbondata.common.logging.impl.StatisticLevel; |
| |
| import org.apache.log4j.Logger; |
| |
| /** |
| * Class will be used to record and log the query statistics |
| */ |
| public class QueryStatisticsRecorderImpl implements QueryStatisticsRecorder, Serializable { |
| |
| private static final Logger LOGGER = |
| LogServiceFactory.getLogService(QueryStatisticsRecorderImpl.class.getName()); |
| |
| /** |
| * serialization version |
| */ |
| private static final long serialVersionUID = -5719752001674467864L; |
| |
| /** |
| * list for statistics to record time taken |
| * by each phase of the query for example aggregation |
| * scanning,block loading time etc. |
| */ |
| private List<QueryStatistic> queryStatistics; |
| |
| /** |
| * query id with task |
| */ |
| private String queryId; |
| |
| public QueryStatisticsRecorderImpl(String queryId) { |
| queryStatistics = new ArrayList<QueryStatistic>(); |
| this.queryId = queryId; |
| } |
| |
| /** |
| * Below method will be used to add the statistics |
| * |
| * @param statistic |
| */ |
| public synchronized void recordStatistics(QueryStatistic statistic) { |
| queryStatistics.add(statistic); |
| } |
| |
| /** |
| * Below method will be used to log the statistic |
| */ |
| public void logStatistics() { |
| for (QueryStatistic statistic : queryStatistics) { |
| LOGGER.log(StatisticLevel.STATISTIC, statistic.getStatistics(queryId)); |
| } |
| } |
| |
| /** |
| * Below method will be used to show statistic log as table |
| */ |
| public void logStatisticsForTask(TaskStatistics result) { |
| if (null != result) { |
| LOGGER.log(StatisticLevel.STATISTIC, |
| "Print query statistic for each task id:" + "\n" + result.toString()); |
| } |
| } |
| |
| public TaskStatistics statisticsForTask(long taskId, long startTime) { |
| try { |
| return new TaskStatistics(queryId, taskId).build(startTime, queryStatistics); |
| } catch (Exception ex) { |
| LOGGER.error(ex); |
| return null; |
| } |
| } |
| |
| public void recordStatisticsForDriver(QueryStatistic statistic, String queryId) { |
| |
| } |
| |
| public void logStatisticsAsTableDriver() { |
| |
| } |
| |
| } |