| // 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.doris.common.proc; |
| |
| import org.apache.doris.common.AnalysisException; |
| import org.apache.doris.common.util.QueryStatisticsFormatter; |
| import org.apache.doris.qe.QeProcessorImpl; |
| import org.apache.doris.qe.QueryStatisticsItem; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Map; |
| /* |
| * show proc "/current_queries" |
| */ |
| public class CurrentQueryStatisticsProcDir implements ProcDirInterface { |
| private static final Logger LOG = LogManager.getLogger(CurrentQueryStatisticsProcDir.class); |
| public static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>() |
| .add("QueryId").add("ConnectionId").add("Database").add("User") |
| .add("ScanBytes").add("ProcessRows").add("ExecTime").build(); |
| |
| private static final int EXEC_TIME_INDEX = 6; |
| |
| @Override |
| public boolean register(String name, ProcNodeInterface node) { |
| return false; |
| } |
| |
| @Override |
| public ProcNodeInterface lookup(String name) throws AnalysisException { |
| if (Strings.isNullOrEmpty(name)) { |
| return null; |
| } |
| final Map<String, QueryStatisticsItem> statistic = QeProcessorImpl.INSTANCE.getQueryStatistics(); |
| final QueryStatisticsItem item = statistic.get(name); |
| if (item == null) { |
| throw new AnalysisException(name + " does't exist."); |
| } |
| return new CurrentQuerySqlProcDir(item); |
| } |
| |
| @Override |
| public ProcResult fetchResult() throws AnalysisException { |
| final BaseProcResult result = new BaseProcResult(); |
| final Map<String, QueryStatisticsItem> statistic = |
| QeProcessorImpl.INSTANCE.getQueryStatistics(); |
| result.setNames(TITLE_NAMES.asList()); |
| final List<List<String>> sortedRowData = Lists.newArrayList(); |
| |
| final CurrentQueryInfoProvider provider = new CurrentQueryInfoProvider(); |
| final Map<String, CurrentQueryInfoProvider.QueryStatistics> statisticsMap |
| = provider.getQueryStatistics(statistic.values()); |
| for (QueryStatisticsItem item : statistic.values()) { |
| final List<String> values = Lists.newArrayList(); |
| values.add(item.getQueryId()); |
| values.add(item.getConnId()); |
| values.add(item.getDb()); |
| values.add(item.getUser()); |
| final CurrentQueryInfoProvider.QueryStatistics statistics |
| = statisticsMap.get(item.getQueryId()); |
| values.add(QueryStatisticsFormatter.getScanBytes( |
| statistics.getScanBytes())); |
| values.add(QueryStatisticsFormatter.getRowsReturned( |
| statistics.getRowsReturned())); |
| values.add(item.getQueryExecTime()); |
| sortedRowData.add(values); |
| } |
| // sort according to ExecTime |
| sortedRowData.sort(new Comparator<List<String>>() { |
| @Override |
| public int compare(List<String> l1, List<String> l2) { |
| final int execTime1 = Integer.valueOf(l1.get(EXEC_TIME_INDEX)); |
| final int execTime2 = Integer.valueOf(l2.get(EXEC_TIME_INDEX)); |
| return execTime1 <= execTime2 ? 1 : -1; |
| } |
| }); |
| result.setRows(sortedRowData); |
| return result; |
| } |
| } |