| // 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.DebugUtil; |
| import org.apache.doris.qe.QueryStatisticsItem; |
| import org.apache.doris.qe.QeProcessorImpl; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Map; |
| |
| /* |
| * show proc "/current_backend_instances"; |
| */ |
| public class CurrentQueryBackendInstanceProcDir implements ProcDirInterface { |
| |
| public static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>() |
| .add("Backend").add("InstanceNum").add("InstanceId").add("ExecTime").build(); |
| |
| @Override |
| public boolean register(String name, ProcNodeInterface node) { |
| return false; |
| } |
| |
| @Override |
| public ProcNodeInterface lookup(String name) throws AnalysisException { |
| throw new AnalysisException(name + " does't exist."); |
| } |
| |
| @Override |
| public ProcResult fetchResult() throws AnalysisException { |
| return constructQueryInstanceInfo(); |
| } |
| |
| private ProcResult constructQueryInstanceInfo() { |
| |
| // statistics of BE instance info |
| final Map<String, QueryStatisticsItem> currentQueryMap = QeProcessorImpl.INSTANCE.getQueryStatistics(); |
| final Map<String, List<RowData>> hostInstances = Maps.newHashMap(); |
| for (QueryStatisticsItem item : currentQueryMap.values()) { |
| for (QueryStatisticsItem.FragmentInstanceInfo info : item.getFragmentInstanceInfos()) { |
| final RowData content = new RowData(); |
| final String address = new StringBuilder(info.getAddress().getHostname()) |
| .append(":") |
| .append(info.getAddress().getPort()) |
| .toString(); |
| content.setHost(address); |
| content.setInstanceId(DebugUtil.printId(info.getInstanceId())); |
| content.setExecTime(item.getQueryExecTime()); |
| final String hostWithPort = info.getAddress().toString(); |
| List<RowData> list = hostInstances.get(hostWithPort); |
| if (list == null) { |
| list = Lists.newArrayList(); |
| hostInstances.put(hostWithPort, list); |
| } |
| list.add(content); |
| } |
| } |
| |
| // sort according to InstanceNum |
| List<List<RowData>> sortedRowDatas = Lists.newArrayList(); |
| sortedRowDatas.addAll(hostInstances.values()); |
| sortedRowDatas.sort(new Comparator<List<RowData>>() { |
| @Override |
| public int compare(List<RowData> l1, List<RowData> l2) { |
| return l1.size() <= l2.size() ? 1 : -1; |
| } |
| }); |
| |
| final BaseProcResult result = new BaseProcResult(); |
| result.setNames(TITLE_NAMES.asList()); |
| for (List<RowData> itemList : sortedRowDatas) { |
| for (RowData item : itemList) { |
| final List<String> rowData = Lists.newArrayList(); |
| rowData.add(item.getHost()); |
| rowData.add(String.valueOf(itemList.size())); |
| rowData.add(item.getInstanceId()); |
| rowData.add(item.getExecTime()); |
| result.addRow(rowData); |
| } |
| |
| } |
| return result; |
| } |
| |
| private static class RowData { |
| private String host; |
| private String backendId; |
| private String instanceId; |
| private String execTime; |
| |
| public String getHost() { |
| return host; |
| } |
| |
| public void setHost(String host) { |
| this.host = host; |
| } |
| |
| public String getBackendId() { |
| return backendId; |
| } |
| |
| public void setBackendId(String backendId) { |
| this.backendId = backendId; |
| } |
| |
| public String getInstanceId() { |
| return instanceId; |
| } |
| |
| public void setInstanceId(String instanceId) { |
| this.instanceId = instanceId; |
| } |
| |
| public String getExecTime() { |
| return execTime; |
| } |
| |
| public void setExecTime(String execTime) { |
| this.execTime = execTime; |
| } |
| } |
| } |