webapps.worker.queryplan.jsp Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of tajo-core Show documentation
There is a newer version: 0.11.3
<%
  /*
  * 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.
  */
%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ page import="org.apache.tajo.webapp.StaticHttpServer" %>
<%@ page import="org.apache.tajo.worker.*" %>
<%@ page import="org.apache.tajo.querymaster.Query" %>
<%@ page import="org.apache.tajo.QueryId" %>
<%@ page import="org.apache.tajo.util.TajoIdUtils" %>
<%@ page import="org.apache.tajo.querymaster.QueryMasterTask" %>
<%@ page import="org.apache.tajo.querymaster.Stage" %>
<%@ page import="org.apache.tajo.engine.planner.global.ExecutionBlock" %>
<%@ page import="java.util.*" %>
<%@ page import="org.apache.tajo.ExecutionBlockId" %>
<%@ page import="org.apache.tajo.engine.planner.global.MasterPlan" %>
<%@ page import="org.apache.tajo.engine.planner.global.DataChannel" %>

<%
  QueryId queryId = TajoIdUtils.parseQueryId(request.getParameter("queryId"));

  TajoWorker tajoWorker = (TajoWorker) StaticHttpServer.getInstance().getAttribute("tajo.info.server.object");
  QueryMasterTask queryMasterTask = tajoWorker.getWorkerContext()
          .getQueryMasterManagerService().getQueryMaster().getQueryMasterTask(queryId, true);

  if(queryMasterTask == null) {
    out.write("");
    return;
  }

  Query query = queryMasterTask.getQuery();

  Map stageMap = new HashMap();

  for(Stage eachStage : query.getStages()) {
    stageMap.put(eachStage.getId(), eachStage);
  }

  class StageInfo {
    ExecutionBlock executionBlock;
    Stage stage;
    ExecutionBlockId parentId;
    int px;
    int py;
    int pos; // 0: mid 1: left 2: right
    public StageInfo(ExecutionBlock executionBlock, Stage stage, ExecutionBlockId parentId, int px, int py, int pos) {
      this.executionBlock = executionBlock;
      this.stage = stage;
      this.parentId = parentId;
      this.px = px;
      this.py = py;
      this.pos = pos;
    }
  }
%>




  
  
  
  Tajo
  
  
  


<%@ include file="header.jsp"%>

  Tajo Worker: <%=tajoWorker.getWorkerContext().getWorkerName()%>
  
  
    Distributed Query Execution Plan
    NEW
    ALLOCATED
    INIT
    RUNNING
    SUCCEEDED
    FAILED
  


<%
  MasterPlan masterPlan = query.getPlan();
  String curIdStr = null;
  int x=35, y=1;
  int pos;
  List stageInfos = new ArrayList();

  stageInfos.add(new StageInfo(masterPlan.getRoot(), null, null, x, y, 0));

  while (!stageInfos.isEmpty()) {
    StageInfo eachStageInfo = stageInfos.remove(0);
    curIdStr = eachStageInfo.executionBlock.getId().toString();

    y = eachStageInfo.py + 13;
    if (eachStageInfo.pos == 0) {
      x = eachStageInfo.px;
    } else if (eachStageInfo.pos == 1) {
      x = eachStageInfo.px - 20;
    } else if (eachStageInfo.pos == 2) {
      x = eachStageInfo.px + 20;
    }
%>
  

  
    <%=curIdStr%>
  

<%
    if (eachStageInfo.parentId != null) {
      String outgoing = "";
      String prefix = "";
      for (DataChannel channel : masterPlan.getOutgoingChannels(eachStageInfo.executionBlock.getId())) {
        outgoing += prefix + channel.getShuffleType();
        prefix = "; ";
      }
%>
  
<%
    } //end of if
%>

  

<%
    List children = masterPlan.getChilds(eachStageInfo.executionBlock.getId());

    if (children.size() == 1) {
      pos = 0;
    } else {
      pos = 1;
    }
    for (ExecutionBlock child : children) {
      stageInfos.add(new StageInfo(child, stageMap.get(child.getId()), eachStageInfo.executionBlock.getId(), x, y, pos++));
    }
  } //end of while
%>