/**
* 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.mapreduce.v2.hs.webapp;
import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.TASK_TYPE;
import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
import org.apache.hadoop.mapreduce.v2.app.job.Task;
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
import org.apache.hadoop.mapreduce.v2.app.webapp.App;
import org.apache.hadoop.mapreduce.v2.app.webapp.dao.ReduceTaskAttemptInfo;
import org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskAttemptInfo;
import org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskInfo;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TFOOT;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.THEAD;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TR;
import org.apache.hadoop.yarn.webapp.hamlet.HamletSpec.InputType;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import com.google.inject.Inject;
/**
* Render the a table of tasks for a given type.
*/
public class HsTasksBlock extends HtmlBlock {
final App app;
@Inject HsTasksBlock(App app) {
this.app = app;
}
/*
* (non-Javadoc)
* @see org.apache.hadoop.yarn.webapp.view.HtmlBlock#render(org.apache.hadoop.yarn.webapp.view.HtmlBlock.Block)
*/
@Override protected void render(Block html) {
if (app.getJob() == null) {
html.
h2($(TITLE));
return;
}
TaskType type = null;
String symbol = $(TASK_TYPE);
if (!symbol.isEmpty()) {
type = MRApps.taskType(symbol);
}
THEAD<TABLE<Hamlet>> thead = html.table("#tasks").thead();
//Create the spanning row
int attemptColSpan = type == TaskType.REDUCE ? 8 : 3;
thead.tr().
th().$colspan(5).$class("ui-state-default")._("Task")._().
th().$colspan(attemptColSpan).$class("ui-state-default").
_("Successful Attempt")._().
_();
TR<THEAD<TABLE<Hamlet>>> theadRow = thead.
tr().
th("Name").
th("State").
th("Start Time").
th("Finish Time").
th("Elapsed Time").
th("Start Time"); //Attempt
if(type == TaskType.REDUCE) {
theadRow.th("Shuffle Finish Time"); //Attempt
theadRow.th("Merge Finish Time"); //Attempt
}
theadRow.th("Finish Time"); //Attempt
if(type == TaskType.REDUCE) {
theadRow.th("Elapsed Time Shuffle"); //Attempt
theadRow.th("Elapsed Time Merge"); //Attempt
theadRow.th("Elapsed Time Reduce"); //Attempt
}
theadRow.th("Elapsed Time"); //Attempt
TBODY<TABLE<Hamlet>> tbody = theadRow._()._().tbody();
// Write all the data into a JavaScript array of arrays for JQuery
// DataTables to display
StringBuilder tasksTableData = new StringBuilder("[\n");
for (Task task : app.getJob().getTasks().values()) {
if (type != null && task.getType() != type) {
continue;
}
TaskInfo info = new TaskInfo(task);
String tid = info.getId();
long startTime = info.getStartTime();
long finishTime = info.getFinishTime();
long elapsed = info.getElapsedTime();
long attemptStartTime = -1;
long shuffleFinishTime = -1;
long sortFinishTime = -1;
long attemptFinishTime = -1;
long elapsedShuffleTime = -1;
long elapsedSortTime = -1;;
long elapsedReduceTime = -1;
long attemptElapsed = -1;
TaskAttempt successful = info.getSuccessful();
if(successful != null) {
TaskAttemptInfo ta;
if(type == TaskType.REDUCE) {
ReduceTaskAttemptInfo rta = new ReduceTaskAttemptInfo(successful, type);
shuffleFinishTime = rta.getShuffleFinishTime();
sortFinishTime = rta.getMergeFinishTime();
elapsedShuffleTime = rta.getElapsedShuffleTime();
elapsedSortTime = rta.getElapsedMergeTime();
elapsedReduceTime = rta.getElapsedReduceTime();
ta = rta;
} else {
ta = new TaskAttemptInfo(successful, type, false);
}
attemptStartTime = ta.getStartTime();
attemptFinishTime = ta.getFinishTime();
attemptElapsed = ta.getElapsedTime();
}
tasksTableData.append("[\"")
.append("<a href='" + url("task", tid)).append("'>")
.append(tid).append("</a>\",\"")
.append(info.getState()).append("\",\"")
.append(startTime).append("\",\"")
.append(finishTime).append("\",\"")
.append(elapsed).append("\",\"")
.append(attemptStartTime).append("\",\"");
if(type == TaskType.REDUCE) {
tasksTableData.append(shuffleFinishTime).append("\",\"")
.append(sortFinishTime).append("\",\"");
}
tasksTableData.append(attemptFinishTime).append("\",\"");
if(type == TaskType.REDUCE) {
tasksTableData.append(elapsedShuffleTime).append("\",\"")
.append(elapsedSortTime).append("\",\"")
.append(elapsedReduceTime).append("\",\"");
}
tasksTableData.append(attemptElapsed).append("\"],\n");
}
//Remove the last comma and close off the array of arrays
if(tasksTableData.charAt(tasksTableData.length() - 2) == ',') {
tasksTableData.delete(tasksTableData.length()-2, tasksTableData.length()-1);
}
tasksTableData.append("]");
html.script().$type("text/javascript").
_("var tasksTableData=" + tasksTableData)._();
TR<TFOOT<TABLE<Hamlet>>> footRow = tbody._().tfoot().tr();
footRow.th().input("search_init").$type(InputType.text).$name("task")
.$value("ID")._()._().th().input("search_init").$type(InputType.text)
.$name("state").$value("State")._()._().th().input("search_init")
.$type(InputType.text).$name("start_time").$value("Start Time")._()._()
.th().input("search_init").$type(InputType.text).$name("finish_time")
.$value("Finish Time")._()._().th().input("search_init")
.$type(InputType.text).$name("elapsed_time").$value("Elapsed Time")._()
._().th().input("search_init").$type(InputType.text)
.$name("attempt_start_time").$value("Start Time")._()._();
if(type == TaskType.REDUCE) {
footRow.th().input("search_init").$type(InputType.text)
.$name("shuffle_time").$value("Shuffle Time")._()._();
footRow.th().input("search_init").$type(InputType.text)
.$name("merge_time").$value("Merge Time")._()._();
}
footRow.th().input("search_init").$type(InputType.text)
.$name("attempt_finish").$value("Finish Time")._()._();
if(type == TaskType.REDUCE) {
footRow.th().input("search_init").$type(InputType.text)
.$name("elapsed_shuffle_time").$value("Elapsed Shuffle Time")._()._();
footRow.th().input("search_init").$type(InputType.text)
.$name("elapsed_merge_time").$value("Elapsed Merge Time")._()._();
footRow.th().input("search_init").$type(InputType.text)
.$name("elapsed_reduce_time").$value("Elapsed Reduce Time")._()._();
}
footRow.th().input("search_init").$type(InputType.text)
.$name("attempt_elapsed").$value("Elapsed Time")._()._();
footRow._()._()._();
}
}