thejungwon

<configuration>
  <property>
    <name>yarn.nodemanager.aux-services</name>
    <value>mapreduce_shuffle</value>
  </property>
  <property>
      <name>yarn.nodemanager.aux-services.mapreduce_shuffle.class</name>
      <value>org.apache.hadoop.mapred.ShuffleHandler</value>
  </property>
  <property>

thejungwon

<configuration>
  <property>
    <name>fs.default.name</name>
    <value>hdfs://master:9000</value>
  </property>
</configuration>

thejungwon

<configuration>
  <property>
    <name>dfs.namenode.name.dir</name>
    <value>/usr/local/hadoop/data/nameNode</value>
  </property>
  <property>
    <name>dfs.datanode.data.dir</name>
    <value>/usr/local/hadoop/data/dataNode</value>
  </property>
  <property>

thejungwon

.change-btn{
  position: absolute;
  bottom: 20px;
  font-size: 20px;
  cursor:pointer;
  display: none;
}
.change-btn:hover{
  transition: all 0.5s ease-out;
  text-decoration: underline;

thejungwon

<div class="change-btn">
  Choose a new interest
</div>

thejungwon

function newimage(keyword){
  if(!ACCESS_KEY){
    alert("Please update your access key");
    return;
  }
  var url = `https://api.unsplash.com/search/photos?query=${keyword}&per_page=20&orientation=landscape&client_id=${ACCESS_KEY}`;
  $.get(url,function(data){
    var picture = data.results[0];

    var picture_url = picture.urls.raw;

thejungwon

$('.greeting').html(`Hello <span class="stored-name">${username}</span>.`);
var picture_url = getCookie('picture');
if(!picture_url){
  newimage(interest);
  picture_url = getCookie('picture');
}
$('body').css('background-image',`url(${picture_url})`);

thejungwon

function newimage(keyword){
  if(!ACCESS_KEY){
    alert("Please update your access key");
    return;
  }
  var url = `https://api.unsplash.com/search/photos?query=${keyword}&per_page=20&orientation=landscape&client_id=${ACCESS_KEY}`;
  $.get(url,function(data){
    var picture_url = data.results[0].urls.raw;
    setCookie("picture",picture_url,0.5);
    $('body').css('background-image',`url(${picture_url})`);

thejungwon

$('.interest').keypress(function(e) {
    if(e.which == 13) {
      var interest = e.target.value;
      if(!interest) return;
      newimage(interest);
      if(!getCookie('picture')) return;
      $('.interest').fadeOut(function(){
        $('.greeting').html(`Hello ${username}.`);
        $('.greeting').fadeIn(function(){
          setCookie('interest', interest,365);

thejungwon

var username = getCookie('username');
  //check cookie
  if(username){

    $('.greeting').css('display','inline-block');
    $('.user-name').css('display','none');
    var interest = getCookie('interest');
    if(interest){
      $('.interest').css('display','none');
      $('.interest-text').html(interest);