Django with nginx - Waitingtime is more How to reduce

Am using Django 1.7, nginx

My Django view page having dictionary to render to html.

    Content = { ......}
    r = render_to_response('tr/my-content.html',Content, context_instance=RequestContext(request)) ; t2 = datetime.now() ; print "Elapsed: %.3f" % (t2-t1).total_seconds() ;
    print (len(r.content))    
    return r

While calling this view it prints

Elapsed: 1.993

23254

So it take's 2 sec to render a dict to my template . But the page was loading after 15seconds only. So where is the problem how could I rectify that.


Sample template.

    {% extends "base.html" %}
    {% load staticfiles %}
    {% load thumbnail %}

    {% block title %}<title> My title</title>{% endblock title %}

    {% block extra-css %}
    <link href="{% static "css/jquery.mCustomScrollbar.css" %}" rel="stylesheet">
    <link href="{% static "css/tooltipster.css" %}" rel="stylesheet">
    {% endblock extra-css %}

    {% block content %}
        <div id="{{ mainClass }}" class="main-container">
        <!-- Header Starts Here -->
         {% include "pages/header-sub.html" %}
            <!-- Header ends Here -->
            <!-- Album View -->
            <!-- Main cintent area begin -->
            <section class="d-mobile">
            {% if trac %}
                <ul class="a-contents">
                    {{ trac | safe}}
                </ul>
            {% else %}
            <div class="container text-center ">
                <p>Your content section is empty. Please use the "upload file" button at the bottom to begin adding tracks.</p>
            </div>
            {% endif %}
            </section>
       </div>
              .........
              .........
    {% endblock content %}

In my view file , Am rendering the dict to

<!-- language: lang-python -->

Sample Dict:

    sample = { 'List': u'<li><a href="/dashboard/performance/?store=Play_list">Play_list</a></li><li><a href="/drd/page/?sre=Road">Road</a></li><li><a href="/drd/page/?sre=Sify">Sify</a></li><li><a href="/drd/page/?sre=Youtube">Youtube</a></li>', 'Date' :  u'<li><a href="/dashboard/performance/?store=Play_list">Play_list</a></li><li><a href="/drd/page/?sre=Road">Road</a></li><li><a href="/drd/page/?sre=Sify">Sify</a></li><li><a href="/drd/page/?sre=Youtube">Youtube</a></li>' ..........}

from Inspect element:

Stalled time 4.2 ms

DNS Look UP : 0

Initial Connection : 4.1 ms

Request Sent : 0.02 ms

Waiting(TTFB) : 15.5 s

Content Download: 184 ms




My nginx setup is

  

  user root;
    worker_processes 4;
   
    error_log  /var/log/nginx/error.log warn;
    pid        /var/run/nginx.pid;
   
    events {
        worker_connections  1024;
    }
   
   
    http {
        include       /etc/nginx/mime.types;
        default_type  application/octet-stream;
   
        log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                          '$status $body_bytes_sent "$http_referer" '
                          '"$http_user_agent" "$http_x_forwarded_for"';
   
        access_log  /var/log/nginx/access.log  main;
   
        sendfile        on;
        #tcp_nopush     on;
   
        keepalive_timeout  65;
   
        gzip  on;
        gzip_comp_level 2;
        gzip_proxied any;
        gzip_types    text/plain application/javascript application/x-javascript text/javascript text/xml text/css;
        gzip_vary on;
        server_tokens off;
   
        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;
    }

In the sites-enabled/mysite.com

which has

    upstream test {
            server 127.0.0.1:8000;
            keepalive 500;
    }
   
   
    server {
   
        listen   80;
        server_name www.mysitee.com;
        client_max_body_size 4G;
   
        error_page 502 =200 @maintenance;
   
        location @maintenance {
            root /path/to/static/offline/files;
            try_files $uri /index.html =503;
        }
        location /static/ {
   
           alias  /home/dev/live/staticfiles/;
           expires 30d;
        }
   
        location /media/ {
           alias  /home/dev/live/myproject/myproject/site_media/media/;
           expires 30d;
        }
        location / {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;
            proxy_redirect off;
            if (!-f $request_filename) {
                     proxy_pass http://test;
                     break;
            }
   
        }
    }

Could you please tell how to reduce the waiting time.

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