Using Redis as Django Cache

I am using(trying) redis as a cache to my django app. This is how I am trying to do it.

def postview(request):      post_list = []      if cache.get("posts") == None:             post_list = Post.objects.all()             cache.set("posts", post_list, timeout=None)      else :              post_list = cache.get("posts")      context = {"post_list" : post_list}      return render(request, 'post_list.html', context)    @cache_page(60*15, key_prefix="test_cache")  def new(request):      print("testing")      return HttpResponse("hello, I am mohammed")



This is the output in redis-cli


luvpreet@DHARI-Inspiron-3542:~/test_venv_wrapper/test_redis$ redis-cli  127.0.0.1:6379> select 2 # I have redis db 2 as backend in django settings  OK  127.0.0.1:6379[2]> keys *  1) ":1:views.decorators.cache.cache_page.cache_test.GET.26488770af116d67b33750e5f304aa3e.d41d8cd98f00b204e9800998ecf8427e.en-us.UTC"  2) ":1:views.decorators.cache.cache_header..d314df08d6409ed165873dfa23271c50.en-us.UTC"  3) ":1:posts"  4) ":1:views.decorators.cache.cache_page..GET.d314df08d6409ed165873dfa23271c50.d41d8cd98f00b204e9800998ecf8427e.en-us.UTC"  5) ":1:views.decorators.cache.cache_header..26488770af116d67b33750e5f304aa3e.en-us.UTC"  6) ":1:views.decorators.cache.cache_page..GET.26488770af116d67b33750e5f304aa3e.d41d8cd98f00b204e9800998ecf8427e.en-us.UTC"  7) ":1:views.decorators.cache.cache_header.cache_test.26488770af116d67b33750e5f304aa3e.en-us.UTC"

This is the value under one of the keys,

 

127.0.0.1> get :1:views.decorators.cache.cache_page.cache_test.GET.26488770af116d67b33750e5f304aa3e.d41d8cd98f00b204e9800998ecf8427e.en-us.UTC

"\x80\x02cdjango.http.response\nHttpResponse\nq\x01)\x81q\x02}q\x03(U\x0e_handler_classq\x04NU\b_headersq\x05}q\x06(U\rlast-modifiedU\rLast-ModifiedU\x1dWed, 05 Apr 2017 10:56:58 GMT\x86U\aexpiresU\aExpiresU\x1dWed, 05 Apr 2017 15:06:58 GMT\x86U\x0ccontent-typeU\x0cContent-TypeU\x18text/html; charset=utf-8\x86U\rcache-controlU\rCache-ControlU\rmax-age=15000\x86uU\b_charsetq\aNU\x11_closable_objectsq\b]U\acookiesq\tcdjango.http.cookie\nSimpleCookie\nq\n)\x81q\x0b}q\x0cbU\x06closedq\r\x89U\n_containerq\x0e]q\x0fU\x14Hello, I am Mohammedq\x10aU\x0e_reason_phraseq\x11Nub."

This is some serialized value.

The queryset Post.objects.all() is cached and I have no problem in getting this from cache. But I am failing to understand this @cache_page() decorator.

Why is it making so many keys in the redis database ? Please explain the keys made in the redis database. How can I get to know this is working or not ?

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