increase hitrate

[Miguel Gonzalez]

Running a curl -I against a txt file,  I get this:
HTTP/1.1 200 OK
Date: Thu, 16 Apr 2015 17:20:02 GMT
Vary: Accept-Encoding,User-Agent
Last-Modified: Thu, 23 Sep 2010 14:56:01 GMT
Cache-Control: max-age=3600, public
Expires: Thu, 16 Apr 2015 18:20:02 GMT
Pragma: public
Content-Type: text/plain
Age: 0
ETag: W/"460f-490ee75dee240-gzip"
x-Cache: uncached
Connection: keep-alive

so it seems they are not getting cached and getting an User-Agent in Vary.

I'm hosting Wordpress sites with the W3 Total cache plugin running and mod_pagespeed activated. Should I disable some of them?
Thanks!
Miguel


      De: Reinis Rozitis <r at roze.lv>
 Para: varnish-misc at varnish-cache.org 
 Enviado: Jueves 16 de abril de 2015 18:04
 Asunto: Re: increase hitrate
   
>  I'm realizing that i can only get a hitrate around 0.6 and the throughput 
> is around 43 request per second.  What am I doing wrong? How can I 
> troubleshoot what's going on?
>
>
> sub vcl_deliver {
>    if (obj.hits > 0) {
>        set resp.http.X-Cache = "cached";
>    } else {
>      set resp.http.x-Cache = "uncached";
>  }


Without going too much into the details, do you get those 43 req/s with the 
cached header?
Eg is Varnish even caching anything or just piping the requests back to your 
backend (since in the configuration there are quite a lot conditions where 
the request is not cached)?

p.s. for testing purposes just to see the varnish raw throughput take a 
static file.



rr 


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