Web GUI for varnish

2008-12-12 Thread Petter Knudsen
As an early christmas gift, here is a snapshot of the web GUI being 
developed for the 2.1 release: 
http://varnish.projects.linpro.no/wiki/WebGui

It is not 100% finished (saving state and security being the major 
issues and the code needs some cleaning), but I hope people can test and 
play with it and give some input to the final version due in february. 
You MUST read the README file before using it, as it will describe it all.

WARNING: This is, as mentioned, not finished, so don't use it on 
anything critical, as the VCL and parameters might be overwritten 
without warning.

Petter, ready for the holidays

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What to do when the backend sends no caching information?

2008-12-12 Thread Alecs Henry
Hi All,

In testing varnish in different situations, I came accross a backend that
sends no caching information in its responses, no Expires, cache-control or
anything.
Ok, I thought, I'll just set the TTL on that object (namely an html page) in
VCL.
Well, turns out varnish may be setting the ttl all right (I do it in
vcl_fetch, but frankly there really is no way to see if it is set correctly
or not! or is there?) but the page always gets a PASS, never a HIT. Age: is
set to 0 by varnish.

Thanks for all the help!

Alecs
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Backend response

2008-12-12 Thread Alecs Henry
Hi!

Is there a place where I can alter the backend response before it is
inserted into the cache?

Thanks!

Alecs
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Re: Varnishncsa

2008-12-12 Thread Dag-Erling Smørgrav
Alecs Henry alecshe...@gmail.com writes:
 What about cookies? Can varnish log cookie values? Or does it fit in
 the same problem as the first message?

Varnish can and does log cookies.  See the varnishlog(1) man page.

DES
-- 
Dag-Erling Smørgrav - d...@des.no
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Re: What to do when the backend sends no caching information?

2008-12-12 Thread Per Buer
Hi,

Alecs Henry wrote:

 Well, turns out varnish may be setting the ttl all right (I do it in
 vcl_fetch, but frankly there really is no way to see if it is set
 correctly or not! or is there?) but the page always gets a PASS, never a
 HIT. Age: is set to 0 by varnish.

The client probably sends a cookie. When varnish sees a cookie it does a
pass. Please see the FAQ on notes on how to deal with this.

Per.

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Re: Varnishncsa

2008-12-12 Thread Alecs Henry
Thanks Dag, I must have missed it!

Alecs

On Fri, Dec 12, 2008 at 7:08 PM, Dag-Erling Smørgrav d...@des.no wrote:

 Alecs Henry alecshe...@gmail.com writes:
  What about cookies? Can varnish log cookie values? Or does it fit in
  the same problem as the first message?

 Varnish can and does log cookies.  See the varnishlog(1) man page.

 DES
 --
 Dag-Erling Smørgrav - d...@des.no

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Re: Backend response

2008-12-12 Thread Alecs Henry
Hi Per,

I'm looking into changing the headers all right! Where do I do that in VCL?
I wanted to try to set some cache control headers before the object was put
into varnish cache.

Does that even make sense?

Thanks!

Alecs

On Fri, Dec 12, 2008 at 7:20 PM, Per Buer pe...@linpro.no wrote:

 Alecs Henry wrote:
  Hi!
 
  Is there a place where I can alter the backend response before it is
  inserted into the cache?

 You can remove, add and alter headers - but there isn't much you can do
 to the content. Except to ESI, process it, I guess.

 Per.

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Re: What to do when the backend sends no caching information?

2008-12-12 Thread Alecs Henry
Hi Per,

I'm actually using the cookies in the cache (using the information provided
on the website -- set req.hash += req.http.cookie;) and it works just fine!
One thing that the backend does is vary on user-agent, not only
content-encoding (I've removed the UA vary on the response, though).

So looking into varnishlog I can see the pass, even after the hash is shown
correctly.

Any pointers?

THanks!

Alecs

On Fri, Dec 12, 2008 at 7:21 PM, Per Buer pe...@linpro.no wrote:

 Hi,

 Alecs Henry wrote:
 
  Well, turns out varnish may be setting the ttl all right (I do it in
  vcl_fetch, but frankly there really is no way to see if it is set
  correctly or not! or is there?) but the page always gets a PASS, never a
  HIT. Age: is set to 0 by varnish.

 The client probably sends a cookie. When varnish sees a cookie it does a
 pass. Please see the FAQ on notes on how to deal with this.

 Per.

 --
 http://linpro.no/ | http://redpill.se/


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