Partial object caching with varnish

[Jason Price]

Varnish is not designed to work well as a forward proxy.  It's designed to
work as a reverse proxy.

Varnish4 allows for the client to start receiving data before varnish has
received the full response from the backend (which is an important
improvement from varnish3).  Also, multiple requests for the same large
data object can be coalesced into a single backend request, while all
others wait on the first to succeed.  However, this is designed to work
with a defined number of backends, rather than the whole internet (as a
forward proxy would).

-Jason

On Mon, Sep 28, 2015 at 8:56 PM, Eliezer Croitoru <eliezer at ngtech.co.il>
wrote:

> +1 for the question.
>
> Eliezer
>
>
> On 23/07/2015 20:22, Madhava Gaikwad (madgaikw) wrote:
>
>> Hello,
>> I am newbie to varnish. I want to confirm following two things I am
>> trying to accomplish.
>> I understood varnish can do live streaming etc. But can it really just do
>> partial object caching. Say if I send a range request for 10 bytes from a
>> pdf, and setup varnish cache to cache everything, will it be able to do it?
>> What is the VCL config I should look at this.
>>
>> I have a forward proxy which cannot do range request caching. Neither it
>> can do streaming. So I am thinking to put varnish in between client and
>> forward proxy. Forward proxy connects to internet. I know you may come up
>> and laugh at me first on what I am trying to achieve, but is it achievable?
>>
>>
>> Thank you.
>> Madhava
>>
>
>
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