Re: [XHR] Open issue: allow setting User-Agent?

On 10/17/12 4:57 AM, Aryeh Gregor wrote:
> In terms of correctness, yes, but that will make them useless as
> caches.  If a moderate number of users with an assortment of browsers
> are using the same caching proxy, it's entirely possible that no two
> of them have the same exact User-Agent string.  Varying on User-Agent
> in a heterogeneous browser environment is going to drop your cache hit
> rate to the point where the cache hurts performance more than it
> helps.

That depends on whether you simply include the U-A request header in 
your cache key, no?

But yes, I can accept the argument that caching proxies are just broken 
and won't change and we need to deal with it.

-Boris

Received on Wednesday, 17 October 2012 16:12:17 UTC