Re: [squid-users] Re: Automatic StoreID ?

On 2014-03-14 02:37, Omid Kosari wrote:
> What about a learning mechanism . For example ObjectX is at urlA , urlB
> ,
> urlC . It is no problem if squid downloads ObjectX from all of them for
> ONE
> time but after that it should delete it from cache storage and serve
> all of
> them from one file . And then squid should never download them again
> until
> they changed ( based on mechanisms which currently using to check that
> an
> object should redownload or not )
>
> Also it would be more powerful if squid could learn some relation
> between
> urlA , urlB , urlC and if ObjectY requested from one of them , then
> squid
> GUESS the same behavior .
>
> I know i am dreaming Utopia but discussion is better than silence about
> it .

You just described how Store-ID feature works today.

The map of urlA == urlB == urlC is inside the helper. You can make it a
static list of regex patterns like the original Squid-2 helpers, a DB
text file of patterns like the bundled Squid-3 helper, or anything else
you like inside the helper.
  Squid learns the mappings by asking the helper about each URL. There is
a helper response cache on these lookups same as other helpers and
prevent complex/slow mappings having much impact on hot objects.

Amos
Received on Thu Mar 13 2014 - 20:21:48 MDT