[mapserver-dev] RFC 110: Mapcache HTTP REST Cache backends

[thomas bonfort]

On 18 April 2014 20:09, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:

> Right, that is why I was thinking meta-tiles but even that is a lot. My
> other thought was that these arrays could be stored as files in chunks that
> can be easily indexed from tile id to bit chunk file. this would need to be
> tested to see if there is any real performance benefit for adding the
> complexity of managing it like this. It would seem that doing a GET and then
> forwarding the tile is expensive compared to checking locally and doing
> redirect. Anyway it was just an idea.
It would be more expensive in terms of time, but also in terms of
money, as you end up paying for  1 HEAD from mapcache to s3, then 1
GET + bandwidth from client to S3.

--
thomas

>
> Thanks,
>   -Steve W