Re: Date and cache validations

Your wote is alternative 'a' then.

--
Henrik
Andres Kroonmaa wrote:
>  Is there any reason why we'd need to update ondisk object?
>  If no then that would seem needless overhead.
>
>  Why not strip off Date header during store, and always generate it
>  from data in storeEntry? Basically keep track in swap.state.
>  When servicing object, merge ondisk version with latest storeEntry.
>
>  Or did I completely miss the point?
>
> On 1 Jun 2001, at 18:09, Henrik Nordstrom <hno@marasystems.com> wrote:
>
> > Hi fellow Squid hackers.
> >
> > As said earlier the Date header should be updated on cache validations
> > in order to keep freshness controls operating properly, and I need some
> > input on which approach to select
> >
> > a) We could track this somehow in the cache index
> >
> > b) Rewrite the whole object only to get the new Date header in there
> >
> > c) Figure out some way of updating the Date header in the disk object
> > without rewriting the whole object from scratch
> >
> > The code as is today attempts to at least update the in-memory headers,
> > but even this seems to fail.. but regardless the update should be
> > permanent I think..
> >
> > --
> > Henrik
> >
>
> ------------------------------------
>  Andres Kroonmaa <andre@online.ee>
>  CTO, Microlink Online
>  Tel: 6501 731, Fax: 6501 708
>  Pärnu mnt. 158, Tallinn,
>  11317 Estonia