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Maggie Tsai

Cache - 71 views

resolved cache discussion suggestion

started by Maggie Tsai on 11 Apr 07
  • Maggie Tsai
     
    ~ Posted by Catweazel

    John Knight wrote:

    > I LOVE the cache function.
    >
    > However, it would be even better if the cache included the
    > highlight/note.

    Which advantage would that have? I just tested whether comments and
    notes are already included in full-text searches and they actually are.
    So, that can't be the advantage.

    > Also, a couple of pages didn't cache: is there ever a delay? will they
    > be cached eventually? If not, is there a way pages can be 're-cached'?

    Here are two relevant threads:

    Thread "Full Text Search doesn't work":
    http://forum.diigo.com/topic/350#1216

    Core message: There may a delay sometimes but it should be short. In
    most cases, the pages will be cached immediately (this is my
    experience).

    Thread "Can I update cached pages?":
    http://forum.diigo.com/topic/194#630

    Core message: If a page has already been cached, it cannot be re-cached.
    The first version of a cached page will always stay the cached version.
  • Maggie Tsai
     
    ~ Posted by John

    The point of the cache is to preserve pages that might otherwise be
    removed from the web.

    If a page is removed from the web, the cached version and the notes are
    separate entities. One cannot see them together as is normally the case.

    Also, when I'm on a computer that doesn't have diigo installed, I again
    want to be able to access the cached version with the notes overlaid.
    Otherwise, again they are two separate entities.

    So, what happens when a page isn't cached after several hours?
  • Maggie Tsai
     
    ~ Posted by Catweazel

    John Knight wrote:
    > The point of the cache is to preserve pages that might otherwise be
    > removed from the web.
    >
    > If a page is removed from the web, the cached version and the notes are
    > separate entities. One cannot see them together as is normally the case.
    >
    > Also, when I'm on a computer that doesn't have diigo installed, I again
    > want to be able to access the cached version with the notes overlaid.
    > Otherwise, again they are two separate entities.

    OK, now I can see your points.

    > So, what happens when a page isn't cached after several hours?

    Normally, caching shouldn't take that long. But I do not know the answer
    to your question because I am just a Diigo user myself. Unless you have
    put a lot of work into the page by higlighting sections and adding
    comments/notes, you could try to delete that page from your personal
    bookmark collection and add it again. Maybe that helps.
  • Maggie Tsai
     
    John,

    Thanks for your input. Will consider offering that option. Meanwhile, try clicking on the "about" link for each bookmark - you will see lots of related stuff all nicely presented there.

    Caching normally shouldn't take too long, but once in a while our servers get quite busy and some delay may occur. Also, once in a while, certain few pages have somewhat strange behaviors and are not being properly cached - we're looking into that as we're further optimizing our search capability now.
  • jeffreyjflim
     
    maggie_diigo wrote:

    > John,
    >
    > Thanks for your input. Will consider offering that option.
    > Meanwhile, try clicking on the "about" link for each bookmark - you
    > will see lots of related stuff all nicely presented there.

    Just to reiterate (and since this isn't the case yet...) annotations really *should* go with the cached page. Otherwise... what's the point of the cache? Is diigo a *cache*ing service??? or is diigo an annotation service?? neither here... nor there???
  • Graham Perrin
     
    = Reflecting on a July 2007 discussion =

    > annotations really *should* go with the cached page.

    Relating to a single URL: content may change over time, and over a period of months or years I may iteratively add and subtract to my annotations for that URL.

    Should Diigo cumulatively cache the content, and relate it to an annotation, _each_ time an annotation is made?

    If so:

    * how easy does it become for a person to view a cached copy of a page?

    If presented with your thirty or forty cached copies of a page:

    * which ones would you choose to view?

    If in a busy group, a large number of people add annotations, all at different times, to a single URL:

    * how many caches would you imagine, and which caches would you choose to view?

    = Observation of the present =

    Diigo 3 Beta offers, I believe, a reasonable, well-considered balance:

    * one cached copy of the content of a URL

    * extraction of annotations for that URL.

    Beyond that: most browsers offer the ability to save content. For example:

    1. Safari

    2. view a URL

    3. present Diigolet

    4. File menu

    5. Save As…

    6. Web Archve

    The Safari production does include highlights and annotations.

    Problem solved: whenever I wish to save annotations with (not extract annotations from) a URL, I save as a web archive :)
  • Graham Perrin
     
    > annotations really *should* go with the cached page

    Diigo meta views such as http://www.diigo.com/bookmark/http%3A%2F%2Fwww.utechtips.com%2Fround-two-and-version-4-diigo?f=m&tab=comment&uname=grahamperrin seem to serve this purpose.

    From meta you can step to snapshots (user- and robot-contributed copies of the page, on a timeline) — and vice versa — those features plus everything else in Diigo 4.0 beta form a rich toolset in a neatly rounded package.

    Performance in all key areas seems to be excellent, so I'm tagging this topic resolved unless any of the original contributors have anything to add.

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