The ancestor table is used to determine what caches need to be flushed when
any given object is changed.

I know that Mat did a lot of fixes to the way the table is used for
basically the reason you're describing - uncached webskins were being added
unnecessarily. Are you using 5.0 or 5.1? If this is a bug I'll pass it on to
Matt.

Blair

On Wed, Mar 18, 2009 at 4:39 PM, Tomek Kott <[email protected]> wrote:

>
> Hi FC,
>
> I either have a bug with dmWebskinAncestor or more likely don't
> understand how it should work. In either case, my displayPageStandard
> for dmHTML looks like the following:
>
> <!--- Not Cached --->
> <skin:view typename="dmHTML" template="checkHTTPS" https="0">
>
> <!--- Cached --->
> <skin:view objectid="#stobj.objectid#" typename="#stobj.typename#"
> template="displayHeaderStandard" />
>
> <!--- Not Cached --->
> <skin:view webskin="displayLoggedInHeader" typename="dmHTML" />
>
> <!--- Cached --->
> <skin:view objectid="#stobj.objectid#" typename="#stobj.typename#"
> template="displayCachedPageStandard" />
>
> <!--- Cached --->
> <skin:view objectid="#stobj.objectid#" typename="#stobj.typename#"
> template="displayFooterStandard" footerIndent="0" />
>
>
> Basically, three views are cached, two are not, according to the cfc
> for dmHTML. Now, looking at my dmWebskinAncestor, it is growing fast,
> because it appears to be loading into the table every call to the
> checkHTTPS skin. Interestingly enough, the displayLoggedInHeader,
> which is also not cached, is not being called into dmWebskinAncestor.
> Any reason for this to happen? Luckily, this site does not have major
> traffic, but it nonetheless fills up the dmWebskinAncestor table
> quickly.
>
> I guess my question is two fold:
>
> 1) Is it ok to truncate the table upon restarting the application,
> with the idea that the application then loads everything again.
> 2) What exactly does the table do? Is it a check for the cache to see
> what files it needs to load up next?
>
> Any help in this regard is appreciated,
>
> Tomek
>
> >
>

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