Re: Urgent: Nesting of OSCache tags

hi,

i'm using oscache with nested tags without problems -
but i use my own tag

.....i agree, it should only be a key issue

<snip CacheTag.java>
.....
  // This allows to have multiple cache tags on a single page without
        // having to specify keys. However, nested cache tags are not
supported.
        // In that case you would have to supply a key.
        String suffix = null;

        if (key == null) {
....
</snip>

-> you have to supply a key or you could build your own cache-tag
or extend the existing....


--__--__--

Message: 1
Date: Sun, 1 Feb 2004 17:14:27 -0600
From: Scott Farquhar <[email protected]>
To: =?iso-8859-1?Q?Bj=F8rn_Wang?= <[email protected]>
Cc: [email protected]
Subject: Re: [Opensymphony-oscache] Urgent: Nesting of OSCache tags

On Sun, Feb 01, 2004 at 12:25:41PM +0100, Bj=F8rn Wang wrote:
> I have some questions regarding nesting og cache tags, which I hope to
> get your opinion on.
> =20
> We're about to go into production with a site that uses nested cache ta=
gs
> for caching of both HTML pages and HTML fragments (partial pages).
> We're dependant on caching HTML-fragments to meet get the required
> performance.
> =20
> We've been testing use of nested tags using OSCache even though the
> FAQ clearly states that this is not supported. All the same, it seems t=
o
> work well. Still, we're reluctant to go into production with nested tag=
s if
> this is an unsupported feature.
> =20
> Question #1:
> What are the consequences of nesting tags in OSCache?

I think that the problems lie with the generation of the keys that are
used for the caches.  I would ensure that you specify a key for each
cache tag that you want to use.

I'm not 100% sure if there are any other considerations - maybe someone
else can help our here.

Cheers,
Scott

> Question #2:
> What would you recommend as a workaround to get nested tags
> working? We're looking into using BEA WebLogics own cache tags for
> the "inner" cache tags (fragment caching), but we're not quite content
> with the performance and quality of this cache. Using OSCache would
> be preferable.
> =20
> Hoping to get some advice. :-)
> =20
> =20
> Best regards,
> Bjorn Wang
> =20



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