Would this cache invalidation issue be lessened by always running in
multiserver mode?
Jason
Sent from my iPhone
On Apr 8, 2008, at 4:31 PM, Drew Wills <[EMAIL PROTECTED]> wrote:
Can we enhance the ChannelRegistryManager and/or the
RDBMChannelRegistryStore to provide a method that causes them to
drop and recreate the in-memory collection of channel definitions?
It doesn't sound too hard to code, and I doubt it would make a
difference to performance as long as it's invoked only rarely (such
as when a new channel is published).
We would additionally need to have a strategy for handling this
operation properly in multi-server environments. Perhaps if we
"watched" the UP_SEQUENCE table for increments to the "UP_CHANNEL"
sequence, and kicked off the cache rebuild upon detection of a change?
drew wills
Jen Bourey wrote:
Hi Thomas,
I'm curious as to what specifically you're looking for here. How
would you want the portlet to differ from the existing
administrative screen? Is it just a question of the channel
manager being hard to use (I would agree that it is!), or are there
features that you want that are missing from it?
I believe that if you wait a while, new user sessions will
eventually see the updated channel registry. As others have
mentioned, the channel registry is cached for a while, but I don't
think it's cached indefinitely. I think this is a problem you're
likely to have to work around with the channel import files or an
administrative portlet as well.
- Jen
On Tue, Apr 8, 2008 at 8:13 AM, Thomas S. Pangborn <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Andrew,
Thanks for the information. A portlet would most acceptable. Is
there an example of how to setup this portlet? I have compiled and
installed on uPortal 3.0 and find that there are some
configuration/URL's that are needed.
Any documentation on this or quick start?
My real goal here is to generate a channel file using a simplistic
interface in the portlet. The portlet would then populate the
channel file with the dynamic and static content. At that point I
would then use the Cernunnos code to 'create' the channel
specified
by the file. Without having to use the administrative screen.
Somewhat of an ad-hoc channel creation mechanism.
Thanks,
Thomas
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