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From Marc Dauncey <marc_daun...@yahoo.com>
Subject Re: Indexing - scheduled batch process or server?
Date Tue, 18 Apr 2006 13:38:11 GMT
Thanks for the response, Jeremy.

Quartz seems like a great solution - are you running
it within the app server?

I think the benefits of doing this would be
convenience of messaging the search server to pick up
fresh indexes. Previously I considered a CRON job and
was thinking of making a web services call to achieve
the same thing.

The only thing that concerns me (and this is maybe a
question for the Quartz mailing list rather than this
one) is the spawning of user threads issue. That kind
of thing makes me nervous in an app server context,
but lots of people use Quartz for J2EE scheduling so
it must be fairly stable.

What was your experience of it?

Many thanks

Marc


--- Jeremy Hanna <jeremy_hanna@mac.com> wrote:

> I'm pretty new with this, but with my index for a
> database, I'm using  
> a Quartz scheduler.  Also at the end of the index
> update, I set my  
> singleton of IndexSearcher to null.  That way the
> index searcher will  
> be using the latest information.  That bit as well
> as setting it to  
> null and not closing it I found searching around on
> forums.  The  
> reason given for not closing it is to allow searches
> currently using  
> the index searches to finish using it.
> Anyway, I hope this helps.
> Jeremy
> 
> On Apr 17, 2006, at 2:53 PM, Marc Dauncey wrote:
> 
> > Hi everyone,
> >
> > I'm currently designing a Lucene search system and
> i'm
> > considering the indexing side of things.
> >
> > Just wondered what kind of architecture people
> have
> > adopted for indexing - are CHRON jobs sufficient
> for
> > high volume drip feed indexing or has anyone
> > implemented a more sophisticated solution with web
> > services to index on demand?
> >
> > And has anyone used Quartz to schedule Lucene
> index
> > updates?  Sounds like an interesting product in
> this
> > context.
> >
> > Many thanks
> >
> >
> > Marc Dauncey
> >
> >
> > 	
> > 	
> > 		
> >
>
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