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From "Chris Miller" <>
Subject Re: commercial websites powered by Lucene?
Date Tue, 24 Jun 2003 08:05:54 GMT
Hi Nader,

I was wondering if you'd mind me asking you a couple of questions about your

The main thing I'm interested in is how you handle updates to Lucene's
index. I'd imagine you have a fairly high turnover of CVs and jobs, so index
updates must place a reasonable load on the CPU/disk. Do you keep CVs and
jobs in the same index or two different ones? And what is the process you
use to update the index(es) - do you batch-process updates or do you handle
them in real-time as changes are made?

Any insight you can offer would be much appreciated as I'm about to
implement something similar and am a little unsure of the best approach to
take. We need to be able to handle indexing about 60,000 documents/day,
while allowing (many) searches to continue operating alongside.


"Nader S. Henein" <> wrote in message
> We use Lucene , we're basically an on-line
> Recruitment site and up until now we've got around 500 000 CVs and
> documents indexed with results that stump Oracle Intermedia.
> Nader Henein
> Senior Web Dev
> -----Original Message-----
> From: []
> Sent: Wednesday, June 04, 2003 6:09 PM
> To:
> Subject: commercial websites powered by Lucene?
> Hello All,
> I've been trying to find examples of large commercial websites that
> use Lucene to power their search.  Having such examples would
> make Lucene an easy sell to management
> Does anyone know of any good examples?  The bigger the better, and
> the more the better.
> TIA,
> -John
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