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From "Lienhard, Andrew" <>
Subject RE: Make Lucene Index distributable
Date Mon, 18 Aug 2003 15:29:33 GMT
I can think of three options:

1) Single index dir on a shared drive (NFS, etc.) which is mounted on each
app server. 

2) Create copies of the index dir for each machine. Requires regular
updates, etc (not good if search data changes often).

3) Create a web service for search. Each app server makes an HTTP call to a
standalone Lucene app which returns some sort of XML-formatted search

I've taken approaches 1 and 3 (w/ Verity, but it would likely be the same w/
Lucene). 2 is really only good if you have relatively static data. For our
Lucene rollout here, we're going w/ option 1.

Andrew Lienhard
Web Technology Manager
United Media
200 Madison Avenue
New York, NY 10016

-----Original Message-----
From: Uhl V., DP ITS, SCB, FD [] 
Sent: Monday, August 18, 2003 11:05 AM
To: ''
Subject: Make Lucene Index distributable

Hallo All,
We have developed our WebApp with Lucene under Tomcat 4.X and stored index
in file system. Now this Web Application have to move to Bea Weblogic
Cluster. My Problem is to create a distributable Index of Lucene. Have one
ideas or experience how to do this?(How to store Index?)

Thanks for every ideas.

Mit freundlichen Grüßen
Vitali Uhl

Client Server Systeme
Deutsche Post ITSolutions GmbH 
tel. +49 (0) 661 / 921 -245 
fax: +49 (0) 661 / 921 -111
internet: <>  
DP ITSolutions GmbH 
D - 36035 Fulda

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