Thanks a lot for sharing this :) I'll try to follow your guidelines Regards
---------- Forwarded message ---------- From: <[EMAIL PROTECTED]> Date: Wed, Mar 19, 2008 at 12:16 PM Subject: Re: Lucene on a cluster environment To: java-user@lucene.apache.org We went through this a couple of years ago. I couldn't find the thread in the archive but the jist of it is as follows: 1. We have a singleton thread that does all of the writing. new Documents and deletions are queued to the writer via a database table. 2. Since searchers are "point in time" you can user the same searcher in each cluster member ( this limits the amount of open files), but you need to refresh the searcher when the index changes. We use a SearcherHolder and a single SearcherManager class to manage this. Events are sent by the writer and received by the searcher holder when the index changes. 3. Finally, older versions (1.4 and earlier) of Lucene had problems with having the index on a shared directory. I think most of these issues have been resolved. Good Luck. "Vinicius Carvalho" <[EMAIL PROTECTED]> 03/19/2008 09:17 AM Please respond to java-user@lucene.apache.org To java-user@lucene.apache.org cc Subject Lucene on a cluster environment Hello there! I have just started with lucene. Bought the Lucene in action book [right now I'm at chap 4, plus the 10th chapter, great explanation by Terence from jGuru, really nice stuff], also I'm reading most that I can at the wiki :) Still a bit lost with some stuff, mostly with clusters :) Our app is running in a cluster environment, now we are going to add search support for it, and lucene was the choice for it. Since I have many SLSB spread across the cluster, I would like to know some blueprints to use lucene in these situation. Our first idea, was to store the IndexWriter as an MBean inside Jboss and use it as an HA-Singleton, which would guarantee its uniqueness inside the cluster. I just would like to get some feedback from you guys on it :) Best regards -- "In a world without fences and walls, who needs Gates and Windows?" -- "In a world without fences and walls, who needs Gates and Windows?"