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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Crash / Recovery Scenario
Date Mon, 08 Jul 2002 17:42:52 GMT
Nader,

I don't have a solution for you, but just removing these two files is
probabl not a good idea.  There is a reason for their existence. 
Actually, check jGuru Lucene FAQ for more information about them.

Otis
P.S.
s/witch/which/gi :)
witch = the ugly woman flying around on a broom stick :)

--- "Nader S. Henein" <nsh@bayt.net> wrote:
> 
> I'm currently using Lucene to sift through about a million documents,
> I've
> written a servlet to do the indexing and the searching, the servlets
> are ran
> through resin, The Crash scenario I'm thinking of is a web server
> crash (
> for a million possible reasons ) while the index is being updated or
> optimized, what I've noticed is the creation of write.lock and
> commit.lock
> files witch stop further indexing because the application thinks that
> the
> previously scheduled indexer is still running (witch could very well
> be true
> depending on the size of the update). This is the recovery I have in
> mind
> but I think it might be somewhat of a hack, On restart of the web
> server
> I've written an Init function that checks for write.lock or
> commit.lock ,
> and if either exist it deletes both of them and optimizes the index.
> Am I
> forgetting anything ? is this wrong ? is there a Lucene specific way
> of
> doing this like running the optimizer with a specific setup.
> 
> Nader S. Henein
> Bayt.com , Dubai Internet City
> Tel. +9714 3911900
> Fax. +9714 3911915
> GSM. +9715 05659557
> www.bayt.com
> 
> 
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