Re: JDBCDirectory to prevent optimize()?

2004-11-23 Thread Daniel Naber
On Tuesday 23 November 2004 00:06, Kevin A. Burton wrote:

 I'm wondering about the potential for a generic JDBCDirectory for
 keeping the lucene index within a database.

Such a thing already exists: http://ppinew.mnis.com/jdbcdirectory/, but I 
don't know about its scalability.

Regards
 Daniel

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Re: JDBCDirectory to prevent optimize()?

2004-11-23 Thread Erik Hatcher
Also, there is a DBDirectory in the sandbox to store a Lucene index 
inside Berkeley DB.

Erik
On Nov 22, 2004, at 6:06 PM, Kevin A. Burton wrote:
It seems that when compared to other datastores that Lucene starts to 
fall down.  For example lucene doesn't perform online index 
optimizations so if you add 10 documents you have to run optimize() 
again and this isn't exactly a fast operation.

I'm wondering about the potential for a generic JDBCDirectory for 
keeping the lucene index within a database.
It sounds somewhat unconventional would allow you to perform live 
addDirectory updates without performing an optimize() again.

Has anyone looked at this?  How practical would it be.
Kevin
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Re: JDBCDirectory to prevent optimize()?

2004-11-23 Thread Kevin A. Burton
Erik Hatcher wrote:
Also, there is a DBDirectory in the sandbox to store a Lucene index 
inside Berkeley DB.
I assume this would prevent prefix queries from working...
Kevin
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Re: JDBCDirectory to prevent optimize()?

2004-11-23 Thread Erik Hatcher
On Nov 23, 2004, at 6:02 PM, Kevin A. Burton wrote:
Erik Hatcher wrote:
Also, there is a DBDirectory in the sandbox to store a Lucene index 
inside Berkeley DB.
I assume this would prevent prefix queries from working...
Huh?  Why would you assume that?  As far as I know, and I've tested 
this some, a Lucene index inside Berkeley DB works the same as if it 
had been in RAM or on the filesystem.

Erik
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