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Subject: Re: incrementally indexing
From: Tri Cao <tmcao@me.com>
In-reply-to: 
 <CAN4YXvc1P0w5W2=JnzhCp1UPEBZCptZTWk7t1TzgtD-uuPAW4g@mail.gmail.com>
Date: Thu, 05 Jul 2012 12:30:37 -0700
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References: <5e8c9c302ba5930a1464172b196e83e2.squirrel@correo.usal.es>
 <CAN4YXvc1P0w5W2=JnzhCp1UPEBZCptZTWk7t1TzgtD-uuPAW4g@mail.gmail.com>
To: java-user@lucene.apache.org

If you want to index your hard drive, you'll need to keep a copy
of the current file system's directory/files structure. Otherwise, you
won't be able to remove from your index files that have been deleted.


On Jul 5, 2012, at 12:18 PM, Erick Erickson wrote:

> Hmmm, it's not quite clear what the problem is. But let's
> say you have indexed your hard drive. Somewhere you'll
> have to keep a record of what you've done, say the timestamp
> when you started looking at your hard drive to index it.
> 
> Next time you run, you simply only index files that have changed
> since the last timestamp, assuming you want any changed
> documents on your disk to reflect those changes. That's usually
> what's meant by "incremental indexing", you only add new/changed
> data to your index.
> 
> Hope that helps
> Erick
> 
> On Wed, Jul 4, 2012 at 7:09 AM,  <victormr@usal.es> wrote:
>> Hello,
>> 
>> First ask your pardon for my poor English.
>> 
>> I am making an application in Java using Lucene 3.6 for indexing the hard
>> drive, and I've read that you can index incrementally, but not like
>> putting that option, because every time I indexed the hard disk overwrite
>> the existing index and makes me again, with the consequent expenditure of
>> time in making such indexing.
>> 
>> If someone could help me.
>> 
>> Regards and thanks in advance
>> 
>> 
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> 
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