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From Dmitry Serebrennikov <dmit...@earthlink.net>
Subject Re: stored field compression
Date Fri, 14 May 2004 17:57:52 GMT
Doug Cutting wrote:

> Doug Cutting wrote:
>
>> A more elaborate approach would be to lazily decompress fields when 
>> values are accessed.
>
>
> Another big advantage of this approach (as reminded by Peter 
> Cipollone) is that it will make indexing faster, as decompression will 
> be avoided when merging.
>
> Doug
>
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>
A different approach would be to just allow binary data in fields. That 
way applications can compress and decompress as they see fit, plus they 
would be able to store numerical and other data more efficiently.

Of course, this would then be a per-value compression and probably not 
as effective as a whole index compression that could be done with the 
other approaches. Doug, what compression algorithm did you have in mind 
for the actual compression?

Dmitry.



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