gsingers at apache
Jan 28, 2010, 5:55 AM
Post #2 of 2
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On Jan 28, 2010, at 6:03 AM, kumarlimbu wrote:
>
> Hi Everyone,
>
> We are currently using Lucene 1.9. We want to upgrade our application from
> 1.9 to 2.9. The reasons for upgrade is we want to get better performance.
>
> What we are unsure of is whether a Lucene index created using version 1.9
> will be compatible with a new application built using lucene 2.9? Are they
> compatible or we are required to recreate the index again with the newer
> version of Lucene.
I doubt anyone has tried this, so your best bet will be to test it. It is probably more likely to be successful if you can go from 1.9->2.0 ->2.9, but even that isn't a guarantee depending on some of the back compatibility breaks that have occurred.
How hard would it be to simply re-index?
>
> Thanks in advance.
> --
> View this message in context: http://old.nabble.com/Lucene-index-compatibility-tp27354221p27354221.html
> Sent from the Lucene - General mailing list archive at Nabble.com.
>
--------------------------
Grant Ingersoll
http://www.lucidimagination.com/
Search the Lucene ecosystem using Solr/Lucene: http://www.lucidimagination.com/search
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