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From Earl Hood <e...@earlhood.com>
Subject Re: any tips for upgrading Lucene 3.0.3 -> 3.5.0?
Date Thu, 19 Jan 2012 23:40:49 GMT
On Thu, Jan 19, 2012 at 4:59 PM, Uwe Schindler <uwe@thetaphi.de> wrote:
> Lucene 3.5 can read any index going back to 2.0. The IndexUpgrader is only
> needed to "forcefully" upgrade indexes for maximum performance and safe
> migration to Lucene 4.0 (that can only read indexs >= 3.0).

Question: Will Lucene 3.5 automatically upgrade an older index when
it is opened?

Just clarifying if actual index data on disk is changed automatically or
if an explicit operations must be done.

Thanks,

--ewh

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