On Tue, Sep 21, 2010 at 12:53 AM, Lance Norskog <goks...@gmail.com> wrote:
> If an index file is not completely written to disk, it never become
> available. Lucene has a file describing the current active index segments.
> It writes all new files to the disk, and changes the description file
> (segments.gen) only after that.

Right - but it's segments_<n>
segments.gen is actually optional (IIRC, solr doesn't even replicate
it to slaves).

-Yonik
http://lucenerevolution.org   Lucene/Solr Conference, Boston Oct 7-8

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